Prefabricated steel-concrete building main frame structure and construction method thereof

Abstract

The application provides an assembled steel-concrete building main frame structure and a construction method thereof, wherein the structure comprises a stand column, a ring beam lapped between the stand columns, a beam support supported below the ring beam, a top beam support and a bottom ring beam; the stand column is connected by at least two stand column units vertically through upper and lower stand column butt joints, and beam support connecting frames and ring beam connecting frames are arranged outside the upper and lower stand column butt joints; a top stand column capping frame is arranged at the top of the stand column, and a top beam support connecting frame is arranged outside the top stand column capping frame; a stand column base frame is connected to the bottom of the stand column, and a bottom ring beam connecting frame is arranged outside the stand column base frame; a cavity penetrating through the upper and lower parts of the stand column is formed inside the stand column, and the cavity is filled with concrete. The application combines the advantages of steel and concrete, and the overall strength of the steel structure after filling with concrete is greater and the stability is better, and the material cost is also lower than that of a pure steel structure with the same strength.

Description

Technical Field

[0001] This invention relates to prefabricated steel-concrete structure technology, and more particularly to a prefabricated steel-concrete building main frame structure and its construction method. Background Technology

[0002] Reinforced concrete effectively combines the tensile strength of steel bars with the compressive strength of concrete. It is also readily available locally and has mature construction techniques, making it one of the earliest building materials used in frame structures. However, reinforced concrete structures have a large self-weight, and the construction process is complex and time-consuming, involving numerous steps such as erecting supports, setting up formwork, cutting and tying steel bars, mixing and pouring concrete, curing, and demolding.

[0003] Steel is characterized by its high density, high strength, and light weight. Compared with traditional reinforced concrete structures, steel structures are stronger, lighter, and easier to construct, thus gaining wider and wider use.

[0004] However, existing steel structures typically use shaped steel sections. To ensure stability and improve bending and torsional resistance, it is necessary to add webs, stiffening ribs, or vertical and horizontal supports, resulting in a large amount of steel used and high material costs. Summary of the Invention

[0005] The purpose of this invention is to provide a prefabricated steel-concrete building main frame structure and its construction method. By pouring concrete into the columns and improving the connection structure, the overall strength can be improved while reducing material costs.

[0006] The following provides a brief overview of one or more aspects to offer a basic understanding of them. This overview is not an exhaustive summary of all conceived aspects, nor is it intended to identify key or decisive elements of all aspects, nor to define the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form to prepare for the more detailed descriptions that follow.

[0007] According to a first aspect of the present invention, a prefabricated steel-concrete building main frame structure is provided, including columns, ring beams overlapping between the columns, beam supports supporting the ring beams below the ring beams, top beam supports connecting the tops of the columns, and bottom ring beams connecting the bottoms of the columns. The column is formed by vertically connecting at least two column units through upper and lower column docking frames. A beam support connecting frame and a ring beam connecting frame are provided on the outside of the upper and lower column docking frames. The two ends of the ring beam are connected to the ring beam connecting frame, and the two ends of the beam support are connected to the beam support connecting frame. The top of the column is provided with a top column capping frame, and a top beam support connecting frame is provided on the outside of the top column capping frame. Both ends of the top beam support are connected to the top beam support connecting frame. The bottom of the column is connected to a column base frame, and a bottom ring beam connecting frame is provided on the outside of the column base frame. Both ends of the bottom ring beam are connected to the bottom ring beam connecting frame. The column unit, the upper and lower column docking frames, the top beam support connecting frame, and the column base frame form a through cavity that is filled with concrete.

[0008] In one embodiment, multiple stabilizing plates are provided at the top and bottom of the cavity within the column unit. Through-rod tubes are welded onto the stabilizing plates. The upper and lower column docking frames, the top column capping frame, and the column base frame are all connected to the through-rod tubes of the column unit via screws. Concrete injection holes are provided on the stabilizing plates.

