Integral winding and moving structure for existing pipeline in foundation pit construction

Abstract

The utility model relates to the technical field of pipeline construction, in particular to a foundation pit construction existing pipeline integral type winding structure which comprises a foundation pit body and a rain sewage pipe right above the foundation pit body, three groups of winding pipes are connected to the surface of the rain sewage pipe in a hoop mode, and the three groups of winding pipes are connected through hoops. And the bypassing pipe comprises a concrete pipe. According to the bypass pipe, the mode that the concrete pipe and the steel pipe are combined in a nested mode is adopted, the steel pipe provides structural strength and corrosion resistance, the concrete pipe provides additional support and protection, cement mortar is injected between the concrete pipe and the steel pipe, a gap between the concrete pipe and the steel pipe can be filled, the stability of the bypass pipe is improved, and the service life of the bypass pipe is prolonged. Therefore, the using effect of the bypass pipe is improved, instability and fracture of the bypass pipe are avoided, use of the rain sewage pipe and the bypass pipe after landfill is guaranteed, and normal underground use of the pipeline is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline construction technical field, concretely is a whole type structure of existing pipeline of around migration of foundation pit construction. BACKGROUND

[0002] When carrying out foundation pit construction, if the construction area has existing rain and sewage pipelines, these pipelines usually need to be migrated to avoid affecting the foundation pit operation space. However, the rain and sewage pipelines usually adopt a socket structure, which is easy to lose stability and break in a suspended state, leading to pipeline failure and affecting the normal use of underground space. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a whole type structure of existing pipeline of around migration of foundation pit construction to solve the problem of rain and sewage pipelines usually adopting a socket structure, which is easy to lose stability and break in a suspended state, leading to pipeline failure and affecting the normal use of underground space.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a whole type structure of existing pipeline of around migration of foundation pit construction: including foundation pit body and rain and sewage pipe directly above the foundation pit body, the surface of the rain and sewage pipe is connected with the bypass pipe through a hoop, the bypass pipe is provided with three groups, and the three groups of bypass pipes are also connected through a hoop, the bypass pipe includes a concrete pipe, the outer surface of the concrete pipe is sleeved with a steel ring, the surface of the steel ring is fixedly connected with a steel pipe, the surface of the steel ring is provided with a grouting hole, and the steel ring and the steel pipe are filled with cement mortar.

[0005] Preferably, the rain and sewage pipe is provided with multiple groups, and the multiple groups of rain and sewage pipes are connected in a straight line.

[0006] Preferably, the rain and sewage pipe directly above the foundation pit body needs to be removed, and the length of the removed rain and sewage pipe is greater than the width of the foundation pit body.

[0007] Preferably, the bypass pipe is in the shape of an isosceles trapezoid as a whole on the rain and sewage pipe.

[0008] Preferably, the concrete pipe supports the steel pipe through the steel ring, and the diameter of the steel pipe is greater than the diameter of the concrete pipe.

[0009] Preferably, the grouting hole is provided with two groups, the cement mortar is filled between the concrete pipe and the steel pipe through the cement mortar, and the steel ring seals the cement mortar between the steel ring and the steel pipe.

[0010] Preferably, the steel pipe is fixedly connected with the concrete pipe and the steel ring after solidification, and the grouting hole is in the shape of a pipe as a whole after solidification between the steel ring and the steel pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The bypass pipe of this relocation structure adopts a clamp-type connection, and the bypass pipe uses a nested combination of concrete pipe and steel pipe. The steel pipe provides structural strength and corrosion resistance, while the concrete pipe provides additional support and protection. Cement mortar is injected between the concrete pipe and the steel pipe to fill the gap between them, which improves the stability of the bypass pipe and thus improves its performance. This prevents the bypass pipe from becoming unstable and breaking, ensuring the use of the rainwater and sewage pipes and the bypass pipe after burial, and will not affect the normal use of the pipeline underground.

[0013] 2. The innermost concrete pipe of the bypass pipe can withstand the corrosion of rainwater and sewage, and the bypass pipe can continue to be used underground for a long time in conjunction with the rainwater and sewage pipe. Attached Figure Description

[0014] Figure 1 This is a top view of the overall structure of this utility model;

[0015] Figure 2 This is a front sectional view of the bypass tube structure of this utility model;

[0016] Figure 3 This is a three-dimensional sectional view of the steel pipe structure of this utility model from the rear.

[0017] Figure 4 This is a frontal sectional three-dimensional schematic diagram of the concrete pipe structure of this utility model.

[0018] In the diagram: 1. Excavation pit body; 11. Rainwater and sewage pipe; 12. Detour pipe; 2. Concrete pipe; 21. Steel ring; 22. Steel pipe; 23. Grouting hole; 24. Cement mortar. Detailed Implementation

[0019] Please see Figures 1-4 One embodiment provided by this utility model:

[0020] An integrated bypass structure for existing pipelines during foundation pit construction includes a foundation pit body 1 and a storm drain pipe 11 directly above the foundation pit body 1. A bypass pipe 12 is connected to the surface of the storm drain pipe 11 via a hoop. Three sets of bypass pipes 12 are provided, and the three sets of bypass pipes 12 are also connected by hoop joints. Each bypass pipe 12 includes a concrete pipe 2. A steel ring 21 is fitted onto the outer surface of the concrete pipe 2. A steel pipe 22 is fixedly connected to the surface of the steel ring 21. Grouting holes 23 are opened on the surface of the steel ring 21. The steel ring 21 and the steel... Pipe 22 is filled with cement mortar 24. The bypass pipe 12 adopts a nested combination of concrete pipe 2 and steel pipe 22. The steel pipe 22 provides structural strength and corrosion resistance, while the concrete pipe 2 provides additional support and protection. The cement mortar 24 injected between the concrete pipe 2 and the steel pipe 22 can fill the gap between the concrete pipe 2 and the steel pipe 22, improve the stability of the bypass pipe 12, thereby improving the performance of the bypass pipe 12 and preventing the bypass pipe 12 from becoming unstable and breaking.

