Top side composite reinforcing structure adaptive to steel structure beam column joint

Abstract

The utility model discloses a top side composite reinforcing structure adaptive to a steel structure beam-column joint, belongs to the field of buildings, and aims to solve the problem that no standardized treatment measure for performing all-dimensional rapid emergency reinforcing on the steel structure top beam-column joint exists at present. The square steel column comprises a square steel column, four H-shaped steel beams, a top reinforcing piece and four side reinforcing pieces, the four outer side walls of the square steel column are each fixedly connected with one H-shaped steel beam, the four H-shaped steel beams are all arranged close to the top end of the square steel column, and a cross-shaped partition plate is arranged at the top end of the square steel column; a square semi-groove is formed between each L-shaped outer side wall in the cross-shaped partition plate and the top end of the square steel column, top reinforcing pieces are arranged on the cross-shaped partition plate and the four square semi-grooves, clamping gaps are formed between the top reinforcing pieces and the square steel column, and a side reinforcing piece is arranged between the outer side wall of the square steel column and every two adjacent H-shaped steel beams. The top of each side reinforcing piece is arranged in the clamping gap close to the side reinforcing piece, and each side reinforcing piece is detachably connected with the two H-shaped steel beams adjacent to the side reinforcing piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure reinforcing structure field, concretely is a kind of top side composite reinforcing structure suitable for steel structure beam column joint. BACKGROUND

[0002] Steel structure refers to the building structure with steel as main component, and is formed into stable whole by welding, bolt connection and other ways.Compared with traditional concrete structure, steel structure has higher strength and rigidity to bear larger load, and is relatively light in weight, facilitating transportation and construction, and in production aspect, steel structure is installed fast, can effectively shorten the project period, and in transportation process, attention should be paid to safety, firm disassembly, and in installation process, it needs to be accurately measured, lofted and positioned.In building industry, steel structure is also a new and efficient building mode, which decomposes building into multiple standard three-dimensional space modules, and these modules are prefabricated in factory and then transported to site for assembly, and steel structure adopts factory prefabrication and on-site assembly mode, greatly shortens on-site construction time.Among them, steel structure is usually used in residence, and it has good anti-seismic performance, fireproof performance and environmental protection performance.But in the face of rare strong earthquake, steel structure can also be locally damaged, especially the beam column joint of steel structure, mainly because under the action of strong earthquake, stress is concentrated at beam column joint, and it is prone to deformation, especially the reinforcing mode of top beam column joint in steel structure whole, which can cause uneven overall load and security risk, single top reinforcing mode can only increase top load, and cannot effectively combine with each side of top beam column joint, which also affects the quality of reinforcement, and reinforcing operation procedure is convenient, and it is beneficial to promote the standardization of reinforcing operation procedure, and for some emergency rapid reinforcement projects, the cycle of current reinforcing operation procedure is mostly long, and cannot meet these reinforcement requirements, and there is currently lack of emergency reinforcement measures for reinforcing top beam column joint of steel structure. SUMMARY

[0003] The utility model aims at providing a kind of top side composite reinforcing structure suitable for steel structure beam column joint, can effectively reinforce the beam column joint of top in steel structure in all directions fast, to improve stability, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a top side composite reinforcing structure of adapting steel structure beam column joint, including square steel column, four H type steel beams, top reinforcing piece and four side reinforcing pieces, one H type steel beam is fixedly connected on four outer lateral walls of square steel column respectively, four H type steel beams all are close to the top of square steel column and set up, the top of square steel column is provided with cross -shaped baffle, forms square half -groove between every L shape outer lateral wall of cross -shaped baffle and the top of square steel column, and top reinforcing piece is cooperated and is set up on cross -shaped baffle and four square half -grooves, and forms the clamping gap that cooperates with side reinforcing piece between top reinforcing piece and square steel column, and one side reinforcing piece is set up between the outer lateral wall of square steel column and adjacent two H type steel beams, and the top of every side reinforcing piece sets in its close clamping gap, and every side reinforcing piece is detachably connected with adjacent two H type steel beams.

[0006] Compared with the prior art, the utility model has the beneficial effects that:

[0007] 1、the top side composite reinforcing structure of steel structure beam column joint in the utility model can effectively clamp and reinforce the top and four sides of the beam column joint of steel structure through the cooperation between square steel column, four H type steel beams, top reinforcing piece and four side reinforcing pieces, thereby improving the uniformity of beam column joint reinforcing strength and benefiting the overall improvement of the stability and load bearing capacity of beam column joint.