[0009] In one embodiment, a reinforcing plate is further provided inside the column unit. The reinforcing plate is parallel to the stabilizing plate, and a concrete injection hole is provided on the reinforcing plate.

[0010] In one embodiment, the column unit is formed by welding two C-shaped steel pieces back to back. The top and top of the C-shaped steel are open sections. The stabilizing plate is disposed in the open section. A sealing plate is disposed on one side of the opening of the C-shaped steel. The sealing plate and the C-shaped steel together form a cavity that is closed on the side and open at both ends.

[0011] In one embodiment, the upper and lower column docking frame includes a reinforcing plate, a frame peripheral wall panel, and a screw. Multiple reinforcing plates are arranged in parallel, and the screw penetrates the reinforcing plate vertically and is welded and fixed to the reinforcing plate. The frame peripheral wall panel is arranged around the reinforcing plate and forms a cavity with the reinforcing plate. A concrete injection hole is opened on the reinforcing plate.

[0012] In one embodiment, the beam support connecting frame includes a beam support connecting frame side plate and a beam support connecting frame bottom plate. The beam support connecting frame side plate is welded vertically to the outer side of the frame perimeter wall panel, and bolt holes for fixing the beam support are provided on the beam support connecting frame side plate. The beam support connecting frame bottom plate is horizontally welded to the outer side of the frame perimeter wall panel, and the beam support connecting frame bottom plate and the beam support connecting frame side plate form a groove-shaped structure.

[0013] In one embodiment, a reinforcing brace is provided below the bottom plate of the beam support connecting frame. One side of the reinforcing brace is connected to the bottom plate of the beam support connecting frame, and the other side is connected to the column unit.

[0014] In one embodiment, a stabilizing plate is welded between adjacent beam support connecting frame side plates located on different sides of the upper and lower column docking frames. A fixing tie rod bolt is welded to the lower surface of the stabilizing plate, and the fixing tie rod bolt has a bolt hole for connecting the tie rod.

[0015] In one embodiment, the ring beam connecting frame includes a ring beam connecting frame side plate, which is welded vertically to the outer side of the frame peripheral wall plate. The ring beam connecting frame side plate is located above the beam support connecting frame side plate, and bolt holes for fixing the ring beam are provided on the ring beam connecting frame side plate.

[0016] In one embodiment, a stabilizing plate is welded between adjacent ring beam connecting frame side plates located on different sides of the upper and lower column docking frames. A fixing tie rod bolt is welded to the upper surface of the stabilizing plate, and the fixing tie rod bolt has a bolt hole for connecting the tie rod.

[0017] In one embodiment, the top column capping frame includes a reinforcing plate 42, a screw 43, and a capping frame peripheral wall plate. Multiple reinforcing plates are arranged in parallel, and the screws penetrate the reinforcing plates vertically and are welded and fixed to the reinforcing plates. The capping frame peripheral wall plate is arranged around the reinforcing plates and forms a cavity with the reinforcing plates. The reinforcing plates have holes for pouring concrete.

[0018] In one embodiment, the top beam support connecting frame includes a top beam support connecting frame side plate and a top beam support connecting frame bottom plate. The top beam support connecting frame side plate is welded vertically to the outer side of the perimeter wall of the capping frame, and bolt holes for fixing the top beam support are provided on the top beam support side plate. The top beam support connecting frame bottom plate is horizontally welded to the outer side of the perimeter wall of the capping frame, and the top beam support connecting frame bottom plate and the top beam support connecting frame side plate form a groove-shaped structure.

[0019] In one embodiment, a reinforcing brace is provided below the bottom plate of the top beam support connecting frame. One side of the reinforcing brace is connected to the bottom plate of the top beam support connecting frame, and the other side is connected to the column unit.

[0020] In one embodiment, a stabilizing plate is welded between adjacent top beam support connecting frame side plates located on different sides of the top column capping frame. A fixing tie rod bolt is welded to the lower surface of the stabilizing plate, and the fixing tie rod bolt has a bolt hole for connecting the tie rod.

