Reinforced concrete damping joint

Abstract

The utility model discloses a reinforced concrete shock absorption node, including first concrete, side support plate, bearing support plate and main load-bearing steel bar, the two side support plates are symmetrically arranged on the two sides inside the first concrete, the bearing support plate is fixed between the top and the bottom of the two side support plates through third expansion bolts, and the main load-bearing steel bar is fixed on the bearing support plate through the third expansion bolts. First expansion bolts are symmetrically arranged in the two ends of the bearing supporting plate. Through the arrangement of third expansion bolts, bearing supporting plates, extension feet, fourth expansion bolts and first damping interlayers, the strength of the side supporting plates and the bearing supporting plates, the strength of the bearing supporting plates and the main load-bearing steel bars and the strength of the side supporting plates and the main load-bearing steel bars at the joints of the first concrete and the second concrete are effectively enhanced; and the bearing capacity of the side supporting plates, the bearing supporting plates and the main load-bearing steel bars on the first concrete and the second concrete is further improved, and the structural strength of the whole beam is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of node structures, in particular to a reinforced concrete shock-absorbing node. Background Art

[0002] When reinforced concrete beams are actually installed, they need to be fixed. Usually, the concrete of the longitudinal beam is poured first, and then the nodes between the transverse beam and the longitudinal beam are tied and overlapped. After that, the steel cages are arranged, and the steel cages and steel bars are fixed by tying and overlapping. The formwork is used to fix and cast them, and the fixation of the transverse beam is completed.

[0003] A reinforced concrete beam node structure disclosed in the Chinese utility model patent application disclosure CN208202127U has a node strength. The node strength is improved by adding supports and main load-bearing steel bars, thereby increasing the node bearing capacity, increasing the structural strength of the concrete beam, and improving the safety of the concrete beam, making the device more reliable. However, the outer surface area of ​​the node generated in the concrete connection lacks the layout of earthquake-resistant and shock-absorbing materials, resulting in an incomplete display of structural stability and a reduced scope of application, which urgently needs to be developed. Utility Model Content

[0004] The purpose of the utility model is to provide a reinforced concrete shock-absorbing node to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced concrete shock-absorbing node, comprising a first concrete, a side support plate, a load-bearing support plate and a main stress-bearing steel bar, two side support plates are symmetrically arranged on both sides inside the first concrete, a load-bearing support plate is fixed between the top and bottom of the two side support plates by a third expansion bolt, first expansion bolts are symmetrically arranged inside the two ends of the load-bearing support plate, the middle parts of the two load-bearing support plates are fixed to the two ends of the main stress-bearing steel bar by extension feet and fourth expansion bolts, two groups of the extension feet are symmetrically connected relative to the two ends of the main stress-bearing steel bar, and the fourth expansion bolt is arranged inside the extension feet.

[0006] Preferably, the first concrete is connected to the second concrete through a side support plate, a load-bearing support plate and main stress-bearing steel bars.

[0007] Preferably, the side of the first concrete and the top and bottom of the second concrete are symmetrically assembled with L-shaped force-applying reinforcement metal pieces through second expansion bolts, and the middle of the outer surface of the L-shaped force-applying reinforcement metal piece is connected with a force-applying abutment piece.

[0008] Preferably, the first concrete and the second concrete are respectively bonded with a first shock-absorbing interlayer between the side support plate, the load-bearing support plate, and the connection between the L-shaped force-reinforcing metal piece.

[0009] Preferably, longitudinal supporting steel bars and longitudinal positioning steel bars are arranged in the bottom of the first concrete, and the longitudinal supporting steel bars and the longitudinal positioning steel bars are welded in an evenly spaced and staggered manner.

[0010] Preferably, an embedding assembly groove is symmetrically connected to the side of the side support plate, and the third expansion bolt is movably arranged in the embedding assembly groove.

[0011] Preferably, positioning blocks are symmetrically fixed to both ends of the main stress-bearing steel bars, positioning grooves are symmetrically connected inside the first concrete, the positioning grooves are arranged correspondingly to the positions of the positioning blocks, and a second shock-absorbing interlayer is bonded to the inner surface of the positioning grooves.

[0012] Preferably, transverse supporting steel bars and transverse steel cages are arranged inside the second concrete, and the transverse supporting steel bars and the transverse steel cages are welded in an equidistant and staggered manner.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) This reinforced concrete shock-absorbing node effectively strengthens the strength of the nodes where the side support plate and the load-bearing support plate, the load-bearing support plate and the main stress-bearing steel bar are connected to the first concrete and the second concrete respectively, by setting the third expansion bolt, the load-bearing support plate, the extension foot, the fourth expansion bolt and the first shock-absorbing interlayer, and further improves the bearing capacity of the side support plate, the load-bearing support plate and the main stress-bearing steel bar on the first concrete and the second concrete, thereby improving the structural strength of the overall beam;

[0015] (2) This reinforced concrete shock-absorbing node can improve the seismic resistance of the contact range and the shock-absorbing performance of the overall node structure by arranging and bonding the first shock-absorbing interlayer between the side support plate and the load-bearing support plate, between the load-bearing support plate and the main load-bearing steel bars, and between the first concrete and the second concrete and the L-shaped force-applying reinforcement metal parts. It can also effectively improve the service life and stability of the side support plate, the load-bearing support plate, the main load-bearing steel bars, the longitudinal support steel bars, the longitudinal positioning steel bars, the transverse support steel bars and the transverse steel cage.

