CN219824767U

CN219824767U - Reinforcing structure of soft foundation of sinking bridge head butt strap

Info

Publication number: CN219824767U
Application number: CN202321169826.1U
Authority: CN
Inventors: 韩新光; 郑天宇; 孟园杰; 郭孟豪; 胡剑飞; 姬龙飞; 吴志杰; 张文平; 李帅帅
Original assignee: Henan Highway Engineering Group Co Ltd
Current assignee: Henan Highway Engineering Group Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-13
Anticipated expiration: 2033-05-16

Abstract

The utility model relates to a reinforcing structure of a soft foundation of a sunk bridge head access board, which comprises a foundation body, wherein a bridge head roadbed is fixed on the left side of the foundation body, the upper surface of the foundation body is fixedly provided with the bridge head access board body, the upper surface of the bridge head access board body is fixedly provided with a bridge head pavement, the upper surface of the bridge head roadbed is provided with a water removing mechanism for removing water, the water removing mechanism comprises a water collecting tank fixed on the upper surface of the bridge head roadbed, and the right side of the water collecting tank is communicated with a water conveying pipeline. This reinforced structure of soft ground of sinking bridge head access panel, dewatering mechanism is through the cooperation of water pump, protective housing, water piping, suction pipe and header tank with the accumulated rainwater in the seam between bridge head access panel body and the bridge head road bed take out and collect the inside to the header tank to pile up a large amount of rainwater in the seam and cause corrosion damage to the road bed, and make things convenient for the workman to handle the water of not collecting inside the header tank through the cooperation of valve and drainage pipe.

Description

Reinforcing structure of soft foundation of sinking bridge head butt strap

Technical Field

The utility model relates to the technical field of soft foundation bodies of sunk bridge head access plates, in particular to a reinforcing structure of a soft foundation of a sunk bridge head access plate.

Background

The bridge head bridge-jumping is one of the common diseases of the bridge at present, the driving comfort is seriously affected, the driving speed of the vehicle and the traffic capacity of the road are reduced, the bridge head bridge-jumping is one of the important hidden dangers of road traffic safety, the social benefit and the economic benefit of high-grade highway construction are damaged, in order to prevent and treat the bridge head bridge-jumping, the bridge head bridge-jumping is provided with an important effect for relieving the bridge head bridge-jumping, but the bridge head bridge-jumping has the phenomena of void and water seepage commonly existing in the engineering practice, and sinkage with different degrees frequently occurs, if the sinkage is not treated in time, the bridge head bridge-jumping and other potential safety hazards still can be developed.

The utility model relates to an example Chinese patent CN210946334U, which relates to a soft foundation reinforcing and lifting repairing system for a foundation of a sunk bridge, wherein a high polymer grouting lifting layer is used as a lifting repairing structure for the foundation of the sunk bridge, a high polymer soil squeezing pile is used as a reinforcing repairing structure for the soft foundation of the sunk bridge, the soft foundation can be squeezed by the high polymer soil squeezing pile, so that the soil of the soft foundation is more compact, the integral bearing capacity of the foundation is increased, meanwhile, the friction force between the high polymer soil squeezing pile and the soil of the foundation is further increased, the bearing capacity of the soft foundation is further increased, the potential settlement hazard caused by the soft foundation is fundamentally solved, and the high polymer grouting lifting layer is used as the lifting repairing structure for the foundation of the sunk bridge, so that the bottom of a cushion layer of the sunk bridge can be effectively filled, and the functions of waterproof and lifting the foundation of the sunk bridge can be achieved; the high polymer soil squeezing pile and the high polymer grouting jacking layer form a sunk bridge head butt strap soft foundation reinforcing and strap jacking repairing structure, and according to the characteristic of rapid solidification of the high polymer, the utility model has the characteristics of convenient and rapid construction, no need of health maintenance, energy conservation, environmental protection, durable materials and the like, and has wide application prospect.

Above-mentioned patent still has certain defect, and the gap is still certain in addition between its and the road bed after the downside at the road surface is fixed to the bridge end butt strap, and in the rainwater can be along the gap infiltration road bed of bridge end butt strap downside in rainy day, causes certain destruction to the road bed, and long-time infiltration can lead to the inside rainwater corrosion damage of road bed, corrodes even and wears the road bed to get into the foundation layer and continue to corrode and cause the foundation body to subside facing the foundation, and then lead to under the foundation body life of bridge end.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a reinforcing structure for a soft foundation of a sinking bridge head butt strap, which has the advantages of preventing rainwater from penetrating, and the like, and solves the problems that the interior of a roadbed is corroded and damaged by rainwater for a long time, even the roadbed is corroded to enter a foundation body layer to continuously corrode the foundation body so as to cause the foundation body to be sinking.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reinforced structure of sunken bridge head butt strap soft foundation, includes the foundation body, the left side of foundation body is fixed with the bridge head road bed, the upper surface of foundation body is fixed with the bridge head butt strap body, the upper surface of bridge head butt strap body is fixed with the bridge head road surface, the upper surface of bridge head road bed is equipped with the dewatering mechanism that is used for dewatering;