[0021] In one embodiment, the column base frame includes a reinforcing plate, a screw, and a bottom frame peripheral wall plate. Multiple reinforcing plates are arranged in parallel, and the screw penetrates the reinforcing plate vertically and is welded and fixed to the reinforcing plate. The bottom frame peripheral wall plate is arranged around the reinforcing plate and forms a cavity with the reinforcing plate. A concrete injection hole is opened on the reinforcing plate.

[0022] In one embodiment, the bottom ring beam connecting frame includes a bottom ring beam connecting frame side plate and a bottom ring beam connecting frame bottom plate. The bottom ring beam connecting frame side plate is welded vertically to the outer side of the bottom frame peripheral wall plate, and bolt holes for fixing the bottom ring beam are provided on the bottom ring beam connecting frame side plate. The bottom ring beam connecting frame bottom plate is horizontally welded to the outer side of the bottom frame peripheral wall plate, and the bottom ring beam connecting frame side plate and the bottom ring beam connecting frame bottom plate form a groove-shaped structure.

[0023] In one embodiment, a reinforcing brace is provided below the bottom plate of the bottom ring beam connecting frame, and a base frame base plate is provided below the reinforcing brace. The base frame base plate is provided with waist-shaped screw holes for fixing to the ground pile.

[0024] In one embodiment, a stabilizing plate is welded between adjacent bottom ring beam connecting frame side plates located on different sides of the column base frame. A fixing tie rod bolt is welded to the upper surface of the stabilizing plate, and the fixing tie rod bolt has a bolt hole for connecting a tie rod.

[0025] According to a second aspect of the present invention, a construction method for a prefabricated steel-concrete building main frame structure is provided, comprising the following steps: Connect and fix the column base frame to the ground pile; Pour concrete into the base frame of the column; Connect the lower end of the lower column unit to the column base frame; Connect the upper and lower column joint frames to the upper end of the lower column unit; Pour concrete into the upper and lower column connection frames and the lower column unit; Connect the lower end of the upper column unit to the upper and lower column docking frame; Connect the top column capping frame to the upper end of the upper column unit; Concrete is poured into the top column capping frame and the upper column unit; Connect both ends of the bottom ring beam to the bottom ring beam connecting frame; Connect both ends of the ring beam to the ring beam connecting frame; Connect both ends of the beam support to the beam support connecting frame; Connect both ends of the top beam support to the top beam support connecting frame.

[0026] The beneficial effects of this invention are as follows: By connecting the various column units through the upper and lower column connection frames, the top column capping frame, each column unit, the upper and lower column connection frames, and the column base frame form an integral column structure, creating a through-cavity that allows concrete to be poured into it. The steel structure after concrete pouring has greater overall strength and stability, while also having a lower overall material cost compared to a pure steel structure. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] The above-described features and advantages of the present invention will be better understood after reading the following detailed description of embodiments of the present disclosure in conjunction with the accompanying drawings. In the drawings, components are not necessarily drawn to scale, and components having similar related characteristics or features may have the same or similar reference numerals.

[0029] Figure 1 This is an overall framework structure diagram of an embodiment of this application; Figure 2 It is an enlarged view of the overall structure of the column, as well as a portion of the top column capping frame, the upper and lower column docking frame, and the column base frame; Figure 3 This is a schematic diagram of the overall structure and a partial enlarged view of the column unit (without the cover plate installed). Figure 4 This is a structural diagram of the column unit (with mounting plate). Figure 5 This is a structural diagram of the upper and lower column connection frame; Figure 6 This is a schematic diagram of the internal structure of the upper and lower column connection frame; Figure 7 This is a structural diagram of the top column capping frame; Figure 8 This is a schematic diagram of the internal structure of the top column capping frame; Figure 9 This is a structural schematic diagram of the column base frame; Figure 10 This is a schematic diagram of the internal structure of the column base frame; Figure 11 This is a structural schematic diagram of the beam support; Figure 12 This is a structural schematic diagram of a ring beam; Figure 13 This is a structural schematic diagram of the top beam support; Figure 14 This is a structural schematic diagram of the bottom ring beam. Detailed Implementation

[0030] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the aspects described below with reference to the accompanying drawings and specific embodiments are merely exemplary and should not be construed as limiting the scope of protection of the present invention in any way.

