Box culvert pipeline protection device passing through complex structure

Abstract

The utility model relates to the technical field of road engineering construction, in particular to a box culvert pipeline protection device passing through a complex structure, which comprises a protection culvert, a water feeding pipeline is arranged on two sides of the outer wall of the protection culvert in a penetrating manner, and a protection part for supporting and protecting the water feeding pipeline is arranged in the protection culvert. The reinforced concrete cover plate is arranged on the protection culvert, the two ends of the outer wall of the water feeding pipeline are both fixedly communicated with valves, the protection component comprises water pipe buttresses, and the water pipe buttresses are both fixed at the bottom end of the inner wall of the protection culvert. By matching with valves arranged on the two sides of the water feeding pipeline and reserved points at the two ends of the water feeding pipeline, personnel can conveniently overhaul the water feeding pipeline in the follow-up process, and meanwhile the deformation resistance and shock resistance of the protection culvert can be improved through a deformation joint and an asphalt wood plate; and through the arranged asphalt felt and polysulfide sealant, the anti-leakage performance of the whole device can be improved.

Description

Technical Field

[0001] This utility model relates to the field of road engineering construction technology, specifically to a protective device for box culvert pipes passing through complex structures. Background Technology

[0002] Pipeline crossing protection culverts are specially designed structures primarily used to protect the safety and stability of underground pipelines when they cross obstacles such as roads, rivers, and railways. They provide a physical barrier to prevent direct impacts from the external environment, such as ground subsidence, traffic vibrations, and water flow impacts, while ensuring the normal operation of the pipeline within the crossing area.

[0003] When water supply pipelines pass through complex structures such as overpasses and under high-speed railways, protective culverts are typically installed on the outside of the pipeline to protect its outer wall from damage. Commonly used protective culverts are shown in the attached instruction manual. Figure 5 As shown, the main method is to pour a cement sealing box on the outer wall of the pipe to protect the water supply pipe. Although this method can play a certain protective role, the whole structure is made of cement and steel bars, which makes it prone to water leakage at the connection between the culvert and the cover. At the same time, the seismic performance of the entire protective culvert is also relatively poor, so it has certain shortcomings.

[0004] In conclusion, it is necessary to invent a protective device for culvert pipes passing through complex structures. Utility Model Content

[0005] Therefore, this utility model provides a protective device for culvert pipes passing through complex structures, which solves the problem that although this method can play a certain protective role, it is easy for water to leak at the connection between the culvert body and the cover, and the overall seismic performance of the protective culvert is also relatively poor.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a culvert pipe protection device for complex structures, including a protective culvert, wherein water supply pipes are installed through both sides of the outer wall of the protective culvert, and protective components for supporting and protecting the water supply pipes are installed inside the protective culvert.

[0007] Preferably, valves are fixedly connected to both ends of the outer wall of the water supply pipe, and the protective component includes water pipe supports. The water pipe supports are fixed to the bottom of the inner wall of the protective culvert, and the bottom of the outer wall of the water supply pipe abuts against the top of the outer wall of the water pipe support.

[0008] Preferably, the inner wall of the protective culvert and the outer side of the water supply pipe are filled with rice sand, and waterproof tar paper is placed at the top edge of the outer wall of the protective culvert.

[0009] Preferably, a base plate is fixed to the bottom of the outer wall of the protective culvert. The base plate includes a steel reinforcement base plate, which is fixed to the bottom of the outer wall of the protective culvert. A concrete pad is provided below the bottom of the outer wall of the steel reinforcement base plate.

[0010] Preferably, the thickness of the reinforcing steel base plate is greater than the thickness of the concrete cushion layer, and a crushed stone cushion layer is provided at the end of the concrete cushion layer away from the reinforcing steel base plate.

[0011] Preferably, a reinforced concrete cover plate for top sealing is provided at the top of the outer wall of the protective culvert and above the asphalt felt. The bottom of the outer wall of the reinforced concrete cover plate abuts against the top of the outer wall of the asphalt felt, and the bottom of the outer wall of the reinforced concrete cover plate and the top of the outer wall of the protective culvert are fixed by anchor bolts.

[0012] Preferably, a road surface layer is laid on the top of the outer wall of the reinforced concrete cover plate, the thickness of the road surface layer is greater than the thickness of the reinforced concrete cover plate, and a soil cover layer is laid on the upper part of the outer wall of the road surface layer.

[0013] Preferably, an expansion joint is provided at the centerline of the protective culvert, the inner wall of the expansion joint is filled with asphalt wood board, and the expansion joint is sealed with polysulfide sealant.

