Threaded Cable Ridge Rod Cable Dome and Modular Assembly Ring Truss Structure and Construction Method Thereof

Abstract

A cable-through ridge cable dome and a modular assembly ring truss structure and construction method, wherein the ridge cable dome includes a central tension ring, a support rod, a cable-through ridge rod, a ridge rod node, an oblique cable, and a cable-support node; the modular assembly ring truss includes a ring truss module unit and a splicing portion, and adjacent ring truss module units are connected by the splicing portion. The present invention also provides an integral fully assembled cable-through ridge cable dome and a modular assembly ring truss structure system, wherein the ridge rod node and the oblique cable of the ridge cable dome are connected to the double-hole ear plates of the modular assembly ring truss. The advantages of the present invention are: it is not restricted by asymmetric loads, saves labor and materials, is safe and reliable, is suitable for large-span spatial structure buildings, and can meet the requirements of laying rigid roofs. The structure adopts fully assembled prestressed technology, which realizes modular full-bolt assembly of the ring truss and full ground assembly and overall lifting of the ridge cable dome, avoiding high-altitude operations and erecting full-floor scaffolding. It has good detachable performance and can be rebuilt in a different location, significantly improving construction efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of civil engineering, and in particular relates to an integrally fully assembled cable-through ridge cable dome and a modular assembled ring truss structure system and a construction method thereof. Background Art

[0002] The innovation and application of large-span spatial steel structure systems in major projects are important indicators of a country's level of modernization in the construction industry and its overall national strength. They are often used in public buildings such as large-span stadiums, museums, and exhibition halls. At present, large-span spatial steel structures lack an overall fully assembled system, and suffer from problems such as numerous nodes, multiple welds, difficult construction, and high costs. Traditional cable dome structures are sensitive to asymmetric loads, prone to loosening of ridge cables, and difficult to lay rigid roofs. Their supporting ring trusses are all welded on-site, resulting in environmental pollution, low construction efficiency, poor seismic performance, poor structural disassembly, inability to rebuild off-site, poor reversibility, and unfavorable conditions for the intelligent construction of large-span steel structures. Summary of the Invention

[0003] The present invention aims to provide a fully assembled, cable-through ridge cable dome and modular assembled ring truss structure system and construction method. This approach aims to address existing cable dome structures' sensitivity to asymmetric loads, the tendency of ridge cables to loosen, and the difficulty in laying a rigid roof. It also addresses low construction efficiency, poor seismic performance, poor structural disassembly, the inability to relocate, poor reversibility, and the challenges of intelligently constructing large-span steel structures.

[0004] One of the technical solutions provided by the present invention is: a modular assembly ring truss structure, comprising a ring truss module unit 1 and a splicing portion 2, wherein adjacent ring truss module units 1 are connected via the splicing portion 2; the ring truss module unit 1 comprises a welded main chord 11, a spliced main chord 12, a vertical rod 13, a diagonal web 14, a double-hole ear plate 15, a diagonal web connecting plate 16, a straight flange 17 and a flange stiffener 18, the welded main chord 11 is welded into a broken line shape by connecting two steel pipes end to end, the welded main chord 11 is welded to the end of the spliced main chord 12, and the two ends of the vertical rod 13 are respectively perpendicularly intersected and welded to the adjacent welded main chord 11, or respectively to the adjacent spliced main chords. The main chords 12 intersect vertically and are welded together; the two ends of the diagonal web member 14 are respectively welded to the outer walls of the welded main chord 11 and the vertical member 13, or the two ends of the diagonal web member 14 are respectively welded to the outer walls of the spliced main chord 12 and the vertical member 13; a straight flange 17 is welded to the outer wall at a certain distance from the end of the spliced main chord 12 and is perpendicular to the axis of the spliced main chord 12, bolt holes are provided on the surface of the straight flange 17, and flange stiffening ribs 18 are provided between the straight flange 17 and the outer wall of the main spliced main chord 12; the double-hole ear plate 15 is welded and fixedly connected to the welded main chord 11 and the vertical member 13, and the diagonal web member connecting plate 16 is welded and fixedly connected to the spliced main chord 12 and the vertical member 13;

[0005] The splicing part 2 includes an open-hole sleeve connection assembly 21, a spliced vertical rod 22, a spliced diagonal web rod 23, a connection assembly high-strength bolt 24, a flange high-strength bolt 25, a diagonal web rod high-strength bolt 26 and a vertical rod high-strength bolt 27;

[0006] The perforated sleeve connection assembly 21 includes two perforated semicircular steel pipes 211, a connecting plate 212, a semicircular flange plate 213, and a trapezoidal stiffening rib 214. The perforated semicircular steel pipe 211 has two holes, and its position and size are adapted to the straight flange 17 and the flange stiffening rib 18 on the spliced main chord 12, so as to be sufficient to accommodate the straight flange 17 and the flange stiffening rib 18. The connecting plate 212 is welded to the outer wall of the perforated semicircular steel pipe 211. The angle between adjacent connecting plates 212 is the same as the design angle of each rod. The annular flange plate 213 is welded to the outer edge of the hole of the semicircular steel pipe 211 and is welded to the connecting plate 212. The trapezoidal stiffening rib 214 is welded between the semicircular annular flange 213 and the outer wall of the semicircular steel pipe 211. Bolt holes are provided on the connecting plate 212 and the semicircular annular flange plate 213. The spliced vertical rod 22 includes a round steel pipe 221, a vertical rod cover plate 222, and a vertical rod ear plate 223. The vertical rod cover plate 222 is welded to both ends of the round steel pipe 221. The vertical rod ear plate 223 is vertically welded to the outer side of the vertical rod cover plate 222. The vertical rod ear plate 223 is provided with a hole. Bolt hole; the spliced diagonal web member 23 includes a round steel tube 231, a diagonal web member cover plate 232, and a diagonal web member ear plate 233. The diagonal web member cover plate 232 is welded to both ends of the round steel tube 231, and the diagonal web member ear plate 233 is vertically welded to the outside of the diagonal web member cover plate 232. Bolt holes are opened on the diagonal web member ear plate 233; the two pieces of perforated semicircular steel tubes 211 in the perforated sleeve connection assembly 21 are spliced together and sleeved on the outside of the spliced main chord 12. The straight flange 17 on the spliced main chord 12 passes through the hole on the perforated semicircular steel tube 211 and is connected to the semicircular ring method The flange 213 is in contact with each other; the perforated sleeve connection assembly 21 is connected to the spliced main chord 12 through the straight flange 17 and the semi-circular flange 213 by means of flange high-strength bolts 25; the perforated sleeve connection assembly 21 is connected through the connection assembly high-strength bolts 24; the two ends of the spliced vertical rod 22 are respectively connected to the connecting plate 212 in the adjacent perforated sleeve connection assembly 21 through the vertical rod high-strength bolts 27, and the two ends of the spliced diagonal web member 23 are respectively connected to the connecting plate 212 in the perforated sleeve connection assembly 21 and the diagonal web member connecting plate 16 through the diagonal web member high-strength bolts 26.

[0007] Furthermore, in a modular assembly ring truss structure, the difference between the inner diameter of the two perforated semicircular steel pipes 211 in the perforated sleeve connection assembly 21 and the outer diameter of the spliced main chord 12 is controlled to be 1 to 3 mm.

[0008] The second technical solution provided by the present invention is a cable-through ridge cable dome structure, comprising a central tension ring 3, a strut 4, a cable-through ridge rod 5, a ridge rod node 6, an oblique cable 7, a cable support node 8, a ring cable 9, and a ridge rod high-strength bolt 10; the central tension ring 3 comprises a central strut 31, an upper tension ring 32, a lower tension ring 33, a strip connecting plate 34, a ridge rod connecting rod 35, and an ear plate 36, the upper end of the central strut 31 is welded to the strip connecting plate 34, the strip connecting plates 34 are evenly arranged along the circumferential direction of the central strut 31, the other end of the strip connecting plate 34 is welded to the inner surface of the upper tension ring 32, and the upper surface of the upper tension ring 32 is welded to the strip connecting plate 34 The upper surface is flush, and the vertebral connecting rods 35 are all welded to the outer side of the upper tension ring 32 and are evenly arranged on the outer surface of the upper tension ring; through bolt holes are provided on the vertebral connecting rods 35; the lower end of the central support rod 31 is welded to the strip connecting plate 34, and the strip connecting plate 34 is evenly distributed and fixedly connected to the outer surface of the lower end of the central support rod 31, and the other end of the strip connecting plate 34 is welded to the inner side of the lower tension ring 33, and each ear plate 36 is welded to the outer side of the lower tension ring 33, and each ear plate 36 is evenly distributed and fixedly connected to the outer surface of the lower tension ring 33, and the ear plate corresponds to the position of the 36 vertebral connecting rods 35 and is in the same vertical plane;

[0009] The support rod 4 is composed of two seamless round steel tubes 41, an adjusting sleeve 42, two U-shaped ear plates 43 and two pins 44; the inner surfaces of both ends of the adjusting sleeve 42 are respectively provided with positive and reverse threads, and the outer surfaces of one end of the two round steel tubes 41 are respectively provided with positive and reverse threads, and the two seamless round steel tubes 41 are respectively connected to the adjusting sleeve 42 through corresponding positive and reverse threads; the other end of the round steel tube 41 is welded and fixedly connected with a U-shaped ear plate 43, and the U-shaped ear plate 43 is provided with a pin hole for inserting the pin 44, and the pin 44 is used to connect the U-shaped ear plate 43 with the convex partition 62 in the ridgepole node 6 or the convex ear plate 83 of the cable support node 8; the cable-threading ridgepole 5 comprises a seamless round steel tube 51, an outer sleeve 52, a ridgepole 53 and a ridgepole 54. Cable 53, fixer 54; the outer sleeve 52 is formed by welding a non-porous sleeve 521, a perforated partition 522 and a perforated sleeve 523, wherein the non-porous sleeve 521, the perforated partition 522 and the perforated sleeve 523 are coaxial, and a through bolt hole is opened at the center of the perforated sleeve 523; the ridge cable 53 is coaxially arranged inside the seamless round steel tube 51, and the two ends of the seamless round steel tube 51 are respectively inserted into the non-porous sleeve 521. The two ends of the ridge cable 53 pass through the two perforated partitions 522 and are fixed to the outside of the perforated partition 522 by means of a fixer 54. The fixer 54 is located inside the perforated sleeve 523, and the perforated sleeve 523 is provided with a through hole adapted to the perforated branch pipe 61 in the ridge node 6;