[0031] like Figure 1 As shown, this application embodiment provides a prefabricated steel-concrete building main frame structure, including columns 1, ring beams 3 overlapping the columns 1, beam supports 2 supporting the ring beams 3, top beam supports 2A connecting the tops of the columns 1, and bottom ring beams 3A connecting the bottoms of the columns 1.

[0032] See Figure 2 In this embodiment, column 1 is formed by two column units 1A and 1B connected vertically by upper and lower column docking frames 4. The number of column units can be designed as needed during actual construction. A beam support connecting frame 5 and a ring beam connecting frame 6 are provided on the outer side of the upper and lower column docking frames 4. Both ends of the ring beam 3 are connected to the ring beam connecting frame 6, and both ends of the beam support 2 are connected to the beam support connecting frame 5. A top column capping frame 7 is provided at the top of column 1, and a top beam support connecting frame 8 is provided on the outer side of the top column capping frame 7. Both ends of the top beam support 2A are connected to the top beam support connecting frame 8. A column base frame 9 is connected to the bottom of column 1, and a bottom ring beam connecting frame 10 is provided on the outer side of the column base frame 9. Both ends of the bottom ring beam 3A are connected to the bottom ring beam connecting frame 10.

[0033] To enhance overall strength, the internal structures of column units 1A and 1B, the upper and lower column connecting frames 4, the top beam support connecting frame 8, and the column base frame 9 form a vertically continuous cavity. Concrete is poured into this cavity, giving the entire component both the high tensile strength of steel and the high compressive strength of concrete. After the concrete is poured, the steel acts as a formwork, and the cured concrete combines with the steel, resulting in improved overall stability of column 1.

[0034] like Figure 3 As shown, multiple stabilizing plates 14 are provided at the top and bottom of the cavities in column units 1A and 1B. Through-rod tubes 13 are welded on the stabilizing plates 14. The upper and lower column docking frames 4, the top column capping frame 7, and the column base frame 9 are all connected to the through-rod tubes 13 of column units 1A and 1B through screws 43. A concrete pouring hole 16 is opened on the stabilizing plate 14.

[0035] In addition, a reinforcing plate 15 is provided in column units 1A and 1B. The reinforcing plate 15 is parallel to the stabilizing plate 14, and a concrete pouring hole 16 is opened on the reinforcing plate 15.

[0036] To facilitate modular assembly, in this embodiment, column units 1A and 1B are welded back-to-back from two C-shaped steel pieces, with each side of column units 1A and 1B having the same width. To facilitate nut installation, the top and bottom of the C-shaped steel are open sections, and the stabilizing plate 14 is located in the open section. In actual manufacturing, the upper and lower sections of the two side panels 11 of the C-shaped steel can be cut off to form a cavity 12. The stabilizing plate 14 with the through rod tube 13 is welded into the cavity 12, and a reinforcing plate 15 is welded in.

[0037] A sealing plate 17 is provided on one open side of the C-shaped steel. After the nuts and bolts are installed, the sealing plate 17 is placed over the open side of the C-shaped steel, so that the sealing plate 17 and the C-shaped steel together form a cavity that is closed on the side and open at both ends. Figure 4 As shown.

[0038] Figure 5 The specific structure of the upper and lower column connection frame 4 is shown. Figure 6 The internal structure of the upper and lower column connection frame 4 is shown. For example... Figure 5 and Figure 6 As shown, the upper and lower column connecting frame 4 includes a reinforcing plate 42, a frame perimeter wall panel 41, and screws 43. Multiple reinforcing plates 42 are arranged in parallel; the specific number can be designed according to needs. Screws 43 vertically penetrate the reinforcing plate 42 and are welded and fixed to it. Both the upper and lower ends of the screws 43 have deep threads 44 for threaded connection with the through-tube 13 in the column unit. The frame perimeter wall panel 41 surrounds the reinforcing plate 42 and forms a cavity with it. A second concrete pouring hole 45 is opened on the reinforcing plate 42.

