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Construction method of urban comprehensive pipe gallery

A technology of integrated pipe gallery and construction method, applied in artificial islands, water conservancy projects, infrastructure projects, etc., can solve problems such as unreasonable utilization of construction space, and achieve the effects of improving construction efficiency, strengthening structural strength, and high utilization rate

Inactive Publication Date: 2018-04-13
SHANGHAI MECHANIZED CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a construction method for urban comprehensive pipe gallery, aiming to solve the problem of unreasonable utilization of construction space

Method used

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  • Construction method of urban comprehensive pipe gallery
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  • Construction method of urban comprehensive pipe gallery

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A construction method for an urban comprehensive pipe gallery, such as figure 1 and figure 2 shown, including the following steps:

[0031] Step 1, put two rows of steel sheet piles 5 below the ground;

[0032] Step 2, inserting two rows of prefabricated ground walls 1 into the soil between the two rows of steel sheet piles 5, and making the prefabricated ground walls 1 stand opposite each other;

[0033] Step 3, inject cement slurry into the soil below the ground between the two prefabricated ground walls 1, and mix the cement slurry with the soil to form cement soil 2;

[0034] Step 4: Excavate the soil between the two prefabricated ground walls 1 to the upper surface of the prefabricated ground wall 1, and then set a second support body between the two steel sheet piles 5 for fixing the two steel sheet piles 5 s position;

[0035] Step 5, continue to dig down until the upper surface of the cement soil 2 is dug, and connect the first support body at the top of th...

Embodiment 2

[0048] A construction method for an urban comprehensive pipe gallery, such as image 3 shown, including the following steps:

[0049] Step 1, put two steel sheet piles 5 and the prefabricated ground wall 1 sequentially below the ground, the steel sheet piles 5 are distributed on both sides of the prefabricated ground wall 1, wherein the top of the prefabricated ground wall 1 is lower than the ground, and the top of the steel sheet pile 5 is flush with the ground Flat, the bottom end is lower than the top of the prefabricated ground wall 1;

[0050] Step 2, inject cement slurry under the soil between the prefabricated ground walls 1, and mix the cement slurry with the soil to form cement soil 2;

[0051] Step 3: Excavate the soil between the prefabricated ground walls 1, and during the excavation process, first set a second support body between the two rows of opposing steel sheet piles 5 for supporting the two rows of opposing steel sheet piles 5, until the top of the prefabri...

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Abstract

The invention provides a construction method of an urban comprehensive pipe gallery. The construction method comprises the following steps that firstly, prefabricated ground walls are placed below theground and are erected oppositely; secondly, cement grout is injected into soil below the position, between the two prefabricated ground walls, of the ground, and the cement grout and the soil are mixed to form cemented soil; thirdly, the soil between the two prefabricated ground walls is dug out, and digging is carried out to the upper surface of the cemented soil; fourthly, reinforced concreteis manufactured to the upper surface of the cemented soil, a bottom plate of the comprehensive pipe gallery is formed, and meanwhile the two prefabricated ground walls are used as side plates of the comprehensive pipe gallery to be connected to the two sides of the bottom plate; fifthly, a prefabricated top plate is placed at the top ends of the prefabricated ground walls; and sixthly, the prefabricated top plate and the top ends of the prefabricated ground walls are in sealed connection, earthing backfill is carried out on the top of the prefabricated top plate, and construction of the comprehensive pipe gallery is completed. By means of the construction method of the urban comprehensive pipe gallery, the utilization rate of construction space is higher.

Description

technical field [0001] The invention belongs to the technical field of underground construction and relates to a construction method for an urban comprehensive pipe gallery. Background technique [0002] The comprehensive pipe gallery is also called the underground common trench (or the underground comprehensive pipe trench). Ports, inspection ports and detection and control systems. [0003] The comprehensive utility corridor can effectively avoid problems such as fragmentation, repeated construction and even mutual influence of various urban management departments in terms of infrastructure construction, which contains the concept of comprehensive urban planning and comprehensive management. At present, most of the existing design forms for the foundation pit enclosure of comprehensive pipe gallery are SMW piles, that is, three-axis cement-soil mixing piles are inserted with section steel, which cannot be used as a part of the permanent structure of the pipe trench, that ...

Claims

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Application Information

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IPC IPC(8): E02D29/045
CPCE02D29/10
Inventor 葛欣铭李颖徐军彪茅翌敏李操沈佳敏周铮周蓉峰
Owner SHANGHAI MECHANIZED CONSTR GRP
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