the water removing mechanism comprises a water collecting tank fixed on the upper surface of the bridge head roadbed, a water conveying pipeline is communicated on the right side of the water collecting tank, a water pump is communicated with one end, far away from the water collecting tank, of the water conveying pipeline, the water pump is fixed on the upper surface of the bridge head roadbed, a water suction pipeline is communicated on the right side of the water pump, and one end, far away from the water pump, of the water suction pipeline is located between one side, opposite to the bridge head roadbed and the bridge head access board body;

the top wall of the inner cavity of the bridge head butt strap body is provided with a sealing component for improving the sealing performance.

Further, the dewatering mechanism further comprises a drainage pipeline communicated with the left side of the water collecting tank, a valve is fixed on the outer side of the drainage pipeline, and a protective tank is fixed on the right side of the water collecting tank.

Further, the shape of protective housing is the cuboid that inside cavity and left side and lower surface all were missed, the connecting hole has been seted up to the upper surface of bridgehead road bed, the inside at the connecting hole is fixed to the water pumping pipeline.

Further, the sealing assembly comprises at least two sealing springs fixed on the top wall of the inner cavity of the bridge head butt strap body, a connecting plate is fixed on the lower surface of the sealing springs, and a sealing gasket is inserted into the connecting plate.

Further, seal assembly still includes the spacing spring of fixing at the inside quantity of connecting plate not less than two, and left and right sides spacing spring is all fixed with the fly leaf in one side that is opposite, and two the stopper of grafting in sealed pad is all fixed with in one side that the fly leaf is opposite.

Further, the number of the sealing springs is not less than two, the sealing springs are uniformly distributed on the top wall of the inner cavity of the bridge head butt strap body, and sealing grooves for sealing pads to be inserted are formed in the lower surface of the connecting plate.

Further, the left side and the right side of the sealing gasket are provided with limiting grooves for inserting limiting springs, and the inside of the connecting plate is provided with movable grooves for sliding connection of the movable plates.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this reinforced structure of soft ground of sinking bridge head access panel is through the cooperation of water pump, protective housing, water piping, water pumping pipeline and header tank under the effect of dewatering mechanism with the accumulated rainwater in the seam between bridge head access panel body and the bridge head road bed take out and collect the inside to the header tank to pile up a large amount of rainwater in the seam and cause corrosion damage to the road bed, and make things convenient for the workman to handle the unnecessary water of collecting inside the header tank through the cooperation of valve and drainage pipeline.

2. This reinforced structure of soft ground of sinking bridge head butt strap makes bridge head butt strap body and bridge head road bed laminating department sealed thereby avoid its little gap inflow rainwater that laminating department exists through sealing spring, fly leaf, connecting plate, sealed pad, stopper and spacing spring's cooperation under seal assembly's effect to make the rainwater enter into the foundation body through the gap and cause corrosion damage to it

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a water removal mechanism according to the present utility model;

FIG. 3 is a schematic view of a seal assembly of the present utility model.

In the figure: the road foundation comprises a foundation body 1, a bridge head butt strap body 2, a bridge head road surface 3, a water removing mechanism 4, a water pump 401, a protective box 402, a water conveying pipeline 403, a water pumping pipeline 404, a water collecting tank 405, a valve 406, a water discharging pipeline 407, a sealing spring 408, a movable plate 409, a connecting plate 410, a sealing gasket 411, a limiting block 412, a limiting spring 413 and a bridge head road surface 5.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a reinforcing structure of a soft foundation of a sunk bridge head access board in this embodiment includes a foundation body 1, a bridge head roadbed 5 is fixed on the left side of the foundation body 1, a bridge head access board body 2 is fixed on the upper surface of the foundation body 1, a bridge head pavement 3 is fixed on the upper surface of the bridge head access board body 2, a water removing mechanism 4 for removing water is arranged on the upper surface of the bridge head roadbed 5, electrical elements appearing in the water removing mechanism are electrically connected with a main controller and a power supply, the main controller can be conventional known equipment controlled by a computer and the like, and the prior disclosed power connection technology is not described in detail herein.