[0039] A beam support connecting frame 5 and a ring beam connecting frame 6 are provided on the outer side of the upper and lower column docking frame 4. The beam support connecting frame 5 includes a beam support connecting frame side plate 51 and a beam support connecting frame bottom plate 52. The beam support connecting frame side plate 51 is welded vertically to the outer side of the frame perimeter wall panel 41, and bolt holes 510 for fixing the beam support 2 are provided on the beam support connecting frame side plate 51. The beam support connecting frame bottom plate 52 is horizontally welded to the outer side of the frame perimeter wall panel 41, and the beam support connecting frame bottom plate 52 and the beam support connecting frame side plate 51 form a groove-like structure.

[0040] Preferably, in order to improve the load-bearing capacity of the beam support connecting frame base plate 52, a reinforcing brace 53 is provided below the beam support connecting frame base plate 52. One side of the reinforcing brace 53 is welded to the beam support connecting frame base plate 52, and the other side is connected to the column units 1A and 1B by welding or bolts.

[0041] In a possible embodiment, a stabilizing plate 54 is welded between adjacent beam support connecting frame side plates 51 located on different sides of the upper and lower column docking frame 4. A fixing tie rod bolt 55 is welded to the lower surface of the stabilizing plate 54, and a bolt hole 550 for connecting the tie rod 56 is provided on the fixing tie rod bolt 55.

[0042] The ring beam connecting frame 6 includes a ring beam connecting frame side plate 61, which is welded vertically to the outer side of the frame perimeter wall plate 41. The ring beam connecting frame side plate 61 is located above the beam support connecting frame side plate 51. Bolt holes 610 for fixing the ring beam 3 are provided on the ring beam connecting frame side plate 61. Similarly, a stabilizing plate 62 is welded between adjacent ring beam connecting frame side plates 61 located on different sides of the upper and lower column docking frames 4. A fixing tie rod bolt 63 is welded to the upper surface of the stabilizing plate 62. The fixing tie rod bolt 63 has bolt holes 630 for connecting the tie rod 56.

[0043] Figure 7 The specific structure of the top column capping frame 7 is shown. Figure 8 The internal structure of the top column capping frame 7 is shown. (For example...) Figure 7 and Figure 8 As shown, the top column capping frame 7 includes a reinforcing plate 42, a screw rod 43, and a capping frame peripheral wall plate 71. Multiple reinforcing plates 42 are arranged in parallel. The screw rod 43 penetrates the reinforcing plate 42 vertically and is welded and fixed to the reinforcing plate 42. The capping frame peripheral wall plate 71 is arranged around the reinforcing plate 42 and forms a cavity with the reinforcing plate 42. A concrete pouring hole 45 is opened on the reinforcing plate 42.

[0044] A top beam support connecting frame 8 is provided outside the top column capping frame 7. Specifically, the top beam support connecting frame 8 includes a top beam support connecting frame side plate 81 and a top beam support connecting frame bottom plate 82. The top beam support connecting frame side plate 81 is welded vertically to the outside of the capping frame peripheral wall plate 71, and bolt holes 810 for fixing the top beam support 2A are opened on the top beam support connecting frame side plate 81. The top beam support connecting frame bottom plate 82 is horizontally welded to the outside of the capping frame peripheral wall plate 71, and the top beam support connecting frame bottom plate 82 and the top beam support connecting frame side plate 81 form a trough structure.

[0045] In addition, a reinforcing brace 83 can be provided below the bottom plate 82 of the top beam support connecting frame. One side of the reinforcing brace 83 is welded to the bottom plate 82 of the top beam support connecting frame, and the other side is welded or bolted to the column units 1A and 1B.