[0008] 2、the utility model is convenient to assemble and has low operation difficulty, is suitable for the reinforcing requirement of emergency and rapidity, and based on the installation of top reinforcing piece, the clamping gap formed between top reinforcing piece, cross -shaped baffle and square steel top surface ensures that every side reinforcing piece is provided with an installation reference position, every side reinforcing piece is installed at the reference installation position of abutting the outer end corner of square steel column when reinforcing itself, can effectively connect adjacent two H type steel beams, the structure characteristics of top reinforcing piece, cross -shaped baffle and side reinforcing piece benefit the formation of rapid control position assembly mode, simultaneously strengthen the compression area and improve the bending resistance of beam column joint. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the overhead structure schematic diagram of the utility model;

[0010] Figure 2 It is the three -dimensional structure schematic diagram of the connecting relationship between top reinforcing piece, square steel column and H type steel beam;

[0011] Figure 3 It is the side view structure schematic diagram of the connecting relationship between H type steel beam, first right angle plate, second right angle plate, connecting rod and first nut;

[0012] Figure 4 It is a side view structure schematic diagram of the utility model;

[0013] Figure 5 It is a three-dimensional structure schematic diagram of the connecting relationship between the square steel column, the square half groove, the cross-shaped partition plate, the upper wing and the lower wing;

[0014] Figure 6 It is a three-dimensional structure schematic diagram of the connecting relationship between the square steel column, the square half groove, the cross-shaped partition plate, the upper wing and the lower wing;

[0015] Figure 7 It is a three-dimensional structure schematic diagram of the connecting relationship between the square steel column, the square half groove, the cross-shaped partition plate, the upper wing, the lower wing, the first right-angle plate and the second right-angle plate;

[0016] Figure 8 It is a three-dimensional structure schematic diagram of the connecting relationship between the square steel column, the H-shaped steel beam, the square plate, the cross-shaped partition plate, the second right-angle plate and the connecting rod;

[0017] Figure 9 It is a three-dimensional structure schematic diagram of the utility model.

[0018] In the drawing: 1-square steel column; 2-H-shaped steel beam; 2-1-upper wing; 2-2-lower wing; 3-square half groove; 4-cross-shaped partition plate; 5-square plate; 6-first right-angle plate; 6-1-first main plate body; 6-1-1-first half groove; 8-first threaded hole; 9-third threaded hole; 10-second threaded hole; 12-second right-angle plate; 12-1-second main plate body; 12-1-1-second half groove; 12-2-bottom plate; 12-3-Γ-shaped gap; 14-connecting rod; 16-first nut; 17- supporting plate; 18-second nut; 20-overhead reinforcing part; 21-clamping gap. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] As mentioned in the background art of the present application, it has been found through research that the beam-column joint of the existing steel structure lacks reinforcing structure, is not strong in stability, is easy to deform and damage, and has certain defects.

[0021] In order to solve the above-mentioned defects, the utility model discloses a top-side composite reinforcing structure suitable for the beam-column joint of the steel structure, which can effectively reinforce the beam-column joint of the steel structure, thereby improving the stability. DETAILED DESCRIPTION

[0022] Specific implementation method one: combination Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 This embodiment is described, which comprises a square steel column 1, four H-shaped steel beams 2, a top reinforcing member 20 and four side reinforcing members. The square steel column 1 is fixedly connected with an H-shaped steel beam 2 on each of the four outer side walls, and the four H-shaped steel beams 2 are arranged close to the top end of the square steel column 1. The top end of the square steel column 1 is provided with a cross-shaped partition plate 4, and a square semislit 3 is formed between each L-shaped outer side wall of the cross-shaped partition plate 4 and the top end of the square steel column 1. The top reinforcing member 20 is arranged in cooperation with the cross-shaped partition plate 4 and the four square semislits 3. The clamping gap 21 matched with the side reinforcing members is formed between the top reinforcing member 20 and the square steel column 1. One side reinforcing member is arranged between the outer side wall of the square steel column 1 and the adjacent two H-shaped steel beams 2. The top of each side reinforcing member is arranged in the clamping gap 21 close to it, and each side reinforcing member is detachably connected with the adjacent two H-shaped steel beams 2.