Referring to fig. 2, in order to clear rainwater in the gap, the water removal mechanism 4 in this embodiment includes a water collection tank 405 fixed on the upper surface of the bridge head roadbed 5, a water pipe 403 is connected to the right side of the water collection tank 405, a water pump 401 is connected to one end of the water pipe 403 far away from the water collection tank 405 and the water pump 401 is fixed on the upper surface of the bridge head roadbed 5, a water suction pipe 404 is connected to the right side of the water pump 401 and one end of the water suction pipe 404 far away from the water pump 401 is located between the opposite sides of the bridge head roadbed 5 and the bridge head access board body 2.

In this embodiment, the water pump 401 is taken out the rainwater that piles up in the seam between the bridge end butt strap body 2 and the bridge end road bed 5 through the water pumping pipeline 404 and is carried the inside of header tank 405 through conduit 403, dewatering mechanism 4 is still including the drain pipe 407 of intercommunication in header tank 405 left side, the outside of drain pipe 407 is fixed with valve 406, the right side of header tank 405 is fixed with protective housing 402, protective housing 402's shape is the cuboid that inside cavity and left side and lower surface all were missed, the connecting hole has been seted up to the upper surface of bridge end road bed 5, the inside at the connecting hole is fixed to water pumping pipeline 404, one side that the connecting hole kept away from water pump 401 is located the left side of bridge end butt strap body 2, the shape of connecting hole cross section is L shape.

It should be noted that, the water removing mechanism 4 extracts and collects the rainwater accumulated in the seam between the bridge head access board body 2 and the bridge head roadbed 5 to the inside of the water collecting tank 405 through the cooperation of the water pump 401, the protective housing 402, the water pipe 403, the water pumping pipe 404 and the water collecting tank 405, so that the roadbed is prevented from being corroded and damaged by a large amount of rainwater accumulated in the seam, and the workers can conveniently process the unused water collected in the water collecting tank 405 through the cooperation of the valve 406 and the water pumping pipe 407.

Referring to fig. 3, in order to enhance the tightness, a sealing assembly for enhancing the tightness is provided on the top wall of the inner cavity of the bridge head butt strap body 2, the sealing assembly comprises at least two sealing springs 408 fixed on the top wall of the inner cavity of the bridge head butt strap body 2, a connecting plate 410 is fixed on the lower surface of the sealing springs 408, a sealing pad 411 is inserted into the connecting plate 410, the sealing springs 408 are pressed to generate a repulsive force to push the connecting plate 410 downwards and push the sealing pad 411 downwards through the connecting plate 410, so that the sealing pad 411 is attached to the bridge head roadbed 5 more tightly, and the tightness of the sealing pad 411 is improved.

In this embodiment, seal assembly still includes fixing at the inside quantity of connecting plate 410 and is not less than two spacing spring 413, the side that the spacing spring 413 of left and right sides is on the back all is fixed with fly leaf 409, the stopper 412 of grafting in the inside of sealed pad 411 is all fixed with to the opposite side of two fly leaves 409, the quantity is not less than the even roof that distributes in the inner chamber of bridge end strap body 2 of two sealing spring 408, the seal groove that supplies to peg graft with sealed pad 411 has been seted up to the lower surface of connecting plate 410, the spacing groove that supplies to peg graft with spacing spring 413 has all been seted up to the left and right sides of sealed pad 411, the movable groove that supplies to supply to slide coupling with fly leaf 409 has been seted up to the inside of connecting plate 410, all spread grooves are seted up to the inside of bridge end strap body 2, connecting plate 410 passes through spread groove and bridge end strap body 2 clearance fit, the roof that two sealing spring 408 are fixed in the spread groove inner chamber is not less than.

It should be noted that, the sealing assembly is matched with the sealing spring 408, the movable plate 409, the connecting plate 410, the sealing pad 411, the limiting block 412 and the limiting spring 413 to seal the joint of the bridge head butt strap body 2 and the bridge head roadbed 5, so as to prevent the small gap existing at the joint from flowing into rainwater, and the rainwater enters into the foundation body 1 through the gap to cause corrosion damage to the foundation body.

The working principle of the embodiment is as follows:

(1) When raining, part of rainwater flows into the seam between the bridge head access board body 2 and the bridge head roadbed 5, the water pump 401 is started, the water pump 401 pumps out the rainwater accumulated in the seam between the bridge head access board body 2 and the bridge head roadbed 5 through the water pumping pipeline 404 and conveys the rainwater to the inside of the water collecting tank 405, the water pump 401 is started for a period of time after sunny days to ensure that the rainwater in the seam is cleaned, then the water pump 401 is closed, the water discharging pipeline 407 is opened by screwing the valve 406 to discharge the rainwater accumulated in the water collecting tank 405, and the water discharging mechanism 4 pumps out the rainwater accumulated in the seam between the bridge head access board body 2 and the bridge head roadbed 5 through the cooperation of the water pump 401, the protection tank 402, the water pumping pipeline 403, the water pumping pipeline 404 and the water collecting tank 405 and collects the rainwater in the water collecting tank 405, so that corrosion damage caused by a large amount of accumulated rainwater in the seam is avoided, and the water is convenient to process the unused water collected in the water collecting tank 405 through the cooperation of the valve 406 and the water discharging pipeline 407.