[0046] Furthermore, a stabilizing plate 84 is welded between adjacent top beam support connecting frame side plates 81 located on different sides of the top column capping frame 7. A fixing tie rod bolt 85 is welded to the lower surface of the stabilizing plate 84, and a bolt hole 850 for connecting the tie rod 56 is opened on the fixing tie rod bolt 85.

[0047] Figure 9 The specific structure of the column base frame 9 is shown. Figure 10 The internal structure of the column base frame 9 is shown, such as Figure 9 and Figure 10As shown, the column base frame 9 includes a reinforcing plate 42, a screw 43, and a bottom frame peripheral wall plate 91. Multiple reinforcing plates 42 are arranged in parallel. The screw 43 penetrates the reinforcing plate 42 vertically and is welded and fixed to the reinforcing plate 42. The bottom frame peripheral wall plate 91 is arranged around the reinforcing plate 42 and forms a cavity with the reinforcing plate 42. A second concrete pouring hole 45 is opened on the reinforcing plate 42.

[0048] A bottom ring beam connecting frame 10 is provided outside the column base frame 9. The bottom ring beam connecting frame 10 includes a bottom ring beam connecting frame side plate 101 and a bottom ring beam connecting frame base plate 102. The bottom ring beam connecting frame side plate 101 is welded vertically to the outside of the bottom frame peripheral wall plate 91, and bolt holes 1010 for fixing the bottom ring beam 3A are opened on the bottom ring beam connecting frame side plate 101. The bottom ring beam connecting frame base plate 102 is horizontally welded to the outside of the bottom frame peripheral wall plate 91. The bottom ring beam connecting frame side plate 101 and the bottom ring beam connecting frame base plate 102 form a groove-shaped structure.

[0049] A reinforcing brace 103 is provided below the bottom plate 102 of the bottom ring beam connecting frame, and a base frame base plate 104 is provided below the reinforcing brace 103. The base frame base plate 104 is provided with waist-shaped screw holes 1040 for fixing with ground piles.

[0050] In addition, a stabilizing plate 105 is welded between adjacent bottom ring beam connecting frame side plates 101 on different sides of the column base frame 9. A fixing tie rod bolt 106 is welded on the upper surface of the stabilizing plate 105. The fixing tie rod bolt 106 has a bolt hole 1060 for connecting the tie rod 56.

[0051] The structure of beam support 2, ring beam 3, top beam support 2A, and bottom ring beam 3A is as follows: Figures 11-14 As shown. See also Figure 1 and Figure 11 The screw holes on the side plate of beam support 2 correspond to and align with the bolt holes 510 on the side plate of beam support connecting frame, and are secured with bolts and nuts 999. (See also...) Figure 1 and Figure 12 The screw holes on the side plate of ring beam 3 correspond and match the bolt holes 610 on the side plate of the ring beam connecting frame, and are fixed with bolts inserted and nuts 999. See also Figure 1 and Figure 13 The screw holes on the side plate of the top beam support 2A correspond to and match the bolt holes 810 on the side plate of the top beam bracket, and are fixed with bolts and nuts 999. See also Figure 1 and Figure 14 The screw holes on the side plate of the bottom ring beam 3A correspond to and match the bolt holes 1010 on the side plate of the bottom ring beam connecting frame. They are connected by bolts and fixed with nuts 999.

[0052] The construction method for the prefabricated steel-concrete building main frame structure provided in this embodiment is as follows: 1. Insert the ground stake bolt into the screw hole 1040 on the column base frame base plate 104, adjust the column base frame to be level and fix it with a nut.

[0053] 2. Pour concrete into the concrete pouring hole 45 on the column base frame 9.

[0054] 3. Connect the through tube 13 at the lower end of the lower column unit to the screw 43 on the column base frame 9, and fix the column to the column base frame 9 with nuts and washers.

[0055] 4. Insert the lower end screw 43 of the upper and lower column connecting frame 4 into the upper end through pipe 13 of the lower column unit, and fix it with a nut. Then install the sealing plate 17 on the two side panels 11 with notches, and pour concrete into the concrete pouring hole 45 of the upper and lower column connecting frame 4. Insert the upper end screw 43 into the through pipe 13 at the lower end of the upper column, and fix it with a nut.

