A prefabricated UHPC anchor cable frame beam

Abstract

The present invention discloses a prefabricated UHPC anchor cable frame beam, comprising a cross beam, a longitudinal beam, a cross beam component and an anchor cable; the cross beam component comprises an upper part and a lower part which are arranged in a 90° rotational symmetry; the first pad is provided with a first assembly groove, the second pad is provided with a first avoidance groove, and the first plywood is provided with a second avoidance groove; the second pad and the first plywood are placed in the first assembly groove in sequence at the mid-span; the second plywood is placed at the mid-span on the end face of the first plywood away from the second pad, and is arranged parallel to the first pad; both ends of the cross beam and the longitudinal beam are clamped between the second plywood and the first plywood; this solution disassembles the cross beam, vertical beam and cross beam components of the frame beam, which are all prefabricated with UHPC ultra-high performance concrete, so that their structural dimensions are greatly reduced, the weight of each component is no more than 180 kilograms, and each component can be manually assembled, thereby solving the problem of difficult access for transportation and large-scale lifting equipment in mountainous areas.

Description

Technical Field

[0001] The present invention relates to the technical field of rock and soil anchoring engineering, in particular to a prefabricated assembled UHPC anchor cable frame beam. Background Art

[0002] At present, anchor rods (or anchor cables) have been widely used in the reinforcement projects of excavated slopes; anchor rods (or anchor cables) generally use frames as slope suppression components and as reaction components for prestressing.

[0003] The frame is generally made of cast-in-place reinforced concrete. Cast-in-place construction requires processes such as erecting formwork, tying steel bars, and vibrating concrete. It has disadvantages such as many construction processes and a long construction period. In addition, tying steel bars, erecting formwork, and vibrating concrete all require high-altitude operations, which poses risks to quality and safety.

[0004] The main reason is that the prefabricated frame structure is relatively heavy, and most of the slopes in my country are high. In addition, the road conditions in the slope management areas are poor and transportation is difficult. The lifting capacity is also difficult to meet the lifting needs of higher slopes. In fact, during the construction of railways and highways, the slope sections are basically accessed and transported through narrow walkways, and large lifting equipment is difficult to reach the site.

[0005] Therefore, it is necessary to propose an anchor frame beam with low cost, quick construction, safety and reliability to solve the above-mentioned difficulties in the construction of slope protection projects in dangerous mountainous areas. Summary of the Invention

[0006] In the existing technology, the purpose of the present invention is to provide a frame beam that is easy to install and has a reasonable structure.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A prefabricated UHPC anchor cable frame beam comprises transverse beams spaced longitudinally along a slope surface, longitudinal beams spaced transversely along the slope surface, a cross beam component located at the intersection of the transverse beams and the longitudinal beams, and anchor cables anchored to the cross beam component; one end of the anchor cable away from the cross beam component is anchored to a stable rock and soil layer below the slope surface, and the transverse beam and the longitudinal beam are connected to form a whole by the cross beam component;

[0009] The cross beam member includes an upper portion and a lower portion that are arranged in 90° rotational symmetry, and the adjacent ends of the upper portion and the lower portion abut against each other; the upper portion and the lower portion each include a first pad, a second pad, a first clamping plate, and a second clamping plate that are arranged in sequence from the inside to the outside, and the lengths of the first clamping plate and the second clamping plate are both greater than the lengths of the first pad and the second pad;

[0010] The first pad is provided with a first assembly groove adapted to the width of the second pad in the middle of the side surface close to the second pad, the second pad is provided with a first avoidance groove adapted to the width of the first pad in the middle of the side surface close to the first pad, and the first plywood is provided with a second avoidance groove adapted to the width of the first pad in the middle of both sides in the width direction; the second pad and the first plywood are placed in the first assembly groove of the first pad in sequence, and the second pad and the first plywood are connected to the first pad to form a cross-shaped structure; the second plywood is placed in the middle of the span on the end surface of the first plywood away from the second pad, and is arranged parallel to the first pad;

[0011] Both ends of the cross beam and the longitudinal beam abut against the pads provided on the two adjacent cross beam members, and both ends of the cross beam are clamped between the second clamping plate of the upper part and the first clamping plate of the lower part, and both ends of the longitudinal beam are clamped between the first clamping plate of the upper part and the second clamping plate of the lower part;

[0012] Furthermore, the width and length of the first pad are the same as those of the second pad, the length of the first plywood is the same as that of the second plywood; the length of the first plywood is the sum of the length of the first pad and the length of the crossbeam, the thickness of the crossbeam is the sum of the thickness of the first pad and the thickness of the second pad; the lengths of the crossbeam and the longitudinal beam are the same.