[0010] The ridgepole node 6 includes a plurality of perforated branch pipes 61, a node partition plate 62, a node ear plate 63, and a V-shaped node double ear plate 64; wherein the perforated branch pipe 61 is provided with a through hole adapted to the perforated sleeve 523 in the cable-passing ridgepole 5, the node partition plate 62 is provided with two through holes for connecting to the strut 4, and the node ear plate 63 is provided with a through hole for connecting to the oblique cable 7; each perforated branch pipe 61 is welded to the surface of the node partition plate 62, and the node ear plate 63 is welded perpendicularly to the surface of the node partition plate 62;

[0011] The ridgepole connecting rod 35 in the central tension ring 3 is connected to the cable-through ridgepole 5 by a ridgepole high-strength bolt 10. The connection relationship between the cable-through ridgepole 5 and the ridgepole node 6 is as follows: each perforated branch pipe 61 in the ridgepole node 6 is inserted into the perforated sleeve 523 of the cable-through ridgepole 5, and the bolt holes of the perforated branch pipe 61 are aligned with the bolt holes of the perforated sleeve 523, and the cable-through ridgepole 5 is connected to the ridgepole node 6 by the ridgepole high-strength bolt 10; the oblique cable 7 is connected to the central tension ring 3 by an ear plate 36, the oblique cable 7 is connected to the ridgepole node 6 by a node ear plate 63, the strut 4 is connected to the ridgepole node 6 by a U-shaped ear plate 42 and a pin 43, and the strut 4 is connected to the cable support node 8 by a U-shaped ear plate 42 and a pin 43;

[0012] There are multiple ridge pole nodes 6 and multiple inclined cables 7, all of which are arranged in N circles with the central tension ring 3 as the center. There are multiple cable support nodes 8, which are arranged in N-1 circles with the central tension ring 3 as the center, where N is greater than or equal to 2. One end of each innermost circle inclined cable 7 is connected to an ear plate 36, and the other end of the inclined cable 7 is connected to the node ear plate 63 in the corresponding innermost circle ridge pole node 6. One end of each next circle inclined cable 7 is connected to the node ear plate 63 of the next circle ridge pole node 6, and the other end is connected to the convex ear plate 83 of the previous circle cable support node 8. One end of each Nth circle inclined cable 7 is connected to the node ear plate 63 of the Nth circle ridge pole node 6, and the other end is connected to the convex ear plate 83 of the N-1th circle cable support node 8.

[0013] Furthermore, the gap between the seamless round steel tube 51 and the non-porous sleeve 521 is not greater than 3 mm and not less than 1 mm.

[0014] Furthermore, the gap between the perforated branch pipe 61 and the perforated sleeve 523 is not greater than 3 mm and not less than 1 mm.

[0015] Furthermore, the spine nodes 6 are divided into four types: Y-shaped, X1-shaped, X2-shaped, and V-shaped.

[0016] The Y-shaped ridge node 6 includes three perforated branch pipes 61, one node partition plate 62, and one node ear plate 63. The perforated branch pipes 61 are welded to the two side surfaces of the node partition plate 62, one perforated branch pipe 61 is welded to the inner side surface of the node partition plate 62, two perforated branch pipes 61 are welded to the outer side surface of the node partition plate 62, and the node ear plate 63 is welded to the inner side surface of the node partition plate 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome.

[0017] The X1-shaped ridgepole node 6 includes four perforated branch pipes 61, one node partition plate 62, and one node ear plate 63. The perforated branch pipes 61 are welded to the two side surfaces of the node partition plate 62, two of which are welded to the inner side surface of the node partition plate 62, and two of which are welded to the outer side surface of the node partition plate 62. The node ear plate 63 is welded to the inner side surface of the node partition plate 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome.

[0018] The X2-shaped ridge node 6 includes four perforated branch pipes 61, one node partition plate 62, and one node ear plate 63. The perforated branch pipes 61 are welded to the two side surfaces of the node partition plate 62, two of which are welded to the inner side surface of the node partition plate 62, and two of which are welded to the outer side surface of the node partition plate 62. The node ear plate 63 is welded to the inner side surface of the node partition plate 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome.

[0019] The V-shaped ridge node 6 includes two perforated branch pipes 61, a node partition plate 62, a node ear plate 63, and two V-shaped node double-ear plates 64. The two perforated branch pipes 61 are welded to the inner side of the node partition plate 62, the node ear plate 63 is welded to the inner side of the node partition plate 62, and the two V-shaped node double-ear plates 64 are welded in parallel to the outer side of the node partition plate 62; the welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome.

[0020] Furthermore, the central tension ring 3 includes 24 ridgepole connecting rods 35 and 24 ear plates 36; in the Y-shaped ridgepole node 6, the upper perforated branch pipe 61 is welded to the node partition plate 62 in the horizontal direction at a vertical angle of α1, and the lower branch pipe is welded to the node partition plate 62 in the horizontal direction at an angle of The welding angle between the vertical direction and the node partition is In the X1-shaped ridge node 6, the horizontal welding angle between the upper perforated branch pipe 61 and the node partition 62 is The vertical angle is α2, and the horizontal welding angle between the lower branch pipe and the node partition 62 is The vertical angle is In the X2-shaped ridgepole node 6, the horizontal welding angle between the upper perforated branch pipe 61 and the node partition 62 is The vertical angle is α3, and the horizontal welding angle between the lower branch pipe and the node partition 62 is The vertical angle is In the V-shaped ridge node 6, the horizontal welding angle between each perforated branch pipe 61 and the node partition 62 is The vertical welding angle is α4, and the above-mentioned circumferential equal fraction n is 24.

[0021] Furthermore, the oblique cable 7 includes an oblique cable body 71, two double-ear plate cable heads 72, and two oblique cable pins 73. A double-ear plate cable head 72 is fixedly connected to each end of the oblique cable body 71, and the oblique cable double-ear plate cable heads 72 are respectively connected to the ridge node ear plate 63 and the cable support node convex ear plate 83 through the oblique cable pin 73.

[0022] Furthermore, the cable support node 8 includes an upper cover plate 81, a baffle 82, a convex ear plate 83, two cable support node ear plates 84, four roller pins 85, four rollers 86, a lower cover plate 87, two plywood 88, and six plywood high-strength bolts 89, wherein the baffle 82 is vertically centered and welded to the inner side of the upper cover plate 81, and the outer edge of the baffle 82 is in the same plane as the outer edge of the upper cover plate 81; the convex ear plate 83 is vertically welded to the center of the upper cover plate 81 and the baffle 82, and the convex ear plate 83 is used to connect the oblique cable 7; the cable support node ear plate 84 is welded between the upper cover plate 81 and the convex ear plate 83, and the cable support node ear plate 84 is used to connect the U-shaped ear plate 43 of the support rod 4; the roller pin 85 passes through the upper cover plate 81, the roller 86, and the lower cover plate 87, and the ring cable 9 passes between the rollers 86.

[0023] Furthermore, the ring rope 9 includes a ring rope body 91, a ring rope positive thread joint 92, a ring rope reverse thread joint 93, and a ring rope connecting sleeve 94. The two ends of the ring rope body 91 are fixedly connected to the ring rope positive thread joint 92 and the ring rope reverse thread joint 93 respectively. The two ends of the inner side of the ring rope connecting sleeve 94 are respectively provided with positive and reverse threads, and the ring rope bodies 91 are connected through the ring rope connecting sleeve 94.

[0024] The third technical solution provided by the present invention is: an integral, fully assembled cable-through ridge cable dome and modular assembly ring truss structural system, comprising the cable-through ridge cable dome and the modular assembly ring truss as described above. The Nth circle of ridge nodes 6 in the cable-through ridge cable dome corresponds one-to-one to the upper holes of the double-hole ear plates 15 in the modular assembly ring truss, and are connected with high-strength bolts or pins; the Nth circle of inclined cables 7 in the cable-through ridge cable dome corresponds one-to-one to the lower holes of the double-hole ear plates 15 in the modular assembly ring truss, and are fixedly connected with high-strength bolts or pins.

[0025] The fourth technical solution provided by the present invention is a construction method of an integrally assembled cable-through ridge cable dome and a modular assembled ring truss structure system, comprising the following steps:

[0026] Step 1: Hoist each ring truss module unit 1 to the designed position on the foundation pedestal 01, and fix them one by one on the foundation pedestal 01;

[0027] Step 2: Connect adjacent ring truss module units 1 using the splicing portion 2;

[0028] First, the perforated semicircular steel pipe 211 in the perforated sleeve connection assembly 21 is sleeved on the outer end of the spliced main chord 12 of the adjacent ring truss module unit 1, and the straight flange 17 provided on the spliced main chord 12 passes through the hole on the perforated semicircular steel pipe 211, so that the semicircular ring flange plate 213 of the perforated sleeve connection assembly 21 is in contact with the straight flange 17, and then the semicircular ring flange plate 213 and the straight flange 17 are connected with the flange high-strength bolts 25 and initially tightened, and then the adjacent perforated semicircular steel pipes 211 are connected with the connection assembly high-strength bolts 24 and initially tightened;

[0029] Second, install the spliced vertical rod 22, connect the vertical rod ear plates 221 at both ends of the spliced vertical rod 22 to the corresponding connecting plates 212 of the perforated sleeve connection assembly 21 using vertical rod high-strength bolts 27, and perform initial tightening;

[0030] Third, install the spliced diagonal web members 23. Connect the diagonal web member ear plate 233 at one end of the spliced diagonal web member 23 to the connecting plate 212 of the perforated sleeve connecting assembly 21. Connect the diagonal web member ear plate 233 at the other end of the spliced diagonal web member 23 to the diagonal web member connecting plate 16 using diagonal web member high-strength bolts 26 and perform initial tightening.