[0056] 5. Insert the lower end screw 43 of the top column capping frame 7 into the through pipe 13 at the upper end of the top column and fix it with a nut. Install the sealing plate 17 on the two side panels 11 with notches and pour concrete into the concrete pouring hole 45 on the top surface of the top column capping frame 7.

[0057] 6. Connect both ends of the bottom ring beam 3A to the bottom ring beam connecting frame 10; connect both ends of the ring beam 3 to the ring beam connecting frame 6; connect both ends of the beam support 2 to the beam support connecting frame 5; connect both ends of the top beam support 2A to the top beam support connecting frame 8.

[0058] 7. Install tie rod 56 and connect both ends of tie rod 56 to the fixing tie rod bolt.

[0059] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0060] The prior description of this disclosure is provided to enable any person skilled in the art to make or use this disclosure. Various modifications to this disclosure will be apparent to those skilled in the art, and the general principles defined herein may be applied to other variations without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not intended to be limited to the examples and designs described herein, but should be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0061] The above description is merely a preferred example of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application shall be included within the scope of protection of this application.

Claims

1. A prefabricated reinforced concrete building main frame structure, comprising columns (1), ring beams (3) overlapping the columns (1), beam supports (2) supporting the ring beams (3), top beam supports (2A) connecting the tops of the columns (1), and bottom ring beams (3A) connecting the bottoms of the columns (1), characterized in that: The column (1) is formed by vertically connecting at least two column units (1A, 1B) through upper and lower column docking frames (4). The upper and lower column docking frames (4) are provided with beam support connecting frames (5) and ring beam connecting frames (6) on the outside. The two ends of the ring beam (3) are connected to the ring beam connecting frames (6), and the two ends of the beam support (2) are connected to the beam support connecting frames (5). The top of the column (1) is provided with a top column capping frame (7), and a top beam support connecting frame (8) is provided on the outside of the top column capping frame (7). The two ends of the top beam support (2A) are connected to the top beam support connecting frame (8). The bottom of the column (1) is connected to a column base frame (9), and a bottom ring beam connecting frame (10) is provided on the outside of the column base frame (9). The two ends of the bottom ring beam (3A) are connected to the bottom ring beam connecting frame (10). The interior of the column unit (1A, 1B), the upper and lower column docking frame (4), the top beam support connecting frame (8), and the column base frame (9) forms a cavity that runs vertically through the interior and is filled with concrete. Multiple stabilizing plates (14) are provided at the top and bottom of the cavity in the column unit (1A, 1B). A through-rod tube (13) is welded on the stabilizing plate (14). The upper and lower column docking frame (4), the top column capping frame (7) and the column base frame (9) are all connected to the through-rod tube (13) of the column unit (1A, 1B) by screws (43). A concrete pouring hole (16) is opened on the stabilizing plate (14).

2. The prefabricated steel-concrete building main frame structure according to claim 1, characterized in that, The upper and lower column connecting frame (4) includes a reinforcing plate (42), a frame peripheral wall plate (41), and a screw (43). The reinforcing plate (42) is arranged in parallel with multiple rows. The screw (43) penetrates the reinforcing plate (42) vertically and is welded and fixed to the reinforcing plate (42). The frame peripheral wall plate (41) is arranged around the reinforcing plate (42) and forms a cavity with the reinforcing plate (42). The reinforcing plate (42) has a second concrete pouring hole (45).

3. The prefabricated steel-concrete building main frame structure according to claim 2, characterized in that, The beam support connecting frame (5) includes a beam support connecting frame side plate (51) and a beam support connecting frame bottom plate (52). The beam support connecting frame side plate (51) is welded vertically to the outside of the frame perimeter wall plate (41). The beam support connecting frame side plate (51) is provided with bolt holes (510) for fixing the beam support (2). The beam support connecting frame bottom plate (52) is horizontally welded to the outside of the frame perimeter wall plate (41). The beam support connecting frame bottom plate (52) and the beam support connecting frame side plate (51) form a groove structure.

