Waterproof reinforcing structure for deformation joint at joint of frame box bridge and dock type structure
By designing a waterproof reinforcement structure at the connection between the frame box bridge and the docking structure, the problem of water stopping belts being easily damaged is solved, and the effect of preventing leakage and extending service life is achieved, ensuring normal driving on the road.
Patent Information
- Application Number
- CN202420746303.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The deformed joints at the connection between the frame box bridge and the docking structure are prone to damage to the water stop, resulting in leakage of groundwater and affecting normal driving on the road.
Design a waterproof reinforcement structure, including reinforced concrete slabs, deformation joint bodies, waterproof belts, fixing plates, bolts, telescopic rods, limit strips and springs. Through the combination of these components and cast concrete cast layer, a solid waterproof structure is formed to avoid misalignment and leakage.
Effectively prevent the leakage of deformation joints at the connection between the frame box bridge and the docking structure, ensure normal driving of the road, extend the service life of the concrete cast layer, and simplify the replacement process of waterproof belts.
Smart Images
Figure CN222781933U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of waterproofing deformation joints of frame box bridges, in particular to a waterproof reinforcement structure of deformation joints at the connection between a frame box bridge and a dock-type structure. Background Art
[0002] It is common for newly built roads to pass under existing railways. Due to the limitation of the fill height of the railway roadbed, some newly built grade roads often use down excavation to set up frame box bridges when passing under existing railways to meet the requirements of the clear height of the road under the frame box bridge. For construction sites with shallow groundwater levels, after down excavation, the road cutting approaches on both sides of the frame box bridge generally adopt reinforced concrete dock structures. In view of the different forces between the frame box bridge and the dock structure, the waterproof design of the deformation joint at the connection becomes a design focus.
[0003] At present, the waterproof design of the expansion joint at the connection between the frame box bridge and the dock type structure is the focus of its construction. The frame box bridge and the dock type structure may be relatively misaligned, which may cause the waterstop belt of the expansion joint at the connection to be damaged. The damage of the waterstop belt will cause groundwater to leak from the expansion joint, which may seriously affect the normal driving of the road. Therefore, a waterproof reinforcement structure for the expansion joint at the connection between the frame box bridge and the dock type structure is needed. The waterproof reinforcement structure can be used to waterproof the expansion joint at the connection between the frame box bridge and the dock type structure, avoid the expansion joint waterstop belt damage caused by the misalignment of the connection between the frame box bridge and the dock type structure, prevent groundwater from leaking from the expansion joint, and ensure the normal driving of the road. Utility Model Content
[0004] The purpose of the utility model is to provide a waterproof reinforcement structure for the deformation joint at the connection between the frame box bridge and the dock type structure, which can waterproof and reinforce the deformation joint at the connection between the frame box bridge and the dock type structure through the waterproof reinforcement structure, avoid the misalignment of the connection between the frame box bridge and the dock type structure causing damage to the deformation joint waterstop, prevent groundwater from leaking from the deformation joint, and ensure the purpose of normal road driving, so as to solve the above-mentioned background technical problems.
[0005] The utility model solves the above technical problems with the following technical solutions: a waterproof reinforcement structure for a deformation joint at the junction of a frame box bridge and a dock structure, the connection structure is arranged at the connection between the frame box bridge and the bottom connection bottom plate of the dock structure, including a reinforced concrete slab, a deformation joint body is arranged on the top of the reinforced concrete slab, a waterproof belt is arranged on the top of the deformation joint body, a fixing plate is arranged on the top of the waterproof belt, two symmetrical bolts are penetrated on the top of the fixing plate, two symmetrical mounting plates are welded on the bottom of the fixing plate, a telescopic rod is penetrated on the surface of the mounting plate, the inner tube of the telescopic rod and Two symmetrical limit strips are welded on the outer surface, and two symmetrical limit plates are welded on the surface of the telescopic rod, and the limit plates are located between the two mounting plates. Blocks are welded on both sides of the telescopic rod, and the side of the block away from the telescopic rod is in contact with the waterproof belt. A spring is sleeved on the surface of the telescopic rod, and the spring is located between the two limit plates. The two ends of the spring are respectively welded to the two symmetrical limit plates. A concrete casting layer is cast on the top of the fixed plate, and reinforcing steel bars are penetrated on both sides of the concrete casting layer, and the other end of the reinforcing steel bar penetrates the connecting bottom plate and is fixedly connected to the connecting bottom plate.