[0023] Further, on the basis of the installation of the square steel column 1 and the top reinforcing member 20, the four side reinforcing members can be quickly installed on the structure through the clamping gap 21, so as to ensure the accuracy of the installation position of the four side reinforcing members and the relative position relationship of the four side reinforcing members. The cross-shaped partition plate 4 is arranged at the top end of the square steel column 1, and the four side reinforcing members are installed at the top end of the square steel column 1 through the square semislits 3 and connected by bolts, so as to ensure the installation stability of the four side reinforcing members and facilitate disassembly and reinstallation. The contact area between the square steel column 1 and the four H-shaped steel beams 2 in the beam-column joint is increased through the cooperation of the top reinforcing member 20 and the four side reinforcing members, which is beneficial to uniformly improve the connection strength, so as to improve the reinforcing strength and stiffness of the beam-column joint as a whole.

[0024] Specific embodiment two: the further limitation of the specific embodiment one, each side reinforcement includes a square plate 5, a first right-angled plate 6, a second right-angled plate 12 and two connecting rods 14, the first right-angled plate 6 and the second right-angled plate 12 are arranged horizontally in turn from top to bottom, and the two connecting rods 14 are vertically arranged between the first right-angled plate 6 and the second right-angled plate 12, the upper end of each connecting rod 14 is arranged on the first right-angled plate 6, and the lower end of each connecting rod 14 is detachably connected with the second right-angled plate 12, one end of the square plate 5 is arranged in the clamping gap 21 close to it, the bottom of the square plate 5 is connected with the first right-angled plate 6, and each end of the first right-angled plate 6 is connected with the upper wing 2-1 of the H-shaped steel beam 2 close to it, and each end of the second right-angled plate 12 is clamped and matched with the lower wing 2-2 of the H-shaped steel beam 2 close to it.

[0025] Further, one end of the square plate 5 is connected with the clamping gap 21 by inserting or laying, so as to realize the arrangement and connection process of the side reinforcement between the square steel column 1 and the top reinforcement 20, and meanwhile, the corresponding reinforcement structure is arranged in the corner area between each H-shaped steel beam 2 and close to the square steel column 1 by the cooperation between the first right-angled plate 6, the second right-angled plate 12 and the connecting rod 14, so as to enhance the stability and carrying capacity of the overall steel structure.

[0026] Further, when the square plate 5 is inserted into the clamping gap 21, it can be connected by bolts to avoid falling off during the connection process, and it is convenient for installation and disassembly.

[0027] Specific embodiment three: the further limitation of the specific embodiment one or two, the first right-angled plate 6 includes a first main plate body 6-1, and two first half grooves 6-1-1 are formed at both ends of the first main plate body 6-1 respectively, the bottom of each first half groove 6-1-1 is tightly attached to the lower side of the upper wing 2-1 of the H-shaped steel beam 2 close to it, and the inner end of each first half groove 6-1-1 is tightly attached to the outer wall of the upper wing 2-1 of the H-shaped steel beam 2 close to it.

[0028] Further, the top surface of the first main plate body 6-1 is provided with a square plate 5, wherein the first main plate body 6-1 is an L-shaped plate body, when the square plate 5 is inserted into the clamping gap 21, the first half groove 6-1-1 on the first main plate body 6-1 is tightly attached to the lower side of the upper wing 2-1 of the H-shaped steel beam 2, and the inner groove of the first half groove 6-1-1 is tightly attached to the outer wall of the upper wing 2-1, so as to improve the stability of the reinforced overall beam-column joint.

[0029] Specific embodiment four: this embodiment is a further limitation of specific embodiments one, two or three, the second right-angle plate 12 includes a second main plate body 12-1 and a bottom plate 12-2, both of which are L-shaped plate bodies, the bottom plate 12-2 is arranged directly below the second main plate body 12-1, and the two ends of the second main plate body 12-1 are respectively machined with a second half slot 12-1-1, the bottom of each second half slot 12-1-1 is tightly attached to the upper side of the lower wing 2-2 of the H-shaped steel beam 2 close to it, and the inner end of each second half slot 12-1-1 is tightly attached to the outer wall of the lower wing 2-2 of the H-shaped steel beam 2 close to it, and the upper side of the bottom plate 12-2 is tightly attached to the bottom side of the second main plate body 12-1 and the lower side of the lower wing 2-2 of the two H-shaped steel beams 2 respectively.

[0030] Further, the upper end of each connecting column 14 is fixedly connected with the first main plate body 6-1, and the lower end of each connecting column 14 is detachably connected with the second main plate body 12-1 and the bottom plate 12-2, wherein the second half slot 12-1-1 on the second main plate body 12-1 is tightly attached to the upper side of the lower wing 2-2 of the H-shaped steel beam 2, and the bottom plate 12-2 is tightly attached to the lower side of the lower wing 2-2 of the two H-shaped steel beams 2 through the connecting column 14, thereby ensuring that the second main plate body 12-1 and the bottom plate 12-2 keep the lower wing 2-2 in a stable clamping connection state, thereby enhancing the stability and compression capacity of the beam-column joint.