4. The prefabricated steel-concrete building main frame structure according to claim 3, characterized in that, The ring beam connecting frame (6) includes a ring beam connecting frame side plate (61), which is welded vertically to the outside of the frame perimeter wall plate (41). The ring beam connecting frame side plate (61) is located above the beam support connecting frame side plate (51), and the ring beam connecting frame side plate (61) is provided with bolt holes (610) for fixing the ring beam (3).

5. The prefabricated steel-concrete building main frame structure according to claim 1, characterized in that, The top column capping frame (7) includes a reinforcing plate (42), a screw (43) and a capping frame peripheral wall plate (71). The reinforcing plate (42) is arranged in parallel with multiple rows. The screw (43) penetrates the reinforcing plate (42) vertically and is welded and fixed to the reinforcing plate (42). The capping frame peripheral wall plate (71) is arranged around the reinforcing plate (42) and forms a cavity with the reinforcing plate (42). The reinforcing plate (42) has a second concrete pouring hole (45).

6. The prefabricated steel-concrete building main frame structure according to claim 5, characterized in that, The top beam support connecting frame (8) includes a top beam support connecting frame side plate (81) and a top beam support connecting frame bottom plate (82). The top beam support connecting frame side plate (81) is welded vertically to the outer side of the capping frame peripheral wall plate (71). The top beam support connecting frame side plate (81) is provided with bolt holes (810) for fixing the top beam support (2A). The top beam support connecting frame bottom plate (82) is horizontally welded to the outer side of the capping frame peripheral wall plate (71). The top beam support connecting frame bottom plate (82) and the top beam support connecting frame side plate (81) form a groove structure.

7. The prefabricated steel-concrete building main frame structure according to claim 1, characterized in that, The column base frame (9) includes a reinforcing plate (42), a screw (43) and a bottom frame peripheral wall plate (91). The reinforcing plate (42) is arranged in parallel with multiple screws (43), which penetrate the reinforcing plate (42) vertically and are welded and fixed to the reinforcing plate (42). The bottom frame peripheral wall plate (91) is arranged around the reinforcing plate (42) and forms a cavity with the reinforcing plate (42). The reinforcing plate (42) has a second concrete pouring hole (45).

8. The prefabricated steel-concrete building main frame structure according to claim 7, characterized in that, The bottom ring beam connecting frame (10) includes a bottom ring beam connecting frame side plate (101) and a bottom ring beam connecting frame bottom plate (102). The bottom ring beam connecting frame side plate (101) is welded vertically to the outside of the bottom frame peripheral wall plate (91). The bottom ring beam connecting frame side plate (101) is provided with bolt holes (1010) for fixing the bottom ring beam (3A). The bottom ring beam connecting frame bottom plate (102) is horizontally welded to the outside of the bottom frame peripheral wall plate (91). The bottom ring beam connecting frame side plate (101) and the bottom ring beam connecting frame bottom plate (102) form a groove structure.

9. A construction method for a prefabricated steel-concrete building main frame structure as described in claim 1, characterized in that, Includes the following steps: Connect and fix the column base frame (9) to the ground pile; Pour concrete into the column base frame (9); Connect the lower end of the lower column unit (1B) to the column base frame (9); Connect the upper and lower column docking frame (4) to the upper end of the lower column unit (1B); Pour concrete into the upper and lower column connection frame (4) and the lower column unit (1B); Connect the lower end of the upper column unit (1A) to the upper and lower column docking frame (4); Connect the top column capping frame (7) to the upper end of the upper column unit (1A); Concrete is poured into the top column capping frame (7) and the upper column unit (1A); Connect both ends of the bottom ring beam (3A) to the bottom ring beam connecting frame (10); Connect both ends of the ring beam (3) to the ring beam connecting frame (6); Connect both ends of the beam support (2) to the beam support connecting frame (5); Connect the two ends of the top beam support (2A) to the top beam support connecting frame (8).

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