[0006] Preferably, a protective cover plate is provided on the top of the concrete casting layer, and two symmetrical bolts are provided through the top of the protective cover plate, and the protective cover plate is fixed to the top of the concrete casting layer by the bolts.
[0007] Preferably, two symmetrical waterproof gaskets are provided on the top of the fixing plate, and the bolts penetrate the waterproof gaskets and the fixing plate and are fixedly connected to the connecting bottom plate.
[0008] Preferably, two symmetrical protective covers are provided on the top of the fixing plate, and the protective covers are sleeved on the top of the bolts and the waterproof gasket.
[0009] Preferably, a side of the stop block close to the waterproof belt is an inclined surface, and a portion of the waterproof belt located in the inner cavity of the deformation joint body is in a wrinkled state.
[0010] Preferably, two hidden mounting holes are opened on the top of the protective cover plate, and the bolts are located in the inner cavity of the hidden mounting holes.
[0011] 1. The beneficial effects of the utility model are as follows: the utility model arranges reinforced concrete slabs at the bottom of the deformation joint body, places waterproof belts and fixed plates on the top of the deformation joint body, presses the fixed plates to make the stop blocks fit on the surface of the waterproof belts, fixes the fixed plates by bolts and pours a concrete pouring layer on the top of the fixed plates, so as to achieve the purpose of waterproof reinforcement of the deformation joint at the connection between the frame box bridge and the dock structure through the waterproof reinforcement structure, avoids the damage of the deformation joint water stop belt caused by the misalignment of the connection between the frame box bridge and the dock structure, prevents groundwater from leaking from the deformation joint, and ensures the purpose of normal road driving.
[0012] 2. The utility model sets a protective cover plate and fixes the protective cover plate on the top of the concrete casting layer by bolts, so that the protective cover plate can shield the concrete casting layer to avoid the concrete casting layers being exposed to the outside, reduce the wear rate of the concrete casting layer during use, and increase the service life of the concrete casting layer.
[0013] 3. The utility model provides a protective cover which shields the bolts on the top of the fixing plate to prevent the bolts from being wrapped by concrete when the concrete pouring layer is poured, thereby preventing the user from cleaning the concrete on the surface of the bolts when replacing the waterproof belt, thus facilitating the user to replace the waterproof belt. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] in:
[0015] Figure 1 It is a front cross-sectional schematic diagram of an embodiment of the utility model;
[0016] Figure 2 It is a front cross-sectional schematic diagram of a connection node of an embodiment of the utility model;
[0017] Figure 3 This is an embodiment of the utility model Figure 2 A partial enlarged view of point A;
[0018] Figure 4 It is a three-dimensional disassembled schematic diagram of a reinforcement structure of an embodiment of the utility model.
[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0020] 1. Connecting base plate, 2. Reinforced concrete slab, 3. Expansion joint body, 4. Waterproof tape, 5. Fixed plate, 6. Bolts, 7. Mounting plate, 8. Telescopic rod, 9. Limiting plate, 10. Block, 11. Spring, 12. Concrete pouring layer, 13. Reinforced steel bars, 14. Protective cover, 15. Waterproof gasket, 16. Protective cover. DETAILED DESCRIPTION
[0021] Hereinafter, an embodiment of the waterproof reinforcement structure of the deformation joint at the connection between the frame box bridge and the dock structure of the utility model will be described with reference to the accompanying drawings.