[0016] (3) This reinforced concrete shock-absorbing node is assembled and fixed at the connection angle of the first concrete and the second concrete by using the second expansion bolt on the L-shaped force-reinforced metal piece, so as to play a role of mutual bearing and clamping, thereby improving the stability of the first concrete and the second concrete structure. The two ends of the force-reinforced abutment piece exert abutting force on the L-shaped force-reinforced metal piece, thereby effectively improving the structural stability of the original L-shaped force-reinforced metal piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the node structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0020] Figure 4 It is a schematic diagram of the side view structure of the connection between the first concrete and the second concrete and the L-shaped force reinforcement metal piece of the utility model;

[0021] Figure 5 This is a schematic diagram of the side view structure of the connection between the first concrete and the side support plate of the utility model.

[0022] In the figure: 1. first concrete; 2. side support plate; 201. embedded assembly groove; 3. load-bearing support plate; 4. first expansion bolt; 5. main force-bearing steel bar; 501. extension foot; 6. longitudinal support steel bar; 7. longitudinal positioning steel bar; 8. second concrete; 9. first shock-absorbing interlayer; 10. transverse support steel bar; 11. transverse steel bar cage; 12. second expansion bolt; 13. L-shaped force-applying reinforcement metal part; 14. force-applying abutment part; 15. third expansion bolt; 16. positioning groove; 17. second shock-absorbing interlayer; 18. positioning block; 19. fourth expansion bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5, the utility model provides an embodiment: a reinforced concrete shock-absorbing node, comprising a first concrete 1, a side support plate 2, a bearing support plate 3 and a main stress-bearing steel bar 5, two side support plates 2 are symmetrically arranged on both sides of the first concrete 1, and the bearing support plates 3 are fixed between the top and the bottom of the two side support plates 2 through the third expansion bolts 15, and the first expansion bolts 4 are symmetrically arranged in the two ends of the bearing support plates 3, and the middle parts of the two bearing support plates 3 are fixed to the two ends of the main stress-bearing steel bar 5 through the extension legs 501 and the fourth expansion bolts 19. The third expansion bolts 15, the bearing support plate 3, the extension legs 501, the fourth expansion bolts 19 and the first shock-absorbing interlayer 9 are arranged to effectively strengthen the strength of the nodes where the side support plates 2 and the bearing support plates 3, the bearing support plates 3 and the main stress-bearing steel bars 5, and the side support plates 2 and the main stress-bearing steel bars 5 are connected to the first concrete 1 and the second concrete 8 respectively;

[0025] The two groups of extension legs 501 are symmetrically connected relative to the two ends of the main stress-bearing steel bars 5 , and the fourth expansion bolts 19 are arranged inside the extension legs 501 .

[0026] The first concrete 1 is connected to the second concrete 8 through the side support plate 2 , the load-bearing support plate 3 and the main stress-bearing steel bars 5 .

[0027] The side of the first concrete 1 and the top and bottom of the second concrete 8 are symmetrically equipped with L-shaped force-applying and reinforcing metal parts 13 through second expansion bolts 12. The L-shaped force-applying and reinforcing metal parts 13 are respectively assembled and fixed at the connecting angle of the first concrete 1 and the second concrete 8 by the second expansion bolts 12, so as to play a role of mutual bearing and clamping;

[0028] The middle of the outer surface of the L-shaped force-reinforcing metal piece 13 is connected with a force-reinforcing abutment piece 14 , and both ends of the force-reinforcing abutment piece 14 exert abutting force on the L-shaped force-reinforcing metal piece 13 , effectively improving the structural stability of the original L-shaped force-reinforcing metal piece 13 .

[0029] The first concrete 1 and the second concrete 8 are respectively bonded with a first shock-absorbing interlayer 9 between the connection points of the side support plate 2, the load-bearing support plate 3, and the L-shaped force-reinforced metal member 13. The first shock-absorbing interlayer 9 is bonded between the connection points of the side support plate 2 and the load-bearing support plate 3, the load-bearing support plate 3 and the main force-bearing steel bars 5, and the first concrete 1 and the second concrete 8 are respectively bonded with the L-shaped force-reinforced metal member 13 to improve the seismic resistance of the contact range.

[0030] The bottom of the first concrete 1 is provided with longitudinal support steel bars 6 and longitudinal positioning steel bars 7, and the longitudinal support steel bars 6 and longitudinal positioning steel bars 7 are welded in an equidistant and staggered manner.

[0031] The side of the side support plate 2 is symmetrically connected with an embedding assembly groove 201 , and the third expansion bolt 15 is movably arranged in the embedding assembly groove 201 .