[0031] Fourth, tighten the connection assembly high-strength bolts 24, flange high-strength bolts 25, diagonal web high-strength bolts 26, and vertical rod high-strength bolts 27 in sequence. At this point, the modular assembly ring truss 02 is hoisted and assembled;

[0032] Step 3: Set up the jacking frame 04 at the construction site and assemble the cable dome 03 on the ground;

[0033] First, set up a jacking frame 04 in the center of the site and place the central tension ring 3 on the jacking frame 04;

[0034] Second, the innermost ring of the cable-through ridge dome 03, the ridge rod 5, and the ridge rod node 6 are installed in a cross-shaped symmetrical pattern. The ridge rod high-strength bolts 10 are installed and initially tightened. Then, the inclined cables 7, the struts 4, the cable support nodes 8, and the ring cables 9 are installed in sequence. After the above components are installed, the cable support nodes 8 are located on the ground to support the cable dome from losing stability.

[0035] Third, install the next circle of cable-through ridge rods 5 and ridge rod nodes 6 symmetrically in a cross shape. Install and initially tighten the ridge rod high-strength bolts 10. Then, raise the jacking frame 04 until it is just high enough to install the struts 4. Then, symmetrically install the diagonal cables 7, struts 4, cable support nodes 8, and ring cables 9. After the above components are installed, the innermost circle of cable support nodes 8 is suspended in the air, and the next circle of cable support nodes 8 is located on the ground to support the cable dome from losing stability.

[0036] Continue in this manner until the N-1th circle of the above components is installed;

[0037] Fourth, install the Nth circle of cable-threaded ridge pole 5 and ridge pole node 6 in sequence, install and initially tighten the ridge pole high-strength bolts 10, and then install the oblique cable 7, which is connected to the node ear plate 63 of the ridge pole node 6;

[0038] Fifth, the high-strength bolts 10 of each ridge pole are tightened in sequence. At this point, the cable-through ridge pole cable dome 03 is assembled on the ground.

[0039] Step 4: Install a lifting cable 05 in the upper hole of the node ear plate 63 of the Nth circle ridge rod node 6, connect the other end of the lifting cable to the lifting machine, and lift the jacking frame 04 step by step to lift the central tension ring 3 of the cable-through ridge rod cable dome 03. At the same time, the surrounding lifting cables 05 lift the Nth circle ridge rod node 6 of the cable-through ridge rod cable dome 03 until the cable-through ridge rod cable dome 03 is lifted to the height of the double-hole ear plate 15 of the ring truss module unit 1. At this time, the Nth circle ridge rod node 6 of the cable-through ridge rod cable dome 03 is at the same position as the double-hole ear plate 15 of the modular assembly ring truss 02.

[0040] Step 5: Use high-strength bolts or pins to connect the Nth circle ridge node 6 of the cable-through ridge dome 03 and the upper holes of the double-hole ear plate 15 of the modular assembly ring truss 02;

[0041] Step 6: Disconnect the Nth circle of inclined cables 7 from the node lug 63 of the Nth circle of ridge rod nodes 6, tension the Nth circle of inclined cables 7 until the cable-through ridge rod cable dome 03 reaches the design elevation, and connect the Nth circle of inclined cables 7 to the lower hole of the double-hole lug 15;

[0042] Step 7: Remove the lifting cable 05 and the jacking frame 04, and the construction and installation of the entire fully assembled cable-through ridge cable dome and modular assembly ring truss structure system are completed.

[0043] Furthermore, the design elevation is L / 10, where L is the span of the cable-through ridge cable dome structure 03 .

[0044] Furthermore, the prestress applied to the spinal cord 53 is 35% of the spinal cord breaking force.

[0045] The present invention has the following advantages: 1. The present invention provides an integral, fully assembled cable-through ridge cable dome and modular assembly ring truss structure system, which can delay or even prevent the ridge cable from relaxing under asymmetric loads. At this time, the ridge rod continues to bear the load, and the structure has a high bearing capacity and is not restricted by asymmetric loads. It significantly saves materials while having good mechanical properties, is safe and reliable, and can be applied to large-span or even ultra-large-span spatial structure buildings. At the same time, it can meet the needs of laying rigid roofs, significantly improve construction efficiency, save labor costs, and effectively avoid welding connections that pollute the environment, thereby realizing the overall fully assembled connection of the cable-through ridge cable dome and modular assembly ring truss structure at the construction site.

[0046] 2. The present invention provides an integral fully assembled cable-through ridge cable dome and modular assembled ring truss structure system and its construction method. The structure adopts fully assembled prestressed and fully bolted connection technology, which realizes the modular fully bolted assembly of the ring truss and the full ground assembly and overall lifting of the cable-through ridge cable dome, avoiding high-altitude operations and the erection of full-floor scaffolding. It has good disassembly and assembly performance, can realize off-site reconstruction, has good structural reversibility, and realizes green construction; it avoids on-site welding, and the overall seismic performance of the structure is good, which effectively improves the construction progress and is conducive to promoting the intelligent construction of large-span steel structures.

[0047] The present invention will be further described below with reference to the accompanying drawings and examples. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 Schematic diagram of an integral, fully assembled cable-through ridge cable dome and a modular assembled ring truss structure system according to an embodiment of the present invention;

[0049] Figure 2 A schematic side view of an integral, fully assembled cable-through ridge cable dome and a modular assembled ring truss structure system according to an embodiment of the present invention;

[0050] Figure 3 This is a schematic diagram of the modular assembly ring truss structure;

[0051] Figure 4 Exploded view of the ring truss structure for modular assembly;

[0052] Figure 5 Schematic diagram of the ring truss module unit structure;

[0053] Figure 6 It is a structural diagram of the joints of adjacent ring truss module units;

[0054] Figure 7 Schematic diagram of the splicing structure;

[0055] Figure 8 This is an exploded view of the splicing part;

[0056] Figure 9 It is a schematic diagram of the structure of the opening casing connection component;

[0057] Figure 10 An exploded view of the open-hole casing connection assembly;

[0058] Figure 11 It is a structural diagram of splicing vertical rods;

[0059] Figure 12 It is a structural diagram of splicing diagonal braces;

[0060] Figure 13 This is a schematic diagram of the cable-through ridge cable dome structure;

[0061] Figure 14 This is a side view of the cable-through ridge cable dome structure;

[0062] Figure 15 This is the design drawing of the cable-through ridge cable dome structure;

[0063] Figure 16 Schematic diagram of the structure of the central tension ring;

[0064] Figure 17 is a structural diagram of the support rod;

[0065] Figure 18 This is a structural diagram of the cable-through ridge rod;

[0066] Figure 19 This is an exploded view of the cable-threading ridge pole;

[0067] Figure 20 Schematic diagram of the structure connecting the cable-through ridge rod and the Y-shaped ridge rod node;

[0068] Figure 21 This is an exploded view of the connection between the cable-through ridge rod and the Y-shaped ridge rod node;

[0069] Figure 22 This is a schematic diagram of the structure of the connection between the cable-through ridge rod and the X-shaped ridge rod node;

[0070] Figure 23 This is an exploded view of the connection between the cable-through ridge rod and the X-shaped ridge rod node;

[0071] Figure 24a This is a schematic diagram of the structure of the first circle of Y-shaped spine nodes;

[0072] Figure 24b This is a schematic diagram of the structure of the second circle of X-shaped spine nodes;

[0073] Figure 24c This is a schematic diagram of the structure of the third circle of X-shaped spine nodes;

[0074] Figure 24d This is a schematic diagram of the structure of the fourth circle of V-shaped spine nodes;

[0075] Figure 25 Schematic diagram of the inclined cable structure;

[0076] Figure 26 Schematic diagram of the cable support node structure;

[0077] Figure 27 This is the exploded diagram of the cable support node structure;

[0078] Figure 28 Schematic diagram of the ring cable connection structure;

[0079] Figure 29 This is an exploded view of the ring cable connection structure;

[0080] Figure 30 It is a plan diagram of the ring cable connection structure;

[0081] Figure 31a This is a schematic diagram of the installation process for the first module unit;

[0082] Figure 31b Schematic diagram of the installation process for the second module unit;

[0083] Figure 31c This is a schematic diagram of the installation process of the third module unit;

[0084] Figure 31d This is a schematic diagram of the installation process of the fourth module unit;

[0085] Figure 31e This is a schematic diagram of the installation process of the fifth module unit;

[0086] Figure 31f This is a schematic diagram of the installation process of the sixth module unit;

[0087] Figure 31g This is a schematic diagram of the installation process of the seventh module unit;

[0088] Figure 31h This is a schematic diagram of the installation process of the eighth module unit;

[0089] Figure 31i This is a schematic diagram of the splicing installation process;

[0090] Figure 32a This is a structural diagram of the central tension ring placed on the top of the jacking tire frame;

[0091] Figure 32b This is a schematic diagram of the installation process of the first circle of cable-threading ridge pole, ridge pole node, oblique cable, support pole, cable support node, and ring cable;

[0092] Figure 32cThis is a schematic diagram of the installation process of the second circle of cable-threading ridge pole, ridge pole node, oblique cable, support pole, cable support node, and ring cable;

[0093] Figure 32d This is a schematic diagram of the installation process of the third circle of cable-threading ridge pole, ridge pole node, oblique cable, support pole, cable support node, and ring cable;

[0094] Figure 32e This is a schematic diagram of the installation process of the fourth circle of cable-threading ridge poles, ridge pole nodes, and oblique cables;

[0095] Figure 33 This is a schematic diagram of the cable dome placed on the ground before being hoisted;

[0096] Figure 34a This is a schematic diagram of the first stage of overall hoisting of the cable-through ridge cable dome structure;

[0097] Figure 34b This is a schematic diagram of the second stage of overall hoisting of the cable-through ridge cable dome structure;

[0098] Figure 34c This is a schematic diagram of the third stage of overall hoisting of the cable-through ridge cable dome structure;

[0099] Figure 34d This is a schematic diagram of the fourth stage of overall hoisting of the cable-through ridge cable dome structure;

[0100] Figure 34e This is a schematic diagram of the overall lifting completion of the cable-through ridge cable dome structure;

[0101] Figure 35 This is a schematic diagram of the completed installation of the fully assembled cable-through ridge cable dome and modular assembled ring truss structure system.