[0022] Embodiment 1:
[0023] Figure 1-4 The present invention shows a waterproof reinforcement structure for a deformation joint at the junction of a frame box bridge and a dock structure according to an embodiment of the utility model, which includes: the waterproof reinforcement structure is arranged at the connection between the frame box bridge and the bottom connecting bottom plate 1 of the dock structure, including a reinforced concrete slab 2, a deformation joint body 3 is arranged on the top of the reinforced concrete slab 2, a waterproof belt 4 is arranged on the top of the deformation joint body 3, a fixing plate 5 is arranged on the top of the waterproof belt 4, and two symmetrical waterproof gaskets 15 are arranged on the top of the fixing plate 5. Bolts 6 penetrate the waterproof gasket 15 and the fixing plate 5 and are fixedly connected to the connecting bottom plate 1. Two symmetrical bolts 6 are penetrated on the top of the fixing plate 5. Two symmetrical mounting plates 7 are welded to the bottom of the fixing plate 5. A telescopic rod 8 is penetrated on the surface of the mounting plate 7. Two symmetrical limiting strips are welded on the inner tube and the outer surface of the telescopic rod 8. Two symmetrical limiting plates 9 are welded on the surface of the telescopic rod 8. The limiting plates 9 are located between the two mounting plates 7. Abutments 10 are welded on both sides of the telescopic rod 8. The side of the abutment 10 away from the telescopic rod 8 is in contact with the waterproof belt 4. A spring 11 is sleeved on the surface of the rod 8, and the spring 11 is located between the two limit plates 9. The two ends of the spring 11 are respectively welded to the two symmetrical limit plates 9. A concrete casting layer 12 is cast on the top of the fixed plate 5, and a protective cover plate 14 is arranged on the top of the concrete casting layer 12. Two symmetrical bolts 6 are penetrated through the top of the protective cover plate 14, and the protective cover plate 14 is fixed to the top of the concrete casting layer 12 by the bolts 6. By setting the protective cover plate 14, the protective cover plate 14 is fixed to the top of the concrete casting layer 12 by the bolts 6, so that the protective cover plate 14 can shield the concrete casting layer 12 to avoid the concrete casting layer 12 being exposed to the outside, reducing the wear rate of the concrete casting layer 12 during use, and increasing the service life of the concrete casting layer 12. Two hidden mounting holes are provided on the top of the protective cover plate 14, and the bolts 6 are located in the inner cavity of the hidden mounting holes. Reinforcing steel bars 13 are penetrated on both sides of the concrete casting layer 12, and the other end of the reinforcing steel bar 13 penetrates the connecting bottom plate 1 and is fixedly connected to the connecting bottom plate 1.
[0024] Embodiment 2:
[0025] Figure 1-4A waterproof reinforcement structure for a deformation joint at the junction of a frame box bridge and a dock structure according to an embodiment of the utility model is shown, which includes: the waterproof reinforcement structure is arranged at the connection between the frame box bridge and the bottom connecting bottom plate 1 of the dock structure, including a reinforced concrete slab 2, a deformation joint body 3 is arranged on the top of the reinforced concrete slab 2, a waterproof belt 4 is arranged on the top of the deformation joint body 3, a fixed plate 5 is arranged on the top of the waterproof belt 4, and two symmetrical protective covers 16 are arranged on the top of the fixed plate 5. The protective covers 16 are sleeved on the top of the bolts 6 and the waterproof gasket 15. Through the setting of the protective covers 16, the protective covers 16 will shield the bolts 6 on the top of the fixed plate 5 to avoid that the concrete will wrap the bolts 6 when the concrete pouring layer 12 is poured, and prevent the user from needing to clean the concrete on the surface of the bolts 6 when replacing the waterproof belt 4, so as to facilitate the user to replace the waterproof belt 4. The top of the fixed plate 5 is penetrated by two pairs of The bolts 6 are called bolts, and two symmetrical mounting plates 7 are welded to the bottom of the fixing plate 5. The mounting plate 7 is penetrated with a telescopic rod 8 on the surface. Two symmetrical limit strips are welded to the inner tube and the outer surface of the telescopic rod 8. Two symmetrical limit plates 9 are welded to the surface of the telescopic rod 8. The limit plates 9 are located between the two mounting plates 7. Blocks 10 are welded to both sides of the telescopic rod 8. The side of the block 10 close to the waterproof belt 4 is an inclined surface. The part of the waterproof belt 4 located in the inner cavity of the deformation joint body 3 is in a folded state. The side of the block 10 away from the telescopic rod 8 is in contact with the waterproof belt 4. A spring 11 is sleeved on the surface of the telescopic rod 8. The spring 11 is located between the two limit plates 9. The two ends of the spring 11 are respectively welded to the two symmetrical limit plates 9. A concrete casting layer 12 is cast on the top of the fixing plate 5. Reinforcing steel bars 13 are penetrated on both sides of the concrete casting layer 12. The other end of the reinforcing steel bar 13 penetrates the connecting bottom plate 1 and is fixedly connected to the connecting bottom plate 1.
[0026] Working principle: When the utility model is used, the user sets the reinforced concrete slab 2 at the bottom of the deformation joint body 3, places the waterproof belt 4 on the top of the deformation joint body 3, and then places the fixing plate 5 on the top of the waterproof belt 4, presses the fixing plate 5, so that the stop block 10 is squeezed, so that the telescopic rod 8 is contracted. When the telescopic rod 8 is contracted, the spring 11 is squeezed through the limiting plate 9, so that the spring 11 is contracted. The spring 11 will push the limiting plate 9 with its reaction force, so that the limiting plate 9 pushes the stop block 10 to fit on the surface of the waterproof belt 4 through the telescopic rod 8, so that the waterproof belt 4 can fit with the inner wall of the deformation joint body 3, ensuring the waterproof effect of the waterproof belt 4, and avoiding water seepage in the concrete casting layer 12 before pouring. Through the setting of the reinforced concrete slab 2, relative vertical displacement is prevented from occurring at the deformation joint body 3, and damage and water seepage of the waterproof belt 4 in the inner cavity of the deformation joint body 3 are avoided, thereby ensuring normal road driving.