[0014] The beneficial effects of this utility model are:

[0015] In this utility model, by separating the protective culvert and the reinforced concrete cover plate, and cooperating with the valves on both sides of the water supply pipe and the reserved points at both ends of the water supply pipe, it is convenient for personnel to carry out subsequent maintenance on the water supply pipe. At the same time, the expansion joint and asphalt wood board can improve the deformation resistance and seismic resistance of the protective culvert, and the asphalt felt and polysulfide sealant can improve the overall anti-leakage performance of the device, thus making it more convenient for personnel to use. Attached Figure Description

[0016] Figure 1 This is a partial cross-sectional view of the present invention from the front view.

[0017] Figure 2 This is a cross-sectional view of the present invention from the side.

[0018] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0019] Figure 4 This is a schematic diagram of the structure above the reinforced concrete cover plate in this utility model;

[0020] Figure 5 This is a schematic diagram of the existing water supply pipeline protection structure of this utility model.

[0021] In the diagram: 100, culvert; 110, water pipe support; 120, sand; 200, base slab; 210, reinforced base slab; 220, concrete cushion layer; 230, crushed stone cushion layer; 300, water supply pipe; 310, valve; 400, reinforced concrete cover slab; 410, soil cover layer; 420, pavement layer; 500, asphalt felt; 510, anchor bolt reinforcement; 600, expansion joint; 610, asphalt plank. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] See attached document Figures 1-5 This utility model provides a protective device for a culvert pipe passing through a complex structure, including a protective culvert 100. The protective culvert 100 is entirely made of reinforced concrete with a seepage resistance grade of P8. Water supply pipes 300 are installed through both sides of the outer wall of the protective culvert 100. Valves 310 are fixedly connected to both ends of the outer wall of the water supply pipes 300. The valves 310 can be selected as DN1200 valves with expansion joints to facilitate subsequent maintenance of the water supply pipes 300. Protective components for supporting and protecting the water supply pipes 300 are installed inside the protective culvert 100. The protective components include water pipe supports 110, which are fixed to the bottom of the inner wall of the protective culvert 100. The water pipe support 110 is mainly used to support the water supply pipe 300 passing through the protective culvert 100. At the same time, within the protective culvert 100 and at both ends of the water supply pipe 300, a maintenance space of 0.9-1.2 meters needs to be reserved on both sides of the pipe, and a space of 1.1 meters needs to be reserved above the top of the pipe. The bottom of the outer wall of the water supply pipe 300 abuts against the top of the outer wall of the water pipe support 110. The inner wall of the protective culvert 100 and the outer side of the water supply pipe 300 are filled with sand 120. The sand 120 is used to backfill the area inside the protective culvert 100 located outside the water supply pipe 300. The distance between the top of the sand 120 and the reinforced concrete cover plate 400 is set to 15cm.

[0024] The bottom of the outer wall of the protective culvert 100 is fixed with a base plate 200. The base plate 200 includes a steel reinforcement base plate 210, which is fixed to the bottom of the outer wall of the protective culvert 100. A concrete cushion layer 220 is provided below the bottom of the outer wall of the steel reinforcement base plate 210. The thickness of the steel reinforcement base plate 210 is greater than the thickness of the concrete cushion layer 220. A crushed stone cushion layer 230 is provided at the end of the concrete cushion layer 220 away from the steel reinforcement base plate 210. The thickness of the steel reinforcement base plate 210 is 40cm, and the thickness of the concrete cushion layer 220 and the crushed stone cushion layer 230 is 10cm. The base plate 200 is mainly used to support the bottom of the protective culvert 100.

[0025] Waterproof tar paper 500 is placed at the top edge of the outer wall of the protective culvert 100. This tar paper 500 is a waterproof material made by impregnating or coating felt with an oily substance (usually asphalt or other waterproofing materials). The tar paper 500 is primarily used to prevent seepage at the connection between the protective culvert 100 and the reinforced concrete cover plate 400. Above the tar paper 500, a reinforced concrete cover plate 400 is installed for top sealing. The bottom edge of the outer wall of the reinforced concrete cover plate 400 abuts against the top edge of the outer wall of the tar paper 500. The reinforced concrete cover plate 400 is made of cast concrete and reinforcing steel, and its main function is to seal the top of the protective culvert 100, thereby protecting the water supply pipe 300. The bottom edge of the outer wall of the reinforced concrete cover plate 400 is fixed to the top edge of the outer wall of the protective culvert 100 using anchor bolts 510. The anchor bolts 510 are used to securely connect the protective culvert 100 and the reinforced concrete cover plate 400. A road surface layer 420 is laid on the top of the outer wall of the reinforced concrete cover plate 400. The thickness of the road surface layer 420 is greater than that of the reinforced concrete cover plate 400. A soil cover layer 410 is laid on the upper part of the outer wall of the road surface layer 420. The soil cover layer 410 is designed to fit the road surface at the installation location of the culvert 100. The road surface layer 420 is provided to facilitate road construction at the top of the reinforced concrete cover plate 400. An expansion joint 600 is provided at the center line of the culvert 100. The inner wall of the expansion joint 600 is filled with asphalt wood board 610. The expansion joint 600 is sealed with polysulfide sealant. The expansion joint 600 and the asphalt wood board 610 are designed to effectively absorb the expansion or deformation caused by temperature changes or foundation movement of the culvert 100, thereby reducing damage to the structure. The polysulfide sealant is provided to prevent moisture from entering the culvert 100 through the gaps, thus protecting the interior of the structure from moisture.