[0102] Markings in the figure:

[0103] 01. Foundation cap; 02. Modular assembled ring truss structure; 03. Cable-through ridge cable dome structure; 04. Lifting frame; 05. Lifting cable; 1. Ring truss module unit; 11. Welded main chord; 12. Spliced main chord; 13. Vertical bar; 14. Diagonal web member; 15. Double-hole lug plate; 16. Diagonal web member connecting plate; 17. I-shaped flange; 18. Flange stiffener; 2. Splicing section; 21. Opening sleeve connection assembly; 211. Opening semicircular steel pipe; 212. Connecting plate; 213. Semi-circular flange plate; 214. Trapezoidal stiffener; 22. Spliced vertical rod; 221. Seamless round steel pipe; 222. Vertical rod cover plate; 223. Vertical rod ear plate; 23. Spliced diagonal web member; 231. Seamless round steel pipe; 232. Diagonal web member cover plate; 233. Diagonal web member ear plate; 24. High-strength bolts for connecting components; 25. High-strength bolts for flange; 26. High-strength bolts for diagonal web member; 27. High-strength bolts for vertical rod; 3. Center tension ring; 31. Center support rod; 32. Upper tension ring; 33 , lower tension ring; 34, strip connecting plate; 35, ridgepole connecting rod; 36, ear plate; 4, support rod; 41, seamless round steel pipe; 42, adjustment sleeve; 43, U-shaped ear plate; 44, pin; 5, cable-through ridgepole; 51, seamless round steel pipe; 52, outer sleeve; 521, non-hole sleeve; 522, perforated partition; 523, perforated sleeve; 53, ridgepole; 54, fixator; 6, ridgepole node; 61, perforated branch pipe; 62, node partition; 63, node ear plate; 64, V-shaped Node double-ear plate; 7. Oblique cable; 71. Oblique cable body; 72. Double-ear plate cable head; 73. Oblique cable pin; 8. Cable support node; 81. Upper cover plate; 82. Baffle; 83. Convex ear plate; 84. Cable support node ear plate; 85. Roller pin; 86. Roller; 87. Lower cover plate; 88. Clamp; 89. Clamp high-strength bolt; 9. Ring cable; 91. Ring cable body; 92. Ring cable positive thread joint; 93. Ring cable reverse thread joint; 94. Ring cable connecting sleeve; 10. Ridge rod high-strength bolt. DETAILED DESCRIPTION

[0104] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0105] In the description of the present invention, unless otherwise specified, "plurality" means two or more; unless otherwise specified. Terms such as "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," and "tail" indicate positions or relationships based on those shown in the accompanying drawings. These terms are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0106] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical connections; and direct or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0107] Example 1:

[0108] See also Figure 1-Figure 35 The present invention provides the following technical solutions: an integral fully assembled cable-through ridge cable dome and modular assembled ring truss structure system, including a cable-through ridge cable dome 03 and a modular assembled ring truss 02.

[0109] The modular assembly ring truss 02 includes a ring truss module unit 1 and a splicing portion 2 , and adjacent ring truss module units 1 are connected via the splicing portion 2 .

[0110] The ring truss module unit 1 includes a welded main chord 11, a spliced main chord 12, a vertical bar 13, a diagonal web 14, a double-hole lug plate 15, a diagonal web connecting plate 16, a straight flange 17, and flange stiffeners 18. The welded main chord 11 is formed by welding two steel pipes end to end into a broken line shape. The welded main chord 11 is welded to the ends of the spliced main chord 12. The ends of the vertical bar 13 are respectively perpendicularly intersected and welded to the adjacent welded main chord 11, or respectively perpendicularly intersected and welded to the adjacent spliced main chord 12. The ends of the diagonal web 14 are respectively welded to the outer walls of the welded main chord 11 and the vertical bar 13, or respectively welded to the outer walls of the spliced main chord 12 and the vertical bar 13. The I-shaped flange 17 is welded to the outer wall at a certain distance from the end of the spliced main chord 12 and is perpendicular to the axis of the spliced main chord 12. Bolt holes are opened on the surface of the I-shaped flange 17, and flange stiffening ribs 18 are arranged between the I-shaped flange 17 and the outer wall of the main spliced main chord 12; the double-hole ear plate 15 is welded and fixedly connected to the welded main chord 11 and the vertical rod 13, and the diagonal web connecting plate 16 is welded and fixedly connected to the spliced main chord 12 and the vertical rod 13.

[0111] The modular assembly ring truss 02 comprises a splicing portion 21 of a perforated sleeve connection assembly, a splicing vertical rod 22, a splicing diagonal web member 23, a connection assembly high-strength bolt 24, a flange high-strength bolt 25, a diagonal web member high-strength bolt 26, and a vertical rod high-strength bolt 27. Figure 6-12 .

[0112] The perforated sleeve connection assembly 21 includes two perforated semicircular steel pipes 211, a connecting plate 212, a semicircular flange plate 213, and a trapezoidal stiffening rib 214. The perforated semicircular steel pipe 211 has two rectangular holes, the positions and sizes of which are adapted to the straight flange 17 and the flange stiffening rib 18 on the spliced main chord 12, so as to be sufficient to accommodate the straight flange 17 and the flange stiffening rib 18. The connecting plate 212 is welded to the outer wall of the perforated semicircular steel pipe 211, and the angles between adjacent connecting plates 212 are the same as the design angles of each rod, ensuring that the spliced vertical rods 22 and the spliced diagonal web rods 23 can be connected to 212. After connection, the overall structural form is consistent with the vertical rods 13 and the diagonal web rods 14 of the ring truss module unit. The semicircular flange plate 213 is welded to the outer edge wall of the hole of the perforated semicircular steel pipe 211. On the top, and welded to the connecting plate 212, the trapezoidal stiffening rib 214 is welded between the semicircular flange 213 and the outer wall of the perforated semicircular steel pipe 211, and bolt holes are provided on the connecting plate 212 and the semicircular flange plate 213; the spliced vertical rod 22 includes a seamless round steel pipe 221, a vertical rod cover plate 222, and a vertical rod ear plate 223, the vertical rod cover plate 222 is welded at both ends of the seamless round steel pipe 221, the vertical rod ear plate 223 is vertically welded to the outside of the vertical rod cover plate 222, and bolt holes are provided on the vertical rod ear plate 223; the spliced diagonal web rod 23 includes a seamless round steel pipe 231, a diagonal web rod cover plate 232, and a diagonal web rod ear plate 233, the diagonal web rod cover plate 232 is welded at both ends of the seamless round steel pipe 231, the diagonal web rod ear plate 233 is vertically welded to the outside of the diagonal web rod cover plate 232, and bolt holes are provided on the diagonal web rod ear plate 233.

[0113] The two perforated semicircular steel tubes 211 in the perforated sleeve connection assembly 21 are spliced together and sleeved onto the outside of the spliced main chord 12. The straight flange 17 on the spliced main chord 12 passes through the hole in the perforated semicircular steel tube 211 and contacts the semicircular flange 213. The perforated sleeve connection assembly 21 is connected to the spliced main chord 12 via the straight flange 17 and the semicircular flange 213 using flange high-strength bolts 25. The perforated sleeve connection assembly 21 is connected via the connection assembly high-strength bolts 24. The two ends of the spliced vertical rod 22 are respectively connected to the connecting plate 212 in the adjacent perforated sleeve connection assembly 21 via the vertical rod high-strength bolts 27. The two ends of the spliced diagonal web member 23 are respectively connected to the connecting plate 212 in the perforated sleeve connection assembly 21 and the diagonal web member connecting plate 16 via the diagonal web member high-strength bolts 26.

[0114] In this embodiment, the difference between the inner diameter of the perforated sleeve connection assembly 21 and the outer diameter of the spliced main chord 12 is controlled to be 1 to 3 mm;

[0115] The cable-through ridge dome 03 comprises a central tension ring 3, a support rod 4, a cable-through ridge rod 5, a ridge rod node 6, an inclined cable 7, a cable support node 8, a ring cable 9, and a ridge rod high-strength bolt 10. Figure 12-15 ;

[0116] The central tension ring 3 includes a central support rod 31, an upper tension ring 32, a lower tension ring 33, a strip connecting plate 34, a ridge connecting rod 35, and an ear plate 36. Figure 16 The upper end of the central support rod 31 is welded to the strip connecting plate 34, and the strip connecting plates 34 are evenly arranged along the circumferential direction of the central support rod 31. The other end of the strip connecting plate 34 is welded to the inner surface of the upper tension ring 32. The upper surface of the upper tension ring 32 is flush with the upper surface of the strip connecting plate 34. This embodiment includes 24 spinal rod connecting rods 35, each of which is welded to the outer surface of the upper tension ring 32 and evenly arranged at 24 equal parts of the outer surface of the upper tension ring; the spinal rod connecting rod 35 is provided with a through hole Bolt hole; the lower end of the central support rod 31 is welded to the strip connecting plate 34, and the strip connecting plate 34 is evenly distributed and fixedly connected to the outer surface of the lower end of the central support rod 31, and the other end of the strip connecting plate 34 is welded to the inner surface of the lower tension ring 33. This embodiment includes 24 ear plates 36, and each ear plate 36 is welded to the outer surface of the lower tension ring 33. Each ear plate 36 is evenly distributed and fixedly connected to 24 equal parts of the outer surface of the lower tension ring 33, and the ear plate corresponds to the position of the 36 spine connecting rod 35 and is in the same vertical plane.

