Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure

A technology of sealing grooves and steel sheet piles, which is applied in sheet pile walls, foundation structure engineering, construction, etc., and can solve the problems of poor waterproofing effect, large engineering volume, and high cost

Pending Publication Date: 2017-10-20
JIANGSU GREEN RIVER ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a waterproof effect is not good, and the amount of work is large
In addition, in the construction of the foundation pit, the necessary concrete waterproof layer can also be

Method used

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  • Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure
  • Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure
  • Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0114] Embodiment: The present invention includes a pile wall composed of sheet piles, a pile wall (closeable) composed of two or more sheet piles in application; a pile wall formed by connecting tube piles and sheet piles, two or more tube piles The pile wall composed of piles and sheet piles also includes the pile wall formed by the connection of tube piles, and the pile wall formed by two or more tube piles.

[0115] The diameter of the steel cylinder pile (including the width of the rectangular cylinder steel pile unit) in the cylinder pile is about 50cm, and the distance between the edges of adjacent steel cylinder piles is 20-30cm, which is the narrowest point of the connecting pile. . for Figure 24-27 Although the various foundation pits are the most commonly used rectangular foundation pits, the enclosure of polygonal or irregular shaped foundation pits can be formed by connecting the unit steel cylinder piles and connecting piles of the present invention.

[0116] ...

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PUM

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Abstract

The invention relates to an enclosure for a continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures. The steel cylinders or steel plate piles adopting the seal grooves are connected to form the continuous pile wall so as to form the foundation pit enclosure, according to the steel cylinders or steel plate piles with the seal grooves, at least one seal groove is formed at the connecting positions of steel plates or piles of steel cylinder piles, the cross section of each groove is in a convex arc shape, a concave shape or a polygon shape, a matched pipe is inlaid in each groove, the steel plates or steel cylinder piles and the pipes in the grooves are jointly and independently tampered into the stratum, pipe cavities in the grooves are left or waterproof sealing materials are injected into the pipe cavities to serve as sealing layers at the connecting positions of the steel plates or the piles of the steel cylinder piles; the cross section of the connecting positions of the steel plates or the piles of the steel cylinder piles is in a hook shape or concave-convex matched or third filling block filling connecting shape; and one or more sealing grooves are formed in the pile connecting positions.

Description

technical field [0001] The invention relates to the construction of foundation pits and open cut foundations in the technical field of construction engineering, in particular to a steel cylinder or steel sheet pile and a continuous wall with a sealed and occlusal structure and its application under certain water-bearing stratum conditions, especially The seal groove and the steel cylinder of the occlusal structure or / and the continuous wall foundation pit composed of steel sheet piles use the enclosure and construction method. Background technique [0002] Steel sheet piles are the most commonly used sheet pile cofferdams. Steel sheet pile is a kind of section steel with lock. Its section has straight plate shape, groove shape and Z shape, etc., and there are various sizes and interlocking forms. The common ones are Larson type, Lackawanna type and so on. It has high strength and is easy to drive into hard soil layers; it can also be constructed in soft soil layers and dee...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D5/06E02D5/08E02D5/14E02D5/20E02D19/18
CPCE02D5/06E02D5/08E02D5/14E02D5/20E02D17/04E02D19/18E02D19/185E02D2200/16
Inventor 王林陶刚王军
Owner JIANGSU GREEN RIVER ENVIRONMENTAL TECH CO LTD
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