[0026] The usage process of this utility model is as follows: Those skilled in the art can first excavate a pit at the installation location according to construction requirements to place the protective culvert 100 and the water supply pipe 300. Simultaneously, all silt at the bottom must be removed. Then, personnel can lay a gravel cushion layer 230, a concrete cushion layer 220, and a reinforced steel base plate 210 in the pit. Next, the protective culvert 100 is hoisted onto the top of the base plate 200. Then, the water supply pipe 300 is hoisted and placed on the water pipe support 110. Subsequently, the protective culvert 100 is placed on the water pipe support 110 and the water supply pipe 300... The outer side is backfilled with 120 grit sand. After completion, anchor bolts 510 are pre-embedded at the top of the culvert 100, and waterproof felt 500 is laid on the outer side of the top of the culvert 100. Then, the reinforced concrete cover plate 400 is hoisted onto the culvert 100. After the reinforced concrete cover plate 400 is hoisted into place, the anchor bolt holes in the reinforced concrete cover plate 400 are filled with elastic material asphalt mastic. Finally, a road surface layer 420 is laid on the top of the outer wall of the reinforced concrete cover plate 400, and a soil cover layer 410 is constructed on top of the road surface layer 420.

[0027] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A box culvert pipe protection device through a complex structure, comprising a protection culvert (100), an upper water pipe (300) is arranged through the both sides of the outer wall of the protection culvert (100), characterized in that: The inside of the protection culvert (100) is provided with an upper water pipeline (300) to support the protective components.

2. The box culvert pipe protection device through complex construction according to claim 1, characterized in that: Both ends of the outer wall of the upper water pipeline (300) are fixedly connected with valves (310), the protective components include water pipe buttresses (110), the water pipe buttresses (110) are fixed at the bottom end of the inner wall of the protection culvert (100), and the bottom end of the outer wall of the upper water pipeline (300) abuts against the top end of the outer wall of the water pipe buttress (110).

3. The box culvert pipe protection device through complex construction according to claim 2, characterized in that: The inner wall of the protection culvert (100) and the outer side of the upper water pipeline (300) are filled with rice sand (120), and waterproof oil felt (500) is arranged at the top end edge of the outer wall of the protection culvert (100).

4. The box culvert pipe protection device through complex construction according to claim 3, characterized in that: The bottom end of the outer wall of the protection culvert (100) is fixedly provided with a base plate (200), the base plate (200) includes a steel reinforced bottom plate (210), the steel reinforced bottom plate (210) is fixed at the bottom end of the outer wall of the protection culvert (100), and a concrete cushion layer (220) is arranged below the bottom end of the outer wall of the steel reinforced bottom plate (210).

5. The box culvert pipe protection device through complex construction according to claim 4, characterized in that: The thickness size of the steel reinforced bottom plate (210) is greater than that of the concrete cushion layer (220), and the concrete cushion layer (220) is provided with a gravel cushion layer (230) away from the steel reinforced bottom plate (210).

6. The box culvert pipe protection device through complex construction according to claim 3, characterized in that: The top end of the outer wall of the protection culvert (100) and above the oil felt (500) are provided with a steel reinforced concrete cover plate (400) for sealing the top, the bottom end of the outer wall of the steel reinforced concrete cover plate (400) abuts against the top end of the outer wall of the oil felt (500), and the bottom end of the outer wall of the steel reinforced concrete cover plate (400) and the top end of the outer wall of the protection culvert (100) are fixed through anchor steel bars (510).

7. The box culvert pipe protection device through complex construction according to claim 6, characterized in that: The top end of the outer wall of the steel reinforced concrete cover plate (400) is paved with a layer of pavement layer (420), the thickness size of the pavement layer (420) is greater than that of the steel reinforced concrete cover plate (400), and the outer wall of the pavement layer (420) is paved with a soil covering layer (410).

8. The box culvert pipe protection device through complex construction according to claim 1, wherein: A deformation joint (600) is arranged at the center line position of the protection culvert (100), the inner wall of the deformation joint (600) is filled with an asphalt wood board (610), and the deformation joint (600) is sealed through a polysulfide sealing paste.

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