[0013] Furthermore, the side of the first pad away from the second splint is flush with the side of the second pad away from the second splint, and the side of the first pad close to the second splint abuts against the end face of the second splint close to the second pad.

[0014] Furthermore, a second assembly groove adapted to the width of the second plywood is provided in the middle of the end face of the first plywood away from the second pad, and the second plywood is placed in the second assembly groove of the first plywood in the middle of the span and connected to the first plywood to form a cross-shaped structure; the end face of the first plywood away from the second pad is flush with the end face of the second plywood away from the second pad.

[0015] Furthermore, the first pad is provided with two first limit strips along its length direction, and the two first limit strips are symmetrically arranged on both sides of the end surface of the first pad away from the second splint; the end surface of the second pad away from the first splint is provided with a first limit groove adapted to the first limit strip, and the first limit strip of the first pad is clamped in the first limit groove of the second pad arranged parallel to the first pad.

[0016] Furthermore, the first clamping plate is provided with a second limiting groove arranged along the length direction of the first clamping plate on one side abutting against the horizontal beam or the longitudinal beam, and the second clamping plate is provided with a second limiting strip arranged along the length direction of the second clamping plate on one side abutting against the horizontal beam or the longitudinal beam;

[0017] The side surfaces of the cross beam and the longitudinal beam close to the first splint are both provided with a third limiting strip adapted to the second limiting groove, and the side surfaces of the cross beam and the longitudinal beam close to the second splint are both provided with a third limiting groove adapted to the second limiting strip;

[0018] The third limiting strips of the cross beam and the longitudinal beam are clamped in the second limiting groove of the first clamping plate, and the second limiting strip of the second clamping plate is clamped in the third limiting groove of the cross beam and the longitudinal beam.

[0019] Furthermore, the cross-sections of the first limiting strip, the second limiting strip and the third limiting strip along their length directions are all in the shape of a semicircle, a trapezoid or a rounded triangle.

[0020] Furthermore, the anchor cable includes a cable body, a pad, an anchor and an anchor pier. One end of the cable body is anchored to the stable rock and soil layer under the slope, and the other end of the cable body is passed through the cross beam component and the pad in sequence. The anchor is used to abut the cross beam component on the slope and clamp the cross beam and longitudinal beam connected to the cross beam component. The anchor is buried in the anchor pier; the first pad, the second pad, the first splint and the second splint are all provided with through holes in the middle for passing the cable body.

[0021] Furthermore, the transverse beam and the longitudinal beam are both I-beams or hollow beams.

[0022] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0023] This solution disassembles the crossbeams, longitudinal beams and cross beam components of the frame beam, all of which are prefabricated with UHPC ultra-high performance concrete, greatly reducing their structural dimensions. The weight of each component is no more than 180 kilograms, and each component can be manually assembled, solving the problem of transportation and the difficulty of large lifting equipment entering mountainous areas.

[0024] This solution consists of six parts: a first pad, a second pad, a first plywood, a second plywood, a crossbeam and a longitudinal beam, and each part is made into a standard part; the components are placed in a certain order and engage with each other, and at the same time, the pad, the crossbeam and the longitudinal beam are clamped between the first plywood and the second plywood, so that the cross beam component forms an integral composite component; wherein, the anchor cable passes through the pad and the plywood, and the anchor is arranged at the intersection of the first plywood and the second plywood; the anchor cable presses the first pad, the second pad, the first plywood and the second plywood through the pad, and at the same time, the crossbeam and the longitudinal beam are also pressed through the first plywood and the second plywood; therefore, the cross beam component, the crossbeam and the longitudinal beam form a composite structure to transfer prestress to the rock and soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of the frame beam of the present invention.