[0117] The support rod 4 is composed of two seamless round steel tubes 41, an adjusting sleeve 42, two U-shaped ear plates 43 and two pins 44. Figure 17 ; The inner surfaces of both ends of the adjusting sleeve 42 are respectively provided with forward and reverse threads, the outer surface of one end of a seamless round steel tube 41 is provided with forward threads, and the other surface is provided with reverse threads. The two seamless round steel tubes 41 are respectively connected to the adjusting sleeve 42 through corresponding forward and reverse threads. When the adjusting sleeve 42 is rotated forward, the length of the strut 4 increases, and when the adjusting sleeve 42 is rotated reversely, the length of the strut 4 decreases; the other end of the seamless round steel tube 41 is welded and fixedly connected with a U-shaped ear plate 43, and the U-shaped ear plate 43 is provided with a pin shaft hole for inserting the pin shaft 44, and the pin shaft 44 is used to connect the U-shaped ear plate 43 with the convex partition plate 62 in the ridge node 6 or the convex ear plate 83 of the cable support node 8.

[0118] See also Figure 18 、 19The cable-passing ridge rod 5 includes a seamless round steel tube 51, an outer sleeve 52, a ridge rope 53, and a fixer 54; the outer sleeve 52 is formed by welding a non-porous sleeve 521, a perforated partition 522 and a perforated sleeve 523, wherein the axes of the non-porous sleeve 521, the perforated partition 522 and the perforated sleeve 523 are on the same straight line, and a through bolt hole is provided at the center of the perforated sleeve 523; the ridge rope 53 is coaxially arranged inside the seamless round steel tube 51, and the two ends of the seamless round steel tube 51 are respectively inserted into the non-porous sleeve 521, and the two ends of the ridge rope 53 pass through the two perforated partitions 522 and are fixed to the outside of the perforated partition 522 by means of a fixer 54, and appropriate prestress is applied to the ridge rope 53, and the fixer 54 is located inside the perforated sleeve 523, and the perforated sleeve 523 is provided with a through hole adapted to the perforated branch pipe 61 in the ridge rod node 6. In this embodiment, a prestress of 35% of the breaking force of the cord is applied to the cord 53 , and a gap between the seamless round steel tube 51 and the non-porous sleeve 521 is not greater than 3 mm and not less than 1 mm.

[0119] The ridgepole node 6 comprises a plurality of perforated branches 61, a node partition plate 62, a node ear plate 63, and a V-shaped node double ear plate 64. Figure 19-23 The perforated branch pipes 61 are provided with through-holes that are compatible with the perforated sleeves 523 in the cable-passing ridge rods 5. The node diaphragms 62 are provided with two through-holes for connecting to the struts 4. The node lugs 63 are provided with through-holes for connecting to the diagonal cables 7. Each perforated branch pipe 61 is welded to the surface of the node diaphragms 62. The welding angle of each perforated branch pipe 61 is determined by the design angle of the cable dome. The node lugs 63 are welded perpendicularly to the surface of the node diaphragms 62.

[0120] The angles of the cable-through ridge rod 5 and the oblique cables 7 of the cable-through ridge rod cable dome 03 are calculated according to the following design formulas. Figure 15 ;

[0121]

[0122]

[0123] h0: the elevation difference between the central tension ring and the first circle of ridge nodes;

[0124] h1: The elevation difference between the first circle ridge node and the second circle ridge node;

[0125] h2: the elevation difference between the second circle ridgepole node and the third circle ridgepole node;

[0126] h3: The elevation difference between the third circle ridge node and the fourth circle ridge node;

[0127] H0: height of the center tension ring;

[0128] H1: vertical projection height of the first circle of poles;

[0129] H2: vertical projection height of the second circle of poles;

[0130] H3: vertical projection height of the third circle pole;

[0131] l1: horizontal projection length of the first circle of cable ridge rod;

[0132] l2: horizontal projection length of the second circle of cable-threading ridge rod;

[0133] l3: horizontal projection length of the third circle of cable-threading ridge rod;

[0134] l4: horizontal projection length of the fourth circle of cable-threading ridge rod;

[0135] α1: the angle between the first circle of cable-threading ridge and the horizontal direction; β1: the angle between the first circle of oblique cable and the horizontal direction;

[0136] α2: the angle between the second circle of cable-threading ridge and the horizontal direction; β2: the angle between the second circle of oblique cable and the horizontal direction;

[0137] α3: the angle between the third circle of cable-threading ridge rod and the horizontal direction; β3: the angle between the third circle of oblique cable and the horizontal direction;

[0138] α4: The angle between the fourth circle of cable-threading ridge rod and the horizontal direction; β4: The angle between the fourth circle of oblique cable and the horizontal direction.

[0139] This embodiment includes four specific types of spine nodes 6, see the attached Figures 24a-24d , the vertebral node 6 is divided into several forms such as Y-shaped, X1-shaped, X2-shaped, and V-shaped:

[0140] The Y-shaped ridgepole node 6 includes three branch pipes with holes 61, a node partition plate 62, and a node ear plate 63. Figure 24a The perforated branch pipes 61 are welded to the two side surfaces of the node diaphragm 62, wherein one perforated branch pipe 61 is welded to the inner side surface of the node diaphragm 62, i.e., the side close to the central tension ring 3, and two perforated branch pipes 61 are welded to the outer side surface of the node diaphragm 62, i.e., the side away from the central tension ring 3. The node ear plate 63 is welded to the inner side surface of the node diaphragm 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome. In this embodiment, the upper perforated branch pipe 61 is welded to the node diaphragm 62 in the horizontal direction at a vertical angle of α1, and the lower branch pipe is welded to the node diaphragm 62 in the horizontal direction at an angle of α1. The welding angle between the vertical direction and the node partition is See attached Figure 15 , wherein n is the annular equal fraction, and in this embodiment n is 24.

[0141] The X1-shaped ridgepole node 6 includes four branch pipes with holes 61, a node partition plate 62, and a node ear plate 63. Figure 24b The perforated branch pipes 61 are welded to the two sides of the node diaphragm 62, two of which are welded to the inner side of the node diaphragm 62, two of which are welded to the outer side of the node diaphragm 62, and the node lugs 63 are welded to the inner side of the node diaphragm 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome. In this embodiment, the horizontal welding angle of the upper perforated branch pipe 61 and the node diaphragm 62 is The vertical angle is α2, and the horizontal welding angle between the lower branch pipe and the node partition 62 is The vertical angle is See attached Figure 15 , wherein n is the annular equal fraction, and in this embodiment n is 24.

[0142] The X2-shaped ridgepole node 6 includes four branch pipes with holes 61, a node partition plate 62, and a node ear plate 63. Figure 24c The perforated branch pipes 61 are welded to the two sides of the node diaphragm 62, two of which are welded to the inner side of the node diaphragm 62, two of which are welded to the outer side of the node diaphragm 62, and the node lugs 63 are welded to the inner side of the node diaphragm 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome. In this embodiment, the horizontal welding angle of the upper perforated branch pipe 61 and the node diaphragm 62 is The vertical angle is α3, and the horizontal welding angle between the lower branch pipe and the node partition 62 is The vertical angle is See attached Figure 15 , wherein n is the annular equal fraction, and in this embodiment n is 24.

[0143] The V-shaped ridgepole node 6 includes two branch pipes with holes 61, a node partition 62, a node ear plate 63, and two V-shaped node double ear plates 64. Figure 24c The two perforated branch pipes 61 are welded to the inner side of the node diaphragm 62, the node ear plate 63 is welded to the inner side of the node diaphragm 62, and the two V-shaped node double ear plates 64 are welded in parallel to the outer side of the node diaphragm 62. The welding angle of each perforated branch pipe 61 is determined according to the design angle of the cable dome. In this embodiment, the horizontal welding angle of each perforated branch pipe 61 and the node diaphragm 62 is The vertical welding angle is α4, see the attached Figure 15 , wherein n is the annular equal fraction, and in this embodiment n is 24.

[0144] In this embodiment, the gap between the perforated branch pipe 61 and the perforated sleeve 523 is not greater than 3 mm and not less than 1 mm.

[0145] The oblique cable 7 comprises an oblique cable body 71, two double-ear plate cable heads 72, and two oblique cable pins 73. Figure 25 The two ends of the oblique cable body 71 are respectively fixedly connected to a double-ear plate cable head 72, and the oblique cable double-ear plate cable head 72 is respectively connected to the ridge node ear plate 63 and the cable support node convex ear plate 83 through the oblique cable pin shaft 73.