[0021] Furthermore, multiple sets of rainwater and sewage pipes 11 are provided, and these multiple sets of rainwater and sewage pipes 11 are connected in a straight line. The straight line of the rainwater and sewage pipes 11 will cause obstruction when the foundation pit body 1 is excavated, thus requiring the use of detour pipes 12 to provide sufficient space for construction.

[0022] Furthermore, the storm drain pipe 11 directly above the foundation pit body 1 needs to be removed, and the length of the removed storm drain pipe 11 is greater than the width of the foundation pit body 1, so as not to affect the working space of the foundation pit body 1.

[0023] Furthermore, the bypass pipe 12 is in the shape of an isosceles trapezoid on the rainwater and sewage pipe 11, which can bypass the space for the pit operation. The three sets of bypass pipes 12 are connected by a clamp to avoid pipeline breakage caused by bending of the bypass pipe 12.

[0024] Furthermore, the concrete pipe 2 supports the steel pipe 22 through the steel ring 21. The diameter of the steel pipe 22 is larger than the diameter of the concrete pipe 2, so that there is a gap between the concrete pipe 2 and the steel pipe 22, which facilitates the filling of cement mortar 24 between the concrete pipe 2 and the steel pipe 22.

[0025] Furthermore, two sets of grouting holes 23 are provided. Cement mortar 24 is used to fill the gap between the concrete pipe 2 and the steel pipe 22. The steel ring 21 seals the cement mortar 24 between the steel ring 21 and the steel pipe 22, so that the cement mortar 24 fills the gap between the concrete pipe 2 and the steel pipe 22.

[0026] Furthermore, after the steel pipe 22 solidifies, it fixes the concrete pipe 2, steel ring 21 and steel pipe 22 together. After the grouting hole 23 solidifies between the steel ring 21 and steel pipe 22, it becomes a tubular structure. The cement mortar 24 improves the overall structural stability of the bypass pipe 12. The concrete pipe 2 on the bypass pipe 12 is used to contact rainwater and sewage, which can prevent corrosion and ensure the future use of the bypass pipe 12.

[0027] Working principle: The storm drain pipe 11, which occupies space directly above the foundation pit body 1, is removed. Three sets of bypass pipes 12 are then connected to the storm drain pipe 11 with clamps, so as not to affect the operation on the foundation pit body 1. The bypass pipes 12 adopt a nested combination of concrete pipe 2 and steel pipe 22. The steel pipe 22 provides structural strength and corrosion resistance, while the concrete pipe 2 provides additional support and protection. Cement mortar 24 is injected between the concrete pipe 2 and the steel pipe 22 to fill the gap between them, thereby improving the stability of the bypass pipe 12 and improving its performance. This prevents the bypass pipe 12 from becoming unstable and breaking, ensuring the use of the storm drain pipe 11 and bypass pipes 12 after burial. It will not affect the normal use of the pipeline underground. At the same time, the innermost concrete pipe 2 of the bypass pipe 12 can withstand the corrosion of storm drain pipes, allowing the bypass pipe 12 to continue to be used underground for a long time in conjunction with the storm drain pipe 11.

Claims

1. An integral relocation structure for existing pipelines during foundation pit construction, comprising a foundation pit body and a stormwater and sewage pipe directly above the foundation pit body, characterized in that: The surface of the storm drain pipe is fitted with a bypass pipe. There are three sets of bypass pipes, and the three sets of bypass pipes are also connected by a clamp. The bypass pipe includes a concrete pipe. The outer surface of the concrete pipe is fitted with a steel ring. A steel pipe is fixedly connected to the surface of the steel ring. Grouting holes are opened on the surface of the steel ring. The steel ring and the steel pipe are filled with cement mortar.

2. The integral bypass structure for existing pipelines during foundation pit construction according to claim 1, characterized in that: The rainwater and sewage pipes are provided in multiple sets, and the multiple sets of rainwater and sewage pipes are connected in a straight line.

3. The integral bypass structure for existing pipelines during foundation pit construction according to claim 1, characterized in that: The storm drain pipe directly above the foundation pit needs to be removed, and the length of the removed storm drain pipe must be greater than the width of the foundation pit.

4. The integral relocation structure for existing pipelines during foundation pit construction according to claim 3, characterized in that: The bypass pipe is in the shape of an isosceles trapezoid on the rainwater and sewage pipe.

5. The integral bypass structure for existing pipelines during foundation pit construction according to claim 1, characterized in that: The concrete pipe is supported by a steel pipe with a steel ring, and the diameter of the steel pipe is larger than the diameter of the concrete pipe.

6. The integral bypass structure for existing pipelines during foundation pit construction according to claim 1, characterized in that: Two sets of grouting holes are provided. The cement mortar is filled between the concrete pipe and the steel pipe, and the steel ring seals the cement mortar between the steel ring and the steel pipe.

7. The integral bypass structure for existing pipelines during foundation pit construction according to claim 1, characterized in that: After the steel pipe solidifies, it fixes the concrete pipe, steel ring, and steel pipe together. The grouting hole solidifies between the steel ring and the steel pipe, and the whole structure becomes tubular.

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