(2) After the bridge head butt strap body 2 is installed, the sealing gasket 411 is attached to the bridge head roadbed 5 and is pushed upwards. The sealing gasket 411, the sealing gasket 411 drives the connecting plate 410 to move upwards together and compresses the sealing spring 408 through the connecting plate 410, the sealing spring 408 is pressed to generate a reactive force to push the connecting plate 410 downwards and push the sealing gasket 411 downwards through the connecting plate 410, and the sealing assembly is matched with the sealing spring 408, the movable plate 409, the connecting plate 410, the sealing gasket 411, the limiting block 412 and the limiting spring 413 to enable the joint of the bridge head butt strap body 2 and the bridge head roadbed 5 to be sealed so as to prevent small gaps existing at the joint from flowing into rainwater, and the rainwater enters into the foundation body 1 through the gaps to cause corrosion damage to the bridge head butt strap body 2 and the bridge head roadbed 5.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reinforced structure of subsidence bridgehead strap soft foundation, includes foundation body (1), its characterized in that: the left side of the foundation body (1) is fixed with a bridge head roadbed (5), the upper surface of the foundation body (1) is fixed with a bridge head access board body (2), the upper surface of the bridge head access board body (2) is fixed with a bridge head pavement (3), and the upper surface of the bridge head roadbed (5) is provided with a water removing mechanism (4) for removing water;

the water removing mechanism (4) comprises a water collecting tank (405) fixed on the upper surface of the bridge head roadbed (5), a water conveying pipeline (403) is communicated on the right side of the water collecting tank (405), one end, far away from the water collecting tank (405), of the water conveying pipeline (403) is communicated with a water pump (401) and the water pump (401) is fixed on the upper surface of the bridge head roadbed (5), a water suction pipeline (404) is communicated on the right side of the water pump (401), and one end, far away from the water pump (401), of the water suction pipeline (404) is located between one side, opposite to the bridge head roadbed (5) and the bridge head access board body (2);

the top wall of the inner cavity of the bridge head butt strap body (2) is provided with a sealing component for improving the sealing performance.

2. The reinforcing structure of a soft foundation of a sunk bridge deck, as set forth in claim 1, wherein: the water removal mechanism (4) further comprises a drainage pipeline (407) communicated to the left side of the water collection tank (405), a valve (406) is fixed to the outer side of the drainage pipeline (407), and a protection tank (402) is fixed to the right side of the water collection tank (405).

3. The reinforcing structure of a soft foundation of a sunk bridge deck, as set forth in claim 2, wherein: the shape of the protective box (402) is a cuboid with hollow inside and missing left side and lower surface, a connecting hole is formed in the upper surface of the bridge head roadbed (5), and the water pumping pipeline (404) is fixed in the connecting hole.

4. The reinforcing structure of a soft foundation of a sunk bridge deck, as set forth in claim 1, wherein: the sealing assembly comprises sealing springs (408) which are fixed on the top wall of the inner cavity of the bridge head butt strap body (2) and have the number not less than two, a connecting plate (410) is fixed on the lower surface of the sealing springs (408), and a sealing gasket (411) is inserted into the connecting plate (410).

5. The reinforcing structure of a soft foundation of a sunk bridge deck of claim 4, wherein: the sealing assembly further comprises limiting springs (413) which are fixed inside the connecting plate (410) and are not less than two in number, movable plates (409) are fixed on the left side and the right side of the limiting springs (413) on the opposite sides, and limiting blocks (412) which are inserted inside the sealing gasket (411) are fixed on the opposite sides of the two movable plates (409).

6. The reinforcing structure of a soft foundation of a sunk bridge deck of claim 4, wherein: the number of the sealing springs (408) is not less than two, the sealing springs are uniformly distributed on the top wall of the inner cavity of the bridge head butt strap body (2), and sealing grooves for inserting sealing gaskets (411) are formed in the lower surface of the connecting plate (410).

7. The reinforcing structure of a soft foundation of a sunk bridge deck of claim 5, wherein: limiting grooves for inserting limiting springs (413) are formed in the left side and the right side of the sealing gasket (411), and movable grooves for sliding connection of movable plates (409) are formed in the connecting plate (410).