[0146] The cable support node 8 includes an upper cover plate 81, a baffle 82, a convex ear plate 83, two cable support node ear plates 84, four roller pins 85, four rollers 86, a lower cover plate 87, two clamping plates 88, and six clamping plate high-strength bolts 89. Figure 26 and attached Figure 27 , wherein the baffle 82 is vertically centered and welded to the inner side of the upper cover plate 81, and the outer edge of the baffle 82 is in the same plane as the outer edge of the upper cover plate 81; the convex ear plate 83 is vertically welded to the center of the upper cover plate 81 and the baffle 82, and the convex ear plate 83 is used to connect the oblique cable 7; the cable support node ear plate 84 is welded between the upper cover plate 81 and the convex ear plate 83, and from the first circle to the third circle of cable support nodes 8, the angles between the two convex ear plates are 30°, 48° and 60° respectively, and the cable support node ear plate 84 is used to connect the U-shaped ear plate 43 of the support rod 4. The roller pin 85 passes through the upper cover plate 81, the roller 86, and the lower cover plate 87, and the ring rope 9 is passed between the rollers 86. The roller 86 is designed to reduce the friction prestress loss of the ring rope. After the installation of the ring rope 9 is completed, the plywood 88 on both sides of the cable support node 8 is installed and fixed with the plywood high-strength bolts 89; the installation order of the cable support node 8 is: after the upper structure of the cable support node 8 is made, including the upper cover plate 81, the baffle 82, the convex ear plate 83, and the cable support node ear plate 84, the four pins 85 are installed through the pin holes of the upper cover plate, the roller 86 is installed on the pin 85, and then the lower cover plate 87 is installed and the pin 85 is tightened, the ring rope 9 is passed through the cable support node 8, the plywood 88 is installed and the plywood high-strength bolts 89 are tightened.

[0147] The sling 9 comprises a sling body 91, a sling positive thread joint 92, a sling reverse thread joint 93, and a sling connecting sleeve 94. The two ends of the sling body 91 are respectively fixedly connected to the sling positive thread joint 92 and the sling reverse thread joint 93. The sling bodies 91 are connected via the sling connecting sleeve 94. Figure 28 、 Figure 29 、 Figure 30The inner ends of the sling connection sleeve 94 are respectively provided with forward and reverse threads, which are used to connect the sling forward thread joint 92 and the sling reverse thread joint 93, respectively. At this time, when the sling connection sleeve 94 is rotated forward, the distance between the sling forward thread joint 92 and the sling reverse thread joint 93 is reduced, and when the sling connection sleeve 94 is rotated backward, the distance between the sling forward thread joint 92 and the sling reverse thread joint 93 is increased, so that the length of the sling can be adjusted by rotating the sling connection sleeve 94.

[0148] In the cable-through ridge dome 03, the central tension ring 35 is connected to the cable-through ridge rod 5 via high-strength ridge rod bolts 10. The connection between the cable-through ridge rod 5 and the ridge rod node 6 is as follows: each perforated branch pipe 61 of the ridge rod node 6 is inserted into the perforated sleeve 523 of the cable-through ridge rod 5, with the bolt holes of the perforated branch pipe 61 aligned with the bolt holes of the perforated sleeve 523. High-strength ridge rod bolts 10 are used to connect the cable-through ridge rod 5 and the ridge rod node 6. The oblique cable 7 is connected to the central tension ring 3 via lugs 36, the oblique cable 7 is connected to the ridge rod node 6 via lugs 63, the strut 4 is connected to the ridge rod node 6 via U-shaped lugs 42 and pins 43, and the strut 4 is connected to the cable-through ridge rod node 8 via U-shaped lugs 42 and pins 43. The ridge rod nodes 6 and oblique cables 7 of the cable-through ridge dome are connected to the modular assembly ring truss double-hole lugs 15.

[0149] One end of each first-circle inclined cable 7 has a double-eared cable head 72 connected to an ear plate 36, and the other end of the inclined cable 7 is connected to the node ear plate 63 in the corresponding first-circle ridge rod node 6. One end of each second-circle inclined cable 7 has a double-eared cable head 72 connected to the node ear plate 63 of the second-circle ridge rod node 6, and the other end is connected to the convex ear plate 83 of the first-circle cable support node 8. One end of each third-circle inclined cable 7 has a double-eared cable head 72 connected to the node ear plate 63 of the third-circle ridge rod node 6, and the other end is connected to the convex ear plate 83 of the second-circle cable support node 8. One end of each fourth-circle inclined cable 7 has a double-eared cable head 72 temporarily fixedly connected to the lower hole of the node ear plate 63 of the fourth-circle ridge rod node 6, and the other end is connected to the convex ear plate 83 of the third-circle cable support node 8. This forms the integral, fully assembled cable-through ridge rod cable dome and modular assembly ring truss structure system of the present invention.

[0150] Example 2:

[0151] The construction method of the integrally assembled cable-through ridge cable dome and modular assembled ring truss structure system of the present invention comprises the following steps:

[0152] Step 1: See Figures 31a-31i , hoist each ring truss module unit 1 to the designed position on the foundation pedestal 01 and fix them one by one on the foundation pedestal 01;

[0153] Step 2: See attached Figure 6-12, use the splicing part 2 to connect the adjacent ring truss module units 1; first, the perforated semicircular steel pipe 211 in the perforated sleeve connection assembly 21 is sleeved on the outer end of the spliced main chord 12 of the adjacent ring truss module unit 1, and the straight flange 17 provided on the spliced main chord 12 passes through the hole on the perforated semicircular steel pipe 211, so that the semicircular ring flange plate 213 of the perforated sleeve connection assembly 21 is in contact with the straight flange 17, and then the semicircular ring flange plate 213 and the straight flange 17 are connected with the flange high-strength bolts 25, and initially tightened, and then the adjacent perforated semicircular steel pipes 211 are connected with the connection assembly high-strength bolts 24, and initially tightened; second, install the splicing vertical rod 22, and the spliced The vertical rod ear plates 221 at both ends of the vertical rod 22 are connected to the corresponding connecting plates 212 of the perforated sleeve connecting assembly 21 using vertical rod high-strength bolts 27 and are initially tightened. Third, the diagonal web members 23 are installed, and the diagonal web member ear plates 233 at one end of the spliced diagonal web member 23 are connected to the connecting plates 212 of the perforated sleeve connecting assembly 21. The diagonal web member ear plates 233 at the other end of the spliced diagonal web member 23 are connected to the diagonal web member connecting plate 16 using diagonal web member high-strength bolts 26 and are initially tightened. Fourth, the connecting assembly high-strength bolts 24, flange high-strength bolts 25, diagonal web member high-strength bolts 26, and vertical rod high-strength bolts 27 are finally tightened in sequence. At this point, the modular assembly ring truss 02 is hoisted and assembled.

[0154] Step 3: See Figures 32a-32eSet up a jacking cradle 04 at the construction site and assemble the cable-through ridge cable dome 03 on the ground; first, set up the jacking cradle 04 in the center of the site and place the central tension ring 3 on the jacking cradle 04; second, install the first circle of cable-through ridge rods 5 and the first circle of Y-shaped ridge rod nodes 6 of the cable-through ridge cable dome 03 in a cross-shaped symmetric manner, install and initially tighten the first circle of ridge rod high-strength bolts 10, and then install the first circle of inclined cables 7, the first circle of support rods 4, the first circle of cable support nodes 8, and the first circle of ring cables 9 in sequence. After the first circle of components is installed, the first circle of cable support nodes 8 is located on the ground to support the cable dome from losing stability; thirdly, the second circle of cable ridge rods 5 and the second circle of X-shaped ridge rod nodes 6 are installed symmetrically in a cross shape, and the second circle of ridge rod high-strength bolts 10 are installed and initially tightened. Then, the jacking frame 04 is lifted until the height of the second circle of support rods 4 is just left, and then the second circle of oblique cables 7, the second circle of support rods 4, the second circle of cable support nodes 8, and the second circle of ring cables 9 are symmetrically installed in sequence. After the second circle of components is installed, Finally, the first circle of cable support nodes 8 is suspended in the air, and the second circle of cable support nodes is located on the ground to support the cable dome from losing stability; fourth, the third circle of cable ridge rods 5 and the third circle of X-shaped ridge rod nodes 6 are installed symmetrically in a cross shape, and the third circle of ridge rod high-strength bolts 10 are installed and initially tightened. Then, the jacking frame 04 is lifted until the height of the third circle of support rods 4 is just reserved. Then, the third circle of inclined cables 7, the third circle of support rods 4, the third circle of cable support nodes 8, and the third circle of ring cables 9 are installed symmetrically in sequence. After the third circle of components is installed, Finally, the first and second circles of cable support nodes 8 are suspended in the air, and the third circle of cable support nodes is located on the ground to support the cable dome from losing stability; fifth, the fourth circle of cable-through ridge rods 5 and the fourth circle of V-shaped ridge rod nodes 6 are installed in sequence, and the fourth circle of ridge rod high-strength bolts 10 are installed and initially tightened, and then the fourth circle of inclined cables 7 are installed. The inclined cables 7 and the node ear plates 63 of the fourth circle of V-shaped ridge rod nodes 6 are temporarily connected; sixth, the first to fourth circles of ridge rod high-strength bolts 10 are finally tightened in sequence. At this point, the cable-through ridge rod cable dome 03 is assembled on the ground;

[0155] Step 4: See attached Figures 33-35 , install the lifting cable 05 in the upper hole of the node ear plate 63 of the fourth circle V-shaped ridge rod node 6, and the other end of the lifting cable is connected to a lifting machine, such as a crane, a hoist, etc., and the jacking frame 04 gradually lifts the central tension ring 3 of the cable-through ridge rod cable dome 03. At the same time, the surrounding lifting cables 05 lift the fourth circle V-shaped ridge rod node 6 of the cable-through ridge rod cable dome 03 until the cable-through ridge rod cable dome 03 is lifted to the height of the double-hole ear plate 15 of the ring truss module unit 1. At this time, the fourth circle V-shaped ridge rod node 6 of the cable-through ridge rod cable dome 03 is at the same position as the double-hole ear plate 15 of the modular assembly ring truss 02;

[0156] Step 5: Use high-strength bolts or pins to connect the fourth circle of V-shaped ridgepole nodes 6 of the cable-through ridgepole cable dome 03 and the upper holes of the double-hole ear plates 15 of the modular assembly ring truss 02;

[0157] Step 6: Remove the temporary connection between the fourth circle of oblique cables 7 and the node ear plate 63 of the fourth circle of ridge node 6, and tension the fourth circle of oblique cables 7 until the cable-through ridge cable dome 03 reaches the design elevation. The design elevation in this embodiment is L / 10, see Figure 15 , fix and connect the fourth circle of oblique cable 7 and the lower hole of the double-hole ear plate 15;

[0158] Step 7: Remove the lifting cable 05 and the jacking frame 04, and the construction and installation of the entire fully assembled cable-through ridge cable dome and modular assembly ring truss structure are completed.