[0027] Figure 2 It is a schematic diagram of the combined structure of the cross beam, longitudinal beam and cross beam components of the present invention.

[0028] Figure 3 Schematic diagram of the internal structure of the frame beam of the present invention.

[0029] Figure 4 It is a schematic diagram of the structural explosion of the cross beam component of the present invention.

[0030] Figure 5 This is a schematic structural diagram of the first cushion block of the present invention.

[0031] Figure 6 This is a schematic structural diagram of the second cushion block of the present invention.

[0032] Figure 7 Schematic diagram of the structure of the first splint of the present invention.

[0033] Figure 8 Schematic diagram of the structure of the second splint of the present invention.

[0034] Figure 9 It is a structural schematic diagram of the cross beam and longitudinal beam of the present invention. DETAILED DESCRIPTION

[0035] 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 any creative efforts shall fall within the scope of protection of the present invention.

[0036] like Figures 1 to 9 As shown in FIG1 , the present invention provides a prefabricated UHPC anchor cable frame beam, comprising cross beams 4 spaced longitudinally along a slope surface 1, longitudinal beams 5 spaced transversely along the slope surface 1, a cross beam member 2 located at the intersection of the cross beams 4 and the longitudinal beams 5, and an anchor cable 3 anchored to the cross beam member 2; one end of the anchor cable 3 away from the cross beam member 2 is anchored to the stable rock and soil layer below the slope surface 1, and the cross beams 4 and the longitudinal beams 5 are connected to form a whole through the cross beam member 2;

[0037] Reference Figure 4-8 As shown, the cross beam member 2 includes an upper half and a lower half arranged in 90° rotational symmetry, and the adjacent ends of the upper half and the lower half abut against each other; the upper half and the lower half each include a first pad 23, a second pad 24, a first clamping plate 22, and a second clamping plate 21 arranged in sequence from the inside to the outside, and the length of the first clamping plate 22 and the second clamping plate 21 are both greater than the length of the first pad 23 and the second pad 24;

[0038] This solution disassembles the cross beam 4, longitudinal beam 5 and cross beam component 2 of the frame beam, all of which are prefabricated with UHPC ultra-high performance concrete, which greatly reduces the structural size and the weight of each component, allowing each component to be manually assembled, thus solving the problem of transportation and difficulty in access for large lifting equipment in mountainous areas.

[0039] Reference Figure 1-8 As shown, the first pad 23 is provided with a first assembly groove 232 that is adapted to the width of the second pad 24 in the middle of the side surface near the second pad 24, and the second pad 24 is provided with a first avoidance groove 242 that is adapted to the width of the first pad 23 in the middle of the side surface near the first pad 23, and the first plywood 22 is provided with a second avoidance groove 221 that is adapted to the width of the first pad 23 in the middle of both sides in the width direction; the second pad 24 and the first plywood 22 are placed in the first assembly groove 232 of the first pad 23 in sequence, and the second pad 24 and the first plywood 22 are connected to the first pad 23 to form a cross-shaped structure; the second plywood 21 is placed in the middle on the end face of the first plywood 22 away from the second pad 24, and is arranged parallel to the first pad 23.

[0040] Among them, both ends of the cross beam 4 and the longitudinal beam 5 are abutted on the pads provided on the two adjacent cross beam components 2, and both ends of the cross beam 4 are clamped between the second plywood 21 of the upper part and the first plywood 22 of the lower part, and both ends of the longitudinal beam 5 are clamped between the first plywood 22 of the upper part and the second plywood 21 of the lower part; at the same time, the length of the first plywood 22 is the sum of the length of the first pad 23 and the length of the cross beam 4, and the thickness of the cross beam 4 is the sum of the thickness of the first pad 23 and the thickness of the second pad 24; at the same time, the lengths of the cross beam 4 and the longitudinal beam 5 are the same.

[0041] This solution is composed of six parts, namely, a first pad 23, a second pad 24, a first plywood 22, a second plywood 21, a crossbeam 4 and a longitudinal beam 5. Each part is made into a standard part. The components are placed in a certain order and engage with each other. At the same time, the pad, the crossbeam 4 and the longitudinal beam 5 are clamped between the first plywood 22 and the second plywood 21, so that the cross beam member 2 forms an integral composite member.

