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Construction method for treating old retaining wall by arranging stretching buffer layer

A construction method and buffer layer technology, applied in artificial islands, water conservancy projects, infrastructure projects, etc., can solve problems such as lengthening the construction period, destroying the stability of the side of the road, and increasing the risk of safety protection at operating points.

Pending Publication Date: 2021-06-01
广西建工第五建筑工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The construction method of the ecological demolition structure of the retaining wall in the above patent has the following disadvantages: in the process of demolishing the old retaining wall, the stability of the side of the original road is destroyed, the construction period is lengthened, and the safety protection risk of the operation point is increased

Method used

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  • Construction method for treating old retaining wall by arranging stretching buffer layer
  • Construction method for treating old retaining wall by arranging stretching buffer layer
  • Construction method for treating old retaining wall by arranging stretching buffer layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A construction method for setting tension buffer layer to deal with old retaining wall, such as Figure 1-8 shown, including the following steps:

[0041]S1: Construction preparation: Familiarize yourself with the site conditions, measure and confirm the position and geometric dimensions of the old retaining wall 1, the proposed new demolition surface 1-1, and the elevation, measure and locate the location and elevation of the new road subgrade 5, and on site, be clearly identified;

[0042] S2: Pre-backfilling of the widened road section: delineate the construction area 3 of the widened road section, and carry out pre-backfilling according to the requirements of the design drawings and the relevant provisions of the construction specification;

[0043] S3: Destroy the top wall: use mechanical equipment to destroy the old retaining wall 1 wall from top to bottom, expand and excavate the earthwork until the set elevation, and form a new demolished surface 1-1;

[0044]...

Embodiment 2

[0057] A construction method for setting tension buffer layer to deal with old retaining wall, such as Figure 1-8 shown, including the following steps:

[0058] S1: Construction preparation: Familiarize yourself with the site conditions, measure and confirm the position and geometric dimensions of the old retaining wall 1, the proposed new demolition surface 1-1, and the elevation, measure and locate the location and elevation of the new road subgrade 5, and on site, be clearly identified;

[0059] S2: Pre-backfilling of the widened road section: delineate the construction area 3 of the widened road section, and carry out pre-backfilling according to the requirements of the design drawings and the relevant provisions of the construction specification;

[0060] S3: Destroy the top wall: use mechanical equipment to destroy the old retaining wall 1 wall from top to bottom, expand and excavate the earthwork until the set elevation, and form a new demolished surface 1-1;

[0061...

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Abstract

The invention discloses a construction method for treating an old retaining wall by arranging a stretching buffer layer, and relates to the technical field of civil engineering. The problems that the construction period is prolonged, and the safety protection risk of operation points is increased are solved. The construction method specifically comprises the following steps: construction preparation: being familiar with site conditions, measuring and confirming the position and geometric dimension of an old retaining wall, simulating a new broken surface and elevation, measuring and positioning to obtain the position and elevation of a new road roadbed, making an obvious mark on site, compiling a special construction scheme, and determining specific construction methods and measures, traffic diversion and protection measures and detailed technical disclosure and safety disclosure for operating personnel and management personnel; widening road section pre-backfilling: delimiting a widening road section construction area, and performing pre-backfilling according to design drawing requirements and related regulations of construction specifications. According to the method, unnecessary work content is greatly reduced, the production efficiency is improved by reducing the workload, and the construction period is shortened.

Description

technical field [0001] The invention relates to the technical field of civil engineering, in particular to a construction method for treating an old retaining wall by setting a tensile buffer layer. Background technique [0002] In the design and construction of road expansion and widening projects, old retaining walls matching the original roads are often encountered. The old retaining wall plays the role of supporting the original road structure system and maintaining the stability of the slope where the original road and the surrounding natural ground are at the height difference. Due to the defects in the construction design or the influence of the natural environment, the retaining wall will have aging, cracking and other diseases during use, which seriously threatens the safety of the structure. It is necessary to demolish the retaining wall in time and deal with the old retaining wall The existing construction technology is to excavate and smash all the retaining wal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C3/00E01C3/04E02D29/02
CPCE01C3/00E01C3/003E01C3/04E02D29/02
Inventor 刘存文王俊胡文涛吴孝彬吴都
Owner 广西建工第五建筑工程集团有限公司
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