[0159] At the same time, the present invention provides an integral, fully assembled cable-through ridge cable dome and modular assembled ring truss structure system and its construction method. The structure adopts fully assembled prestressed and fully bolted connection technology, is not restricted by asymmetric loads, is safe and reliable, has good disassembly and assembly performance, can be rebuilt in different locations, has good structural reversibility, and realizes green construction; it avoids on-site welding, the overall seismic performance of the structure is good, the construction progress is effectively improved, and it is conducive to promoting the intelligent construction of large-span steel structures.

[0160] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A modular assembly ring truss structure, characterized by: It consists of two parts: ring truss module unit and splicing part. Adjacent ring truss module units are connected by splicing parts; the ring truss module units include welded main chords, spliced main chords, vertical bars, diagonal webs, double-hole ear plates, diagonal web connecting plates, straight flanges and flange stiffeners, the welded main chords are welded into a broken line shape by connecting two steel pipes end to end, the welded main chords are welded to the ends of the spliced main chords, the two ends of the vertical bars are respectively perpendicularly intersected and welded to the adjacent welded main chords, or respectively perpendicularly intersected and welded to the adjacent spliced main chords; the two ends of the diagonal webs The ends are respectively welded to the outer walls of the welded main chord and the vertical bars, or the two ends of the diagonal web are respectively welded to the outer walls of the spliced main chord and the vertical bars; a straight flange is welded to the outer wall at a certain distance from the end of the spliced main chord and is perpendicular to the axis of the spliced main chord, bolt holes are provided on the surface of the straight flange, and flange stiffening ribs are provided between the straight flange and the outer wall of the main spliced main chord; the double-hole ear plate is welded and fixedly connected to the welded main chord and the vertical bars, and the diagonal web connecting plate is welded and fixedly connected to the spliced main chord and the vertical bars; The splicing part includes an open-hole sleeve connection assembly, a spliced vertical rod, a spliced diagonal web rod, a connection assembly high-strength bolt, a flange high-strength bolt, a diagonal web rod high-strength bolt and a vertical rod high-strength bolt; The open hole sleeve connection assembly includes two open hole semicircular steel pipes, a connecting plate, a semicircular ring flange plate, and a trapezoidal stiffening rib. The open hole semicircular steel pipe is provided with two holes, and its position and size are adapted to the I-shaped flange and flange stiffening rib on the spliced main chord, so as to be sufficient to accommodate the I-shaped flange and flange stiffening rib. The connecting plate is welded on the outer wall of the open hole semicircular steel pipe, and the angle between adjacent connecting plates is the same as the design angle of each rod. The semicircular ring flange plate is welded to the outer edge of the hole of the open hole semicircular steel pipe and is welded to the connecting plate. The trapezoidal stiffening rib is welded between the semicircular ring flange plate and the outer wall of the open hole semicircular steel pipe, and bolt holes are provided on the connecting plate and the semicircular ring flange plate; the spliced vertical rod includes a round steel pipe, a vertical rod cover plate, and a vertical rod ear plate. The vertical rod cover plate is welded to both ends of the round steel pipe, the vertical rod ear plate is vertically welded to the outer side of the vertical rod cover plate, and bolt holes are provided on the vertical rod ear plate; The spliced diagonal web member includes a round steel tube, a diagonal web member cover plate, and a diagonal web member ear plate. The diagonal web member cover plate is welded to both ends of the round steel tube, and the diagonal web member ear plate is vertically welded to the outside of the diagonal web member cover plate, and bolt holes are opened on the diagonal web member ear plate; the two pieces of perforated semicircular steel tubes in the perforated sleeve connection assembly are spliced together and sleeved on the outside of the spliced main chord, and the I-shaped flange on the spliced main chord passes through the hole on the perforated semicircular steel tube and contacts the semicircular flange plate; the perforated sleeve connection assembly is connected to the spliced main chord through the I-shaped flange and the semicircular flange plate using flange high-strength bolts; the perforated sleeve connection assembly is connected through the connecting assembly high-strength bolts; the two ends of the spliced vertical rod are respectively connected to the connecting plates in the adjacent perforated sleeve connection assembly through the vertical rod high-strength bolts, and the two ends of the spliced diagonal web member are respectively connected to the connecting plate in the perforated sleeve connection assembly and the diagonal web member connecting plate through the diagonal web member high-strength bolts.

2. The modular assembly ring truss structure according to claim 1, characterized in that: The difference between the inner diameter of the two perforated semicircular steel pipes in the perforated sleeve connection assembly and the outer diameter of the spliced main chord is controlled to be 1 to 3 mm.

3. An integral, fully assembled cable-through ridge cable dome and modular assembled ring truss structure system, characterized by: The modular assembly ring truss structure according to any one of claims 1 to 2 further comprises a cable-through ridge cable dome, wherein the cable-through ridge cable dome comprises a central tension ring, a support rod, a cable-through ridge rod, a ridge rod node, an oblique cable, a cable support node, a ring cable, and a ridge rod high-strength bolt; The center tension ring includes a center support rod, an upper tension ring, a lower tension ring, a strip connecting plate, a ridgepole connecting rod and an ear plate, the upper end of the center support rod is welded to the strip connecting plate, the strip connecting plate is evenly arranged along the circumferential direction of the center support rod, the other end of the strip connecting plate is welded to the inner surface of the upper tension ring, the upper surface of the upper tension ring is flush with the upper surface of the strip connecting plate, the ridgepole connecting rods are all welded to the outer side of the upper tension ring and are evenly arranged on the outer surface of the upper tension ring; a through bolt hole is provided on the ridgepole connecting rod; the lower end of the center support rod is welded to the strip connecting plate, the strip connecting plate is evenly distributed and fixedly connected to the outer surface of the lower end of the center support rod, and the other end of the strip connecting plate is welded to the inner side of the lower tension ring, and each ear plate is welded to the outer side of the lower tension ring, and each ear plate is evenly distributed and fixedly connected to the outer surface of the lower tension ring, and the ear plate corresponds to the position of the ridgepole connecting rod and is in the same vertical plane; The support rod is composed of two seamless round steel tubes, an adjusting sleeve, two U-shaped ear plates and two pin shafts; the inner surfaces of both ends of the adjusting sleeve are respectively provided with positive and negative threads, and the outer surfaces of one end of the two seamless round steel tubes are respectively provided with positive and negative threads, and the two seamless round steel tubes are respectively connected to the adjusting sleeves through corresponding positive and negative threads; the other end of the seamless round steel tube is welded and fixedly connected to the U-shaped ear plate, and the U-shaped ear plate is provided with a pin shaft hole for inserting the pin shaft, and the pin shaft is used to connect the U-shaped ear plate with the convex partition in the ridgepole node or the convex ear plate of the cable support node; The cable-through ridge pole includes a seamless round steel tube, an outer sleeve, a ridge rope, and a fixer; the outer sleeve is formed by welding a non-porous sleeve, a perforated partition plate, and a perforated sleeve, wherein the non-porous sleeve, the perforated partition plate, and the perforated sleeve are coaxial, and a through bolt hole is opened at the center of the perforated sleeve; the ridge rope is coaxially arranged inside the seamless round steel tube, and the two ends of the seamless round steel tube are respectively inserted into the non-porous sleeve. The two ends of the ridge rope pass through the two perforated partition plates and are fixed to the outside of the perforated partition plate by a fixer. The fixer is located inside the perforated sleeve, and the perforated sleeve is provided with a through hole adapted to the perforated branch pipe in the ridge pole node; The ridge pole node comprises a plurality of perforated branch pipes, a node partition plate, a node ear plate, and a V-shaped node double ear plate; wherein the perforated branch pipe is provided with a through hole adapted to the perforated sleeve in the cable-passing ridge pole, the node partition plate is provided with two through holes for connecting to the strut, and the node ear plate is provided with a through hole for connecting to the oblique cable; each perforated branch pipe is welded to the surface of the node partition plate, and the node ear plate is welded perpendicularly to the surface of the node partition plate; The ridgepole connecting rod in the central tension ring is connected to the cable-through ridgepole by high-strength ridgepole bolts. The connection relationship between the cable-through ridgepole and the ridgepole node is: each perforated branch pipe in the ridgepole node is inserted into the perforated sleeve of the cable-through ridgepole, and the bolt holes of the perforated branch pipes are aligned with the bolt holes of the perforated sleeves, and the cable-through ridgepole and the ridgepole node are connected by high-strength ridgepole bolts; the oblique cable is connected to the central tension ring through the ear plate, the oblique cable is connected to the ridgepole node through the node ear plate, the strut is connected to the ridgepole node through the U-shaped ear plate and the pin shaft, the strut is connected to the cable-supporting node through the U-shaped ear plate and the pin shaft; the ridgepole node and the oblique cable are connected There are multiple inclined cables, all of which are arranged in N circles with the central tension ring as the center, and there are multiple cable support nodes, which are arranged in N-1 circles with the central tension ring as the center, where N is greater than or equal to 2; one end of each innermost circle of inclined cables is connected to an ear plate, and the other end of the inclined cable is connected to the node ear plate in the corresponding innermost circle of ridgepole nodes; one end of each next circle of inclined cables is connected to the node ear plate of the next circle of ridgepole nodes, and the other end is connected to the convex ear plate of the previous circle of cable support nodes; one end of each Nth circle of inclined cables is connected to the node ear plate of the Nth circle of ridgepole nodes, and the other end is connected to the convex ear plate of the N-1th circle of cable support nodes; The Nth circle of ridge rod nodes in the cable-through ridge rod cable dome corresponds one-to-one to the upper holes of the double-hole ear plates in the modular assembly ring truss, and are connected by high-strength bolts or pins; the Nth circle of oblique cables in the cable-through ridge rod cable dome corresponds one-to-one to the lower holes of the double-hole ear plates in the modular assembly ring truss, and are fixedly connected by high-strength bolts or pins.