[0042] The cross beam member 2 is composed of four parts: a first spacer 23, a second spacer 24, a first clamping plate 22, and a second clamping plate 21. Therefore, its structure, specifications, and configuration directly affect the installation convenience and flexibility of the cross beam member 2 during prefabrication and transportation. Therefore, its thickness, length, and counterweight are also key factors.

[0043] The thickness of the first plywood 22 and the second plywood 21 affects the height of the center of gravity of the cross beam member 2 to a certain extent, and affects the prestressing force of the cross beam 4 and the longitudinal beam 5. Therefore, in this embodiment, the thickness of the first plywood 22 and the second plywood 21 can be 4 to 8 cm, preferably 6 cm.

[0044] The length and span of the first and second clamping plates 22 and 21 directly affect whether they are convenient to stack during transportation and whether they can constrain the soil on the slope over a large area when installed on the slope surface 1. Therefore, in this embodiment, the length and span of the first and second clamping plates 22 and 21 at opposite ends can be 200 to 400 cm, preferably 300 cm.

[0045] The length span of the first cushion block 23 and the second cushion block 24 directly affects whether they are convenient to stack during transportation, and also affects the span length of the crossbeam 4 and the longitudinal beam 5. Therefore, in this embodiment, the length span of the first cushion block 23 and the second cushion block 24 at opposite ends can be 100 to 200 cm, preferably 150 cm.

[0046] The thickness of the first pad 23 and the second pad 24 affects the height of the center of gravity of the cross beam member 2 to a certain extent, and also affects the bending strength of the cross beam 4 and the longitudinal beam 5 to a certain extent; therefore, in this embodiment, the thickness of the first pad 23 and the second pad 24 can be 10 to 30 cm, preferably 20 cm;

[0047] In addition, in terms of counterweight, the weight of the first pad 23, the second pad 24, the first plywood 22 and the second plywood 21 can be 80 to 180 kg, preferably 150 kg; since weight directly affects the pressure exerted by the cross beam component 2 on the slope 1, and also determines its structural strength and anti-drift ability to a certain extent, and in order to take into account the convenience of transportation, the weight of each component of the cross beam component 2 does not exceed 180 kg, ensuring that manual cooperation can be used for installation, avoiding the problem of requiring large equipment to assist in lifting throughout the process, and improving installation flexibility.

[0048] See also Figure 1As shown, in order to make the overlapping components of the cross beam member 2 tighter, the width and length of the first pad 23 are the same as those of the second pad 24, and the length of the first plywood 22 is the same as that of the second plywood 21; wherein, the side of the first pad 23 away from the second plywood 21 is flush with the side of the second pad 24 away from the second plywood 21, and the side of the first pad 23 close to the second plywood 21 is in contact with the end face of the second plywood 21 close to the second pad 24.

[0049] Furthermore, a second assembly groove 222 that is adapted to the width of the second plywood 21 is provided in the middle of the end surface of the first plywood 22 away from the second pad 24. The second plywood 21 is placed in the second assembly groove 222 of the first plywood 22 in the middle of the span and is connected to the first plywood 22 to form a cross-shaped structure; the end surface of the first plywood 22 away from the second pad 24 is flush with the end surface of the second plywood 21 away from the second pad 24.

[0050] In addition, the first cushion block 23 is provided with two first limit strips 231 along its length direction, and the two first limit strips 231 are symmetrically arranged on both sides of the end surface of the first cushion block 23 away from the second splint 21; the second cushion block 24 is provided with a first limit groove 241 adapted to the first limit strip 231 on the end surface away from the first splint 22, and the first limit strip 231 of the first cushion block 23 is clamped in the first limit groove 241 of the second cushion block 24 arranged parallel to the first cushion block 23.

[0051] The four components of the first pad 23, the second pad 24, the first splint 22 and the second splint 21 are placed in a certain order and engage with each other; this can greatly improve the assembly efficiency of the cross beam component 2, and at the same time, increase the degree of fit between adjacent components, thereby greatly strengthening the prestress transmission between each component, and then forming the cross beam component 2 into an integral composite component.