[0031] Specific embodiment five: this embodiment is a further limitation of specific embodiments one, two, three or four, the second right-angle plate 12 is an L-shaped plate body, and the two ends of the second right-angle plate 12 are respectively machined with a H-shaped notch 12-3, and the opening end of the H-shaped notch 12-3 is arranged towards the lower wing 2-2 of the H-shaped steel beam 2 close to it.

[0032] Further, the second right-angle plate 12 is detachably connected with the lower end of each connecting column 14, and the H-shaped notch 12-3 on the second right-angle plate 12 is used to connect the lower wing 2-2 of the H-shaped steel beam 2 close to it, and the connecting column 14 is used to install the first right-angle plate 6 between the outer side wall of the square steel column 1 and the adjacent two H-shaped steel beams 2, thereby ensuring that the load-bearing capacity of the beam-column joint can be enhanced, the stress area of each outer side of the square steel column 1 can be improved, a uniform reinforcement structure of each outer side of the square steel column 1 can be formed, the uniformity of the entire steel structure reinforcement can be improved, and the balance of the reinforcement of the top and four sides of the beam-column joint can be ensured.

[0033] Further, the second right-angle plate 12 is an integral plate body or a self-assembled plate body, which is combined with Figure 8As shown, when the second right-angle plate 12 is a self-assembled plate body, it includes an upper plate and a lower plate, the lower plate is a component structure that constitutes the top of any one of the two N-shaped openings 12-3, and the N-shaped opening 12-3 is in a fixed structure form, and the other N-shaped opening 12-3 is formed by subsequent assembly, which is convenient for corresponding assembly in the case that the external assembly space of the steel structure beam-column joint is insufficient, realizes that after one N-shaped opening 12-3 is connected with one lower wing 2-2, the other lower wing 2-2 is connected with the lower plate of the subsequent assembly through the other end of the upper plate to form the structure of the other N-shaped opening 12-3, which is used to clamp the lower wing 2-2, and finally connected through bolts, which is convenient for improving the multi-position clamping process under the effective assembly space and is beneficial to improve the rapid assembly performance.

[0034] Specific embodiment six: the top reinforcing member 20 is a rectangular plate body, each square plate 5 is provided with a first threaded hole 8 along the thickness direction of the plate, the top reinforcing member 20 is provided with a plurality of second threaded holes 10 along the thickness direction of the plate, the second threaded hole 10 is coaxially connected with the first threaded hole 8 one by one, and the groove bottom of each square half groove 3 is processed with a third threaded hole 9, which is coaxially connected with the first threaded hole 8 one by one.

[0035] Further, the square plate 5 on each side reinforcing member is connected with the clamping gap 21 by insertion or laying, the first right-angle plate 6 is connected with the square plate 5, the first right-angle plate 6 and the second right-angle plate 12 are inserted on the upper wing 2-1 and the lower wing 2-2 of the H-shaped steel beam 2 respectively, and the first right-angle plate 6 and the second right-angle plate 12 are connected through the connecting column 14, which ensures that the reinforcing structure can be conveniently installed and disassembled during the connection process, and the top reinforcing member 20 and the square plate 5 are installed on the square steel column 1 by cooperating with the first threaded hole 8, the second threaded hole 10 and the third threaded hole 9 through the bolt, which can also play a supporting and reinforcing role, realizes a reasonable assembly connection process, and avoids the situation that the assembly process does not meet the standard extrusion deformation.

[0036] Specific embodiment seven: the bottom of each square half groove 3 is flush with the top side of the H-shaped steel beam 2.

[0037] Further, the square plate 5 can be connected with the groove bottom of the square half groove 3, and the installation and disassembly of the square plate 5 can be facilitated by cooperating with the first threaded hole 8 and the third threaded hole 9 through the bolt, and the multi-position horizontal and vertical stability of the first right-angle plate 6, the second right-angle plate 12 and the H-shaped steel beam 2 during connection can be increased when the square plate 5 is installed in the square half groove 3.

[0038] Specific embodiment eight: the further limitation of the specific embodiment one, two, three, four, five, six or seven, each connecting rod 14 is a screw rod, the lower end of each screw rod is matched with a first nut 16, the lower end of each connecting rod 14 is connected with the corresponding first nut 16 after passing through the second right angle plate 12, and the first nut 16 is attached to the bottom surface of the second right angle plate 12.