4. The system according to claim 3, characterized in that: The gap between the seamless round steel pipe and the non-porous casing shall not be greater than 3mm and not less than 1mm.

5. The system according to claim 3, characterized in that: The gap between the perforated branch pipe and the perforated sleeve is not greater than 3 mm and not less than 1 mm.

6. The system according to claim 3, characterized in that: The spinal nodes are divided into four types: Y-shaped, X1-shaped, X2-shaped, and V-shaped. The Y-shaped ridge node includes three perforated branches, one node partition, and one node ear plate. The perforated branches are welded to the two sides of the node partition, one perforated branch is welded to the inner side of the node partition, and two perforated branch are welded to the outer side of the node partition. The node ear plate is welded to the inner side of the node partition. The welding angle of each perforated branch is determined according to the design angle of the cable dome. The X1-shaped ridgepole node includes four perforated branches, one node partition, and one node ear plate. The perforated branches are welded to the two sides of the node partition, two of which are welded to the inner side of the node partition, and two are welded to the outer side of the node partition. The node ear plate is welded to the inner side of the node partition. The welding angle of each perforated branch is determined according to the design angle of the cable dome. The X2-shaped ridgepole node includes four perforated branches, one node partition, and one node ear plate. The perforated branches are welded to the two sides of the node partition, two of which are welded to the inner side of the node partition, and two are welded to the outer side of the node partition. The node ear plate is welded to the inner side of the node partition. The welding angle of each perforated branch is determined according to the design angle of the cable dome. The V-shaped ridge node includes two perforated branch pipes, a node partition plate, a node ear plate, and two V-shaped node double-ear plates. The two perforated branch pipes are welded to the inner side of the node partition plate, the node ear plate is welded to the inner side of the node partition plate, and the two V-shaped node double-ear plates are welded in parallel to the outer side of the node partition plate. The welding angle of each perforated branch pipe is determined according to the design angle of the cable dome.

7. The system according to claim 6, characterized in that: The central tension ring includes 24 ridgepole connecting rods and 24 ear plates; in the Y-shaped ridgepole node, the upper perforated branch pipe is welded to the node partition in the horizontal direction at a vertical angle of α1, and the lower branch pipe is welded to the node partition in the horizontal direction at an angle of The welding angle between the vertical direction and the node partition is In the X1-shaped ridge node, the horizontal welding angle between the upper perforated branch pipe and the node partition is The vertical angle is α2, and the horizontal welding angle between the lower branch pipe and the node partition is The vertical angle is In the X2-shaped ridgepole node, the horizontal welding angle between the upper perforated branch pipe and the node partition is The vertical angle is α3, and the horizontal welding angle between the lower branch pipe and the node partition is The vertical angle is In the V-shaped ridge node, the horizontal welding angle between each perforated branch pipe and the node partition is The vertical welding angle is α4, and the above-mentioned circumferential equal fraction n is 24.

8. The system according to claim 3, characterized in that: The oblique cable includes an oblique cable body, two double-ear plate cable heads, and two oblique cable pins. A double-ear plate cable head is fixedly connected to each end of the oblique cable body. The oblique cable double-ear plate cable heads are respectively connected to the ridge node ear plate and the cable support node convex ear plate through the oblique cable pins.

9. The system according to claim 3, characterized in that: The cable support node includes an upper cover plate, a baffle, a convex ear plate, two cable support node ear plates, four roller pins, four rollers, a lower cover plate, two plywoods, and six plywood high-strength bolts, wherein the baffle plate is vertically centered and welded to the inner side of the upper cover plate, and the outer edge of the baffle plate is in the same plane as the outer edge of the upper cover plate; the convex ear plate is vertically welded to the upper cover plate and the center of the baffle plate, and the convex ear plate is used to connect the oblique cable; the cable support node ear plate is welded between the upper cover plate and the convex ear plate, and the cable support node ear plate is used to connect the U-shaped ear plate of the support rod; the roller pin passes through the upper cover plate, roller, and lower cover plate, and the ring cable passes between the rollers.

10. The system according to claim 3, characterized in that: The ring rope includes a ring rope body, a ring rope positive thread joint, a ring rope reverse thread joint, and a ring rope connecting sleeve. The two ends of the ring rope body are fixedly connected to the ring rope positive thread joint and the ring rope reverse thread joint respectively. The two ends of the inner side of the ring rope connecting sleeve are respectively provided with positive and reverse threads. The ring rope bodies are connected through the ring rope connecting sleeve.

11. A construction method for the integrally assembled cable-through ridge cable dome and modular assembled ring truss structure system as claimed in claim 3, characterized in that: The following steps are involved: Step 1: Hoist each ring truss module unit to the designed position on the foundation cap, and fix it one by one on the foundation cap; Step 2: Connect adjacent ring truss module units with splicing parts; First, the perforated semicircular steel pipe in the perforated sleeve connection assembly is sleeved onto the outer end of the spliced main chord of the adjacent ring truss module unit, and the straight flange provided on the spliced main chord passes through the hole on the perforated semicircular steel pipe, so that the semicircular flange plate of the perforated sleeve connection assembly contacts the straight flange. Then, the semicircular flange plate and the straight flange are connected with flange high-strength bolts and initially tightened. Then, the adjacent perforated semicircular steel pipes are connected with the high-strength bolts of the connection assembly and initially tightened. Second, install the spliced vertical rods, connect the vertical rod ear plates at both ends of the spliced vertical rods with the corresponding connecting plates of the open-hole sleeve connection assembly using vertical rod high-strength bolts, and perform initial tightening; Third, install the spliced diagonal web members, connect the diagonal web member ear plate at one end of the spliced diagonal web member to the connecting plate of the perforated sleeve connection assembly, connect the diagonal web member ear plate at the other end of the spliced diagonal web member to the diagonal web member connecting plate using diagonal web member high-strength bolts, and perform initial tightening; Fourth, tighten the high-strength bolts of the connection components, flange high-strength bolts, diagonal web high-strength bolts, and vertical rod high-strength bolts in sequence. At this point, the modular assembly ring truss is hoisted and assembled; Step 3: Set up a jacking frame at the construction site and assemble the cable dome on the ground; First, set up a jacking frame in the center of the site and place the central tension ring on the jacking frame; Second, the innermost ring of the cable-through ridge dome's cable-through ridge rods and ridge rod nodes are installed symmetrically in a cross-shaped pattern. The high-strength ridge rod bolts are installed and initially tightened. The inclined cables, struts, cable support nodes, and ring cables are then installed in sequence. After the above components are installed, the cable support nodes are located on the ground to support the cable dome. Third, install the next circle of cable-through ridge rods and ridge rod nodes symmetrically in a cross shape, install and initially tighten the ridge rod high-strength bolts, then raise the jacking frame until it is just high enough to install the struts. Then, install the diagonal cables, struts, cable support nodes, and ring cables symmetrically in sequence. After the above components are installed, the innermost circle of cable support nodes is suspended in the air, and the next circle of cable support nodes is located on the ground to support the cable dome and prevent it from losing stability. Continue in this manner until the secondary outer ring components are installed; Fourth, install the Nth circle of cable-threaded ridge poles and ridge pole nodes in sequence, install and initially tighten the ridge pole high-strength bolts, and then install the oblique cables, which are connected to the node ear plates of the ridge pole nodes; Fifth, tighten the high-strength bolts of each ridge pole in turn. At this point, the cable-through ridge pole cable dome is assembled on the ground. Step 4: Install a lifting cable at the upper hole of the node ear plate of the Nth circle ridge rod node, connect the other end of the lifting cable to the lifting machine, and use the lifting frame to lift the central tension ring of the cable-through ridge rod cable dome step by step. At the same time, the surrounding lifting cables lift the Nth circle ridge rod node of the cable-through ridge rod cable dome until the cable-through ridge rod cable dome is lifted to the height of the double-hole ear plate of the ring truss module unit. At this time, the Nth circle ridge rod node of the cable-through ridge rod cable dome is at the same position as the double-hole ear plate of the modular assembly ring truss. Step 5: Use high-strength bolts or pins to connect the Nth circle ridge pole node of the cable dome with the upper hole of the double-hole ear plate of the modular assembly ring truss; Step 6: Remove the connection between the Nth circle of inclined cables and the node ear plate of the Nth circle of ridge rod nodes, tension the Nth circle of inclined cables until the cable-through ridge rod cable dome reaches the design elevation, and connect the Nth circle of inclined cables to the lower hole of the double-hole ear plate; Step 7: Remove the lifting cables and jacking cradle, and the construction and installation of the fully assembled cable-through ridge cable dome and modular assembly ring truss structure system is completed.

12. The construction method according to claim 11, characterized in that: The design elevation is L / 10, where L is the span of the cable-through ridge cable dome.

13. The construction method according to claim 11, characterized in that: The prestress applied to the notochord was 35% of the notochord breaking force.

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