[0052] Reference Figure 2 、 4 As shown, in order to facilitate the installation of the cross beam member 2 and the cross beam 4 and the longitudinal beam 5, the first plywood 22 is provided with a second limiting groove 223 arranged along the length direction of the first plywood 22 on one side abutting against the cross beam 4 or the longitudinal beam 5, and the second plywood 21 is provided with a second limiting strip 211 arranged along the length direction of the second plywood 21 on one side abutting against the cross beam 4 or the longitudinal beam 5; the side of the cross beam 4 and the longitudinal beam 5 close to the first plywood 22 is provided with a third limiting strip 42 adapted to the second limiting groove 223, and the side of the cross beam 4 and the longitudinal beam 5 close to the second plywood 21 is provided with a third limiting groove 41 adapted to the second limiting strip 211;

[0053] The third limiting strips 42 of the cross beam 4 and the longitudinal beam 5 are clamped in the second limiting groove 223 of the first clamping plate 22 , and the second limiting strips 211 of the second clamping plate 21 are clamped in the third limiting groove 41 of the cross beam 4 and the longitudinal beam 5 .

[0054] Therefore, the crossbeam 4 and the longitudinal beam 5 are limited by the second limiting strip 211 and the third limiting strip 42 respectively in the second limiting groove 223 and the third limiting groove 41, so that the crossbeam 4 and the longitudinal beam 5 can be quickly assembled; at the same time, the contact surfaces of the crossbeam 4 and the longitudinal beam 5 are fixed by mortar bonding, thereby greatly improving the connection strength between the crossbeam 4 and the longitudinal beam 5, and facilitating the operation of applying prestress to the anchor cable 3.

[0055] Reference Figure 2 、 4 As shown, the cross-sections of the first limiting strip 231, the second limiting strip 211 and the third limiting strip 42 along their length directions are all semicircular, trapezoidal or rounded triangles; the limitation of the first limiting strip 231, the second limiting strip 211 and the third limiting strip 42 facilitates the assembly of the cross beam component 2, the cross beam 4 and the longitudinal beam 5; at the same time, the first limiting strip 231, the second limiting strip 211 and the third limiting strip 42 can also be used as structural reinforcement ribs, which greatly enhances the bending strength of each component along its length direction.

[0056] Reference Figure 2 、 9 As shown, the crossbeam 4 and the longitudinal beam 5 are both I-beams or hollow beams; the crossbeam 4 and the longitudinal beam 5 are I-beams, which reduce the weight of the crossbeam 4 and the longitudinal beam 5 without reducing the bending strength of the crossbeam 4 and the longitudinal beam 5, so that the crossbeam 4 and the longitudinal beam 5 can effectively transfer prestress; in addition, the crossbeam 4 and the longitudinal beam 5 can also be hollow beams, and the hollow beam can be spliced ​​by two symmetrically arranged trough beams; among them, the third limiting groove 41 and the third limiting strip 42 are both arranged on the side panels of the two trough beams, and the crossbeam 4 and the longitudinal beam 5 can further reduce the weight of the crossbeam 4 and the longitudinal beam 5 without affecting their structural strength.

[0057] Reference Figure 2 、 4 As shown, the anchor cable 3 includes a cable body 31, a pad 32, an anchor and an anchor pier 33. One end of the cable body 31 is anchored to the stable rock and soil layer under the slope surface 1, and the other end of the cable body 31 passes through the cross beam member 2 and the pad 32 in sequence. The anchor is used to abut the cross beam member 2 on the slope surface 1 and clamp the cross beam 4 and longitudinal beam 5 connected to the cross beam member 2. The anchor is buried in the anchor pier 33.

[0058] Through holes 34 for passing the cable body 31 are provided in the middle of the first cushion block 23, the second cushion block 24, the first clamping plate 22 and the second clamping plate 21. On the one hand, it can ensure that the center of gravity is relatively located on a perpendicular midline. On the other hand, it can also ensure that each component of the cross beam member 2 has a good relative bonding surface, thereby improving the reliability of relative fixation.