[0039] Further, the top end of each connecting rod 14 is connected with the first right angle plate 6, and the second half slot 12-1-1 on the second right angle plate 12 is attached to the lower wing 2-2 of the H-shaped steel beam 2, so that the lower end of each connecting rod 14 is fixed through the first nut 16 after passing through the second right angle plate 12, thereby ensuring that each connecting rod 14 supports the first right angle plate 6 and the second right angle plate 12 on the H-shaped steel beam 2, and the first right angle plate 6 and the second right angle plate 12 can be installed and disassembled through the first nut 16.

[0040] Specific embodiment nine: the further limitation of the specific embodiment one, two, three, four, five, six, seven or eight, the two second right angle plates 12 on the same H-shaped steel beam 2 are connected through a supporting plate 17, each connecting rod 14 is a screw rod, the lower end of each screw rod is matched with a second nut 18, and the lower end of each screw rod is connected with the corresponding second nut 18 after passing through the second right angle plate 12 and the supporting plate 17 in turn, and the second nut 18 is attached to the bottom surface of the supporting plate 17.

[0041] Further, the supporting plate 17 is a horizontal plate, which is between the bottoms of the two second right angle plates 12 on the same H-shaped steel beam 2 and can simultaneously support the two second right angle plates 12 and the corresponding two H-shaped steel beams 2, and the supporting plate 17 is connected at the bottoms of the two second right angle plates 12 by cooperating the second nut 18 with the connecting rod 14, thereby ensuring the multidirectional stability of the two second right angle plates 12 during reinforcing the H-shaped steel beam 2, improving the firmness of the side reinforcing member clamping the H-shaped steel beam 2 from the reinforcing root position of the side reinforcing member, and facilitating installation and disassembly.

[0042] The working principle of the utility model is: the top end of the square steel column 1 is provided with a cross-shaped partition plate 4, the cross-shaped partition plate 4 is provided with a top reinforcing member 20, a clamping gap 21 is formed between the square steel column 1 and the top reinforcing member 20, each side reinforcing member is inserted between the square steel column 1 and the top reinforcing member 20 through the clamping gap 21, and each side reinforcing member can also be put into the square half slot 3, and the top reinforcing member 20 is buckled on the square steel column 1 to realize the process of being clamped and fixed at the top, and finally connected through bolts.

[0043] The utility model discloses a kind of installation process: square plate 5 on each side reinforcement is placed into square half slot 3, while every first half slot 6-1-1 on first right-angle plate 6 is stuck to the upper wing 2-1 of H-shaped steel beam 2, then the top end of every connecting rod 14 is connected with first right-angle plate 6, then every second half slot 12-1-1 on second right-angle plate 12 and bottom plate are matched to stick to the lower wing 2-2 of H-shaped steel beam 2, top reinforcement 20 is installed on square steel column 1, the arrangement position of square plate 5 is fixed, then the lower end of every connecting rod 14 is fixed by first nut 16 by passing through second right-angle plate 12, while square plate 5 reaches specified position in square half slot 3, second threaded hole 10 on top reinforcement 20, first threaded hole 8 on square plate 5 and third threaded hole 9 on square half slot 3 are aligned up and down, and are fixed by screw, top reinforcement 20 and side reinforcement are installed at this time.

Claims

1. A top side composite reinforcement structure adapted to reinforce a beam-column joint of a steel structure, characterized by: The utility model provides a square steel column (1), four H type steel beams (2), top reinforcing part (20) and four side reinforcing parts, four outer side walls of square steel column (1) are fixedly connected with H type steel beam (2) respectively, four H type steel beams (2) are close to the top of square steel column (1) and are arranged, and the top of square steel column (1) is provided with cross-shaped baffle (4), every L shape outer side wall and the top of square steel column (1) between cross-shaped baffle (4) form square half slot (3), and top reinforcing part (20) is cooperatively arranged on cross-shaped baffle (4) and four square half slots (3), and the clamping gap (21) that cooperates with side reinforcing part is formed between top reinforcing part (20) and square steel column (1), the outer side wall of square steel column (1) and the adjacent two H type steel beams (2) are provided with a side reinforcing part, and the top of every side reinforcing part is arranged in its adjacent clamping gap (21), and every side reinforcing part is detachably connected with the adjacent two H type steel beams (2).