[0027] To sum up: the waterproof reinforcement structure of the deformation joint at the connection between the frame box bridge and the dock type structure is achieved by setting the reinforced concrete slab 2 at the bottom of the deformation joint body 3, placing the waterproof belt 4 and the fixed plate 5 on the top of the deformation joint body 3, pressing the fixed plate 5 to make the stop block 10 fit on the surface of the waterproof belt 4, fixing the fixed plate 5 by bolts 6 and pouring a concrete pouring layer 12 on the top of the fixed plate 5, so that the deformation joint at the connection between the frame box bridge and the dock type structure can be waterproofed and reinforced by the waterproof reinforcement structure, avoiding the damage of the deformation joint waterstop belt caused by the misalignment of the connection between the frame box bridge and the dock type structure, preventing groundwater from leaking from the deformation joint, and ensuring the purpose of normal road driving.
Claims
1. A waterproof reinforcement structure for a deformation joint at the junction of a frame box bridge and a dock-type structure, the waterproof reinforcement structure being arranged at the junction of the frame box bridge and the bottom connecting bottom plate (1) of the dock-type structure, characterized in that: The invention comprises a reinforced concrete slab (2): a deformation joint body (3) is arranged on the top of the reinforced concrete slab (2), a waterproof belt (4) is arranged on the top of the deformation joint body (3), a fixing plate (5) is arranged on the top of the waterproof belt (4), two symmetrical bolts (6) are arranged through the top of the fixing plate (5), two symmetrical mounting plates (7) are welded to the bottom of the fixing plate (5), a telescopic rod (8) is arranged through the surface of the mounting plate (7), two symmetrical limiting strips are welded on the inner tube and the outer surface of the telescopic rod (8), two symmetrical limiting plates (9) are welded on the surface of the telescopic rod (8), and the limiting plates (9) are located Between the two mounting plates (7), both sides of the telescopic rod (8) are welded with a stop block (10), and the side of the stop block (10) away from the telescopic rod (8) is in contact with the waterproof belt (4). The surface of the telescopic rod (8) is sleeved with a spring (11), and the spring (11) is located between the two limit plates (9). The two ends of the spring (11) are respectively welded to the two symmetrical limit plates (9). The top of the fixed plate (5) is cast with a concrete pouring layer (12), and both sides of the concrete pouring layer (12) are penetrated with reinforcing steel bars (13), and the other end of the reinforcing steel bar (13) penetrates the connecting bottom plate (1) and is fixedly connected to the connecting bottom plate (1).
2. The waterproof reinforcement structure of the deformation joint at the junction of the frame box bridge and the dock structure according to claim 1 is characterized in that: A protective cover plate (14) is arranged on the top of the concrete casting layer (12), two symmetrical bolts (6) are arranged through the top of the protective cover plate (14), and the protective cover plate (14) is fixed to the top of the concrete casting layer (12) by the bolts (6).
3. The waterproof reinforcement structure of the deformation joint at the junction of the frame box bridge and the dock structure according to claim 2 is characterized in that: Two symmetrical waterproof gaskets (15) are arranged on the top of the fixing plate (5), and the bolts (6) penetrate the waterproof gaskets (15) and the fixing plate (5) and are fixedly connected to the connecting bottom plate (1).
4. The waterproof reinforcement structure of the deformation joint at the junction of the frame box bridge and the dock structure according to claim 3 is characterized in that: Two symmetrical protective covers (16) are arranged on the top of the fixing plate (5), and the protective covers (16) are sleeved on the tops of the bolts (6) and the waterproof gasket (15).
5. The waterproof reinforcement structure of the deformation joint at the junction of the frame box bridge and the dock structure according to claim 4 is characterized in that: The side of the stopper (10) close to the waterproof belt (4) is an inclined surface, and the portion of the waterproof belt (4) located in the inner cavity of the deformation joint body (3) is in a wrinkled state.
6. The waterproof reinforcement structure of the deformation joint at the junction of the frame box bridge and the dock structure according to claim 5 is characterized in that: Two hidden installation holes are provided on the top of the protective cover plate (14), and the bolts (6) are located in the inner cavities of the hidden installation holes.