[0032] Positioning blocks 18 are symmetrically fixed to both ends of the main stress-bearing steel bars 5 , and positioning grooves 16 are symmetrically connected inside the first concrete 1 . The positions of the positioning grooves 16 and the positioning blocks 18 are corresponding, and the inner surface of the positioning grooves 16 is bonded with a second shock-absorbing interlayer 17 .

[0033] Transverse supporting steel bars 10 and a transverse steel cage 11 are arranged inside the second concrete 8. The transverse supporting steel bars 10 and the transverse steel cage 11 are welded in an evenly spaced and staggered manner.

[0034] When the embodiment of the present application is in use: the third expansion bolt 15, the bearing support plate 3, the extension leg 501, the fourth expansion bolt 19 and the first shock-absorbing interlayer 9 are arranged to effectively strengthen the strength of the nodes where the side support plate 2 and the bearing support plate 3, the bearing support plate 3 and the main force-bearing steel bar 5, and the side support plate 2 and the main force-bearing steel bar 5 are connected to the first concrete 1 and the second concrete 8, respectively, and further improve the bearing capacity of the side support plate 2, the bearing support plate 3, and the main force-bearing steel bar 5 on the first concrete 1 and the second concrete 8, and the side support plate 2 and the bearing support plate 3, and the bearing support plate 3 and the main force-bearing steel bar 5, the first concrete 1 The first shock-absorbing interlayer 9 is bonded between the connection points between the first concrete 1 and the second concrete 8 and the L-shaped force-reinforced metal piece 13, so as to improve the seismic resistance of the contact range and improve the shock-absorbing performance of the overall node structure. The L-shaped force-reinforced metal piece 13 is assembled and fixed at the connection angle between the first concrete 1 and the second concrete 8 by the second expansion bolts 12, so as to play a role of mutual bearing and clamping, thereby improving the stability of the first concrete 1 and the second concrete 8 structure. The two ends of the force-reinforced abutment piece 14 exert abutting force on the L-shaped force-reinforced metal piece 13, thereby effectively improving the structural stability of the original L-shaped force-reinforced metal piece 13.

Claims

1. A reinforced concrete shock-absorbing node, characterized in that: The invention comprises a first concrete (1), a side support plate (2), a bearing support plate (3) and a main stress-bearing steel bar (5), wherein two side support plates (2) are symmetrically arranged on both sides inside the first concrete (1), a bearing support plate (3) is fixed between the top and bottom of the two side support plates (2) via a third expansion bolt (15), first expansion bolts (4) are symmetrically arranged inside the two ends of the bearing support plate (3), the middle parts of the two bearing support plates (3) are fixed to the two ends of the main stress-bearing steel bar (5) via an extension leg (501) and a fourth expansion bolt (19), two groups of the extension legs (501) are symmetrically connected relative to the two ends of the main stress-bearing steel bar (5), and the fourth expansion bolt (19) is arranged inside the extension leg (501).

2. A reinforced concrete seismic node according to claim 1, characterized in that: The first concrete (1) is connected to the second concrete (8) via a side support plate (2), a load-bearing support plate (3) and main stress-bearing steel bars (5).

3. A reinforced concrete seismic node according to claim 2, characterized in that: The side of the first concrete (1) and the top and bottom of the second concrete (8) are symmetrically assembled with L-shaped force-applying reinforcement metal parts (13) through second expansion bolts (12), and the middle part of the outer surface of the L-shaped force-applying reinforcement metal part (13) is connected with a force-applying abutment part (14).

4. A reinforced concrete seismic node according to claim 3, characterized in that: The first concrete (1) and the second concrete (8) are respectively bonded with a first shock-absorbing interlayer (9) between the connection points of the side support plate (2), the load-bearing support plate (3) and the L-shaped force-reinforcing metal piece (13).

5. A reinforced concrete seismic node according to claim 4, characterized in that: The bottom of the first concrete (1) is provided with longitudinal support steel bars (6) and longitudinal positioning steel bars (7), and the longitudinal support steel bars (6) and the longitudinal positioning steel bars (7) are welded in an evenly spaced and staggered manner.

6. A reinforced concrete seismic node according to claim 4, characterized in that: An embedded assembly groove (201) is symmetrically connected to the side of the side support plate (2), and the third expansion bolt (15) is movably arranged in the embedded assembly groove (201).

7. A reinforced concrete seismic node according to claim 2, characterized in that: Positioning blocks (18) are symmetrically fixed at both ends of the main force-bearing steel bars (5); a positioning groove (16) is symmetrically connected inside the first concrete (1); the positions of the positioning groove (16) and the positioning blocks (18) are arranged correspondingly; and a second shock-absorbing interlayer (17) is bonded to the inner surface of the positioning groove (16).

8. The reinforced concrete seismic node according to claim 3, characterized in that: Transverse supporting steel bars (10) and a transverse steel cage (11) are arranged inside the second concrete (8), and the transverse supporting steel bars (10) and the transverse steel cage (11) are welded in an evenly spaced and staggered manner.

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