[0059] Among them, the anchor cable 3 passes through the pad and the plywood, and the anchor is set at the intersection of the first plywood 22 and the second plywood 21; the anchor cable presses the first pad 23, the second pad 24, the first plywood 22 and the second plywood 21 through the pad, and at the same time presses the cross beam 4 and the longitudinal beam 5 through the first plywood 22 and the second plywood 21; therefore, the cross beam component 2, the cross beam 4 and the longitudinal beam 5 form a composite structure to transfer prestress to the rock and soil.

[0060] The installation method of the frame beam includes the following steps:

[0061] (1) Six components, namely, the first pad 23, the second pad 24, the first splint 22, the second splint 21, the crossbeam 4, and the longitudinal beam 5, are prefabricated in a factory using UHPC ultra-high performance concrete, and the materials are transported to the construction site using small machinery such as a winch or manually.

[0062] (2) In the slope area 1 corresponding to the anchor cable 3, a groove is dug according to the outline of the frame beam, and then leveled to form an installation surface;

[0063] (3) Place the cross beam component 2, the cross beam 4 and the longitudinal beam 5 on the installation surface in the order of their structures; wherein, the first pad 23, the second pad 24, the first clamping plate 22 and the second clamping plate 21 sequentially pass the cable body 31 through the through hole 34, and apply mortar on the contact surface between each component (the thickness of the mortar shall not exceed 1 / 4 of the depth of the limit groove).

[0064] (4) Install the pad 32 and the anchor in sequence on the upper end surface of the second clamping plate 21 of the upper half, and then tension the tail end of the cable body 31 with a jack to apply pre-pressure;

[0065] (5) After being tensioned to a preset preload, the cable body 31 is locked, and then the exposed cable body 31 is cut off according to preset requirements, and the anchor is sealed, that is, the anchor pier 33 is set.

[0066] In summary, the present invention cleverly splits the traditional frame beam structure into multiple prefabricated anchoring components that can be stacked and installed, and then forms them using UHPC materials. This allows them to be directly stacked and assembled into a whole on site after grooving and leveling at the construction site. All parts are standard parts and can be installed manually on the slope, greatly improving the efficiency of slope anchoring.

[0067] In addition, the present invention adopts an ingenious frame beam structure to reduce its weight while strengthening the structural strength of the frame beam; the frame beam can realize a large-span slope protection structure, thereby reducing the installation density of the anchor cable 3 and further reducing the cost of the slope protection structure.

[0068] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A prefabricated UHPC anchor cable frame beam, comprising cross beams (4) arranged at intervals along the longitudinal direction of a slope surface (1), longitudinal beams (5) arranged at intervals along the transverse direction of the slope surface (1), a cross beam component (2) located at the intersection of the cross beams (4) and the longitudinal beams (5), and an anchor cable (3) anchored to the cross beam component (2); one end of the anchor cable (3) away from the cross beam component (2) is anchored to a stable rock and soil layer below the slope surface (1), and the cross beams (4) and the longitudinal beams (5) are connected to form a whole through the cross beam component (2); characterized in that: The cross beam component (2) comprises an upper half and a lower half arranged in a 90° rotational symmetry, and the adjacent ends of the upper half and the lower half abut against each other; the upper half and the lower half both comprise a first pad (23), a second pad (24), a first splint (22) and a second splint (21) arranged in sequence from the inside to the outside, and the lengths of the first splint (22) and the second splint (21) are both greater than the lengths of the first pad (23) and the second pad (24); the thicknesses of the first splint (22) and the second splint (21) are both 4 to 8 cm, the length spans at opposite ends of the first splint (22) and the second splint (21) are 200 to 400 cm, the length spans at opposite ends of the first splint (23) and the second splint (24) are 100 to 200 cm, and the thicknesses of the first splint (23) and the second splint (24) are 10 to 30 cm; The first pad (23) is provided with a first assembly groove (232) adapted to the width of the second pad (24) in the middle of the side surface close to the second pad (24); the second pad (24) is provided with a first avoidance groove (242) adapted to the width of the first pad (23) in the middle of the side surface close to the first pad (23); the first splint (22) is provided with a second avoidance groove (221) adapted to the width of the first pad (23) in the middle of both sides in the width direction; the second pad (24) and the first splint (22) are successively placed in the first assembly groove (232) of the first pad (23) in the middle, and the second pad (24) and the first splint (22) are connected to the first pad (23) to form a cross-shaped structure; the second splint (21) is placed in the middle on the end surface of the first splint (22) away from the second pad (24), and is arranged parallel to the first pad (23); Both ends of the cross beam (4) and the longitudinal beam (5) abut against pads provided on two adjacent cross beam members (2), and both ends of the cross beam (4) are clamped between the second clamping plate (21) of the upper part and the first clamping plate (22) of the lower part, while both ends of the longitudinal beam (5) are clamped between the first clamping plate (22) of the upper part and the second clamping plate (21) of the lower part.

2. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The width and length of the first pad (23) are the same as those of the second pad (24); the length of the first splint (22) is the same as that of the second splint (21); the length of the first splint (22) is the sum of the length of the first pad (23) and the length of the crossbeam (4); the thickness of the crossbeam (4) is the sum of the thickness of the first pad (23) and the thickness of the second pad (24); the crossbeam (4) and the longitudinal beam (5) are the same in length.

3. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The side of the first pad (23) away from the second clamping plate (21) is flush with the side of the second pad (24) away from the second clamping plate (21), and the side of the first pad (23) close to the second clamping plate (21) abuts against the end face of the second clamping plate (21) close to the second pad (24).

4. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: A second assembly groove (222) adapted to the width of the second splint (21) is provided in the middle of the end face of the first splint (22) away from the second cushion block (24); the second splint (21) is placed in the second assembly groove (222) of the first splint (22) in the middle of the span and connected to the first splint (22) to form a cross-shaped structure; the end face of the first splint (22) away from the second cushion block (24) is flush with the end face of the second splint (21) away from the second cushion block (24).

5. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The first pad (23) is provided with two first limiting strips (231) along its length direction, and the two first limiting strips (231) are symmetrically arranged on both sides of the end surface of the first pad (23) away from the second splint (21); the second pad (24) is provided with a first limiting groove (241) adapted to the first limiting strip (231) on the end surface away from the first splint (22), and the first limiting strip (231) of the first pad (23) is clamped in the first limiting groove (241) of the second pad (24) arranged parallel to the first pad (23).

6. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The first clamping plate (22) is provided with a second limiting groove (223) arranged along the length direction of the first clamping plate (22) on one side abutting against the cross beam (4) or the longitudinal beam (5); the second clamping plate (21) is provided with a second limiting strip (211) arranged along the length direction of the second clamping plate (21) on one side abutting against the cross beam (4) or the longitudinal beam (5); The side surfaces of the cross beam (4) and the longitudinal beam (5) close to the first clamping plate (22) are both provided with a third limiting strip (42) adapted to the second limiting groove (223); the side surfaces of the cross beam (4) and the longitudinal beam (5) close to the second clamping plate (21) are both provided with a third limiting groove (41) adapted to the second limiting strip (211); The third limiting strips (42) of the cross beam (4) and the longitudinal beam (5) are clamped in the second limiting groove (223) of the first clamping plate (22), and the second limiting strips (211) of the second clamping plate (21) are clamped in the third limiting grooves (41) of the cross beam (4) and the longitudinal beam (5).

7. The prefabricated UHPC anchor cable frame beam according to any one of claims 5 or 6, characterized in that: The cross sections of the first limiting strip (231), the second limiting strip (211) and the third limiting strip (42) along their length directions are all in the shape of a semicircle, a trapezoid or a rounded triangle.

8. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The anchor cable (3) comprises a cable body (31), a pad (32), an anchor and an anchor pier (33); one end of the cable body (31) is anchored to a stable rock and soil layer under the slope surface (1); the other end of the cable body (31) is passed through the cross beam component (2) and the pad (32) in sequence; the anchor is used to abut the cross beam component (2) against the slope surface (1) and clamp the cross beam (4) and the longitudinal beam (5) connected to the cross beam component (2); the anchor is buried in the anchor pier (33); the first pad (23), the second pad (24), the first splint (22) and the second splint (21) are all provided with a through hole (34) for passing the cable body (31).

9. The prefabricated UHPC anchor cable frame beam according to claim 1, characterized in that: The cross beam (4) and the longitudinal beam (5) are both I-beams or hollow beams.

Images