2. The top side composite strengthening structure for adapting the beam-column joint of steel structure according to claim 1, characterized in that: Every side reinforcing part includes square plate (5), first right angle plate (6), second right angle plate (12) and two connecting rods (14), first right angle plate (6) and second right angle plate (12) are sequentially arranged horizontally from top to bottom, two connecting rods (14) are vertically and parallelly arranged between first right angle plate (6) and second right angle plate (12), the upper end of every connecting rod (14) is arranged on first right angle plate (6), the lower end of every connecting rod (14) is detachably connected with second right angle plate (12), one end of square plate (5) is arranged in its adjacent clamping gap (21), the bottom of square plate (5) is connected with first right angle plate (6), and the end of first right angle plate (6) is connected with the upper wing (2-1) of the adjacent H type steel beam (2), and the end of second right angle plate (12) is clamped and matched with the lower wing (2-2) of the adjacent H type steel beam (2).

3. The top side composite reinforcement structure for adapting a steel structure beam column joint according to claim 2, characterized in that: First right angle plate (6) includes first main plate body (6-1), and the both ends of first main plate body (6-1) are respectively provided with first half slot (6-1-1), the bottom of every first half slot (6-1-1) is tightly attached with the lower side of the upper wing (2-1) of the adjacent H type steel beam (2), and the inner end of every first half slot (6-1-1) is tightly attached with the outer wall of the upper wing (2-1) of the adjacent H type steel beam (2).

4. The top-side composite strengthening structure for adapting a steel beam-column joint according to claim 2 or 3, characterized in that: The second right-angle plate (12) comprises a second main plate body (12-1) and a bottom plate (12-2), both of which are L-shaped plate bodies, the bottom plate (12-2) is arranged directly below the second main plate body (12-1), both ends of the second main plate body (12-1) are respectively provided with a second half slot (12-1-1), the bottom of each second half slot (12-1-1) is tightly attached to the upper side of the lower wing (2-2) of the H-shaped steel beam (2) close to the second half slot (12-1-1), the inner end of each second half slot (12-1-1) is tightly attached to the outer wall of the lower wing (2-2) of the H-shaped steel beam (2) close to the second half slot (12-1-1), and the upper side of the bottom plate (12-2) is tightly attached to the bottom side of the second main plate body (12-1) and the lower side of the lower wing (2-2) of the two H-shaped steel beams (2).

5. The top-side composite strengthening structure for adapting a steel beam-column joint according to claim 2 or 3, wherein: The second right-angle plate (12) is an L-shaped plate body, and both ends of the second right-angle plate (12) are respectively provided with a H-shaped opening (12-3), and the opening end of the H-shaped opening (12-3) is arranged towards the lower wing (2-2) of the H-shaped steel beam (2) close to the H-shaped opening (12-3).

6. The top side composite strengthening structure for adapting the beam-column joint of steel structure according to claim 2, characterized in that: The top reinforcing member (20) is a rectangular plate body, each square plate (5) is provided with a first threaded hole (8) in the plate thickness direction, the top reinforcing member (20) is provided with a plurality of second threaded holes (10) in the plate thickness direction, the second threaded holes (10) are coaxially connected with the first threaded holes (8) one by one, and the bottom of each square half slot (3) is provided with a third threaded hole (9), and the third threaded holes (9) are coaxially connected with the first threaded holes (8) one by one.

7. The top side composite strengthening structure for adapting the beam-column joint of steel structure according to claim 1, characterized in that: The bottom of each square half slot (3) is arranged in the same plane as the top side of the H-shaped steel beam (2).

8. The top side composite strengthening structure for adapting the beam-column joint of steel structure according to claim 2, characterized in that: Each connecting rod (14) is a screw rod, and the lower end of each screw rod is provided with a first nut (16), the lower end of each connecting rod (14) is connected with the corresponding first nut (16) after penetrating through the second right-angle plate (12), and the first nut (16) is tightly attached to the bottom surface of the second right-angle plate (12).

9. The top side composite strengthening structure for adapting the beam-column joint of steel structure according to claim 2, characterized in that: The two second right-angle plates (12) on the same H-shaped steel beam (2) are connected through a supporting plate (17) between the bottoms of the two second right-angle plates (12), each connecting rod (14) is a screw rod, the lower end of each screw rod is provided with a second nut (18), the lower end of each screw rod is sequentially connected with the corresponding second nut (18) after penetrating through the second right-angle plate (12) and the supporting plate (17) in sequence, and the second nut (18) is tightly attached to the bottom surface of the supporting plate (17).

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