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Construction method of pile foundation anchor rope prestress high retaining wall

A construction method and high retaining wall technology, which can be used in infrastructure engineering, artificial islands, water conservancy projects, etc., can solve problems such as insufficient anti-slip ability and weak ability to resist geological disasters

Active Publication Date: 2015-03-04
ANHUI ROAD & BRIDGE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition to their respective advantages, these high retaining wall structures also have their disadvantages and applicability, such as: when the high retaining wall carries important buildings or traffic loads, its anti-sliding ability is insufficient; the ability to resist geological disasters Weaker etc.

Method used

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  • Construction method of pile foundation anchor rope prestress high retaining wall
  • Construction method of pile foundation anchor rope prestress high retaining wall
  • Construction method of pile foundation anchor rope prestress high retaining wall

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. While the invention will be described in conjunction with the preferred embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.

[0025] refer to figure 1 As shown, open prestressed pipe piles 5 with a length of 18m, a pile diameter of 0.5m, and a wall thickness of 0.1m are laid in the foundation. The distance between the pipe piles is 4m, forming a pile group of 4 rows×25 columns. The height of the formed soil plug is between 12 and 14m, and the expansive concrete 9 containing 5‰ expansion agent is poured on the top of the soil plug of each pipe pile 5. When pouring, a long anchor cable with a diameter of 3 cm and a length...

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Abstract

The invention relates to a construction method of a pile foundation anchor rope prestress high retaining wall. A coping section is arranged on the upper part of a cantilever board, the bottom of the cantilever board is provided with a bottom board; a tubular pile is embedded into the bottom board; a bracing piece is arranged behind the cantilever board and is fixedly arranged on the upper part of the bottom board; the bracing piece is connected with the cantilever board and the bottom board through a fixed end; an anchor rope penetrates through the cantilever board, the bottom board and the inner side of the tubular pile through the fixed end; the coping section and the bottom board are of a reinforced concrete structure; the top of the coping section is provided with a fixing end; the upper part of the bottom board is provided with a fixing end; an anchor rope preformed hole is pre-arranged for connecting a prestress anchor rope to form the pile foundation anchor rope prestress high retaining wall. The technology has favorable technical economic benefit.

Description

technical field [0001] The invention relates to a construction method for improving a retaining structure, in particular to a construction method for a pile foundation anchor cable prestressed high retaining wall structure. Background technique [0002] A retaining wall refers to a structure that supports roadbed fill or hillside soil and prevents the deformation and instability of fill or soil. According to its stiffness and displacement mode, it can be divided into three categories: rigid retaining wall, flexible retaining wall and temporary support. According to the location of the retaining wall, it can be divided into shoulder wall, embankment wall, cutting wall and hillside wall. According to the height of the retaining wall: the wall height ≤ 5m belongs to the ordinary retaining wall, and the wall height ≥ 8m belongs to the high retaining wall. When the wall of the retaining wall is too high, in order to increase the bending stiffness of the cantilever, a buttress i...

Claims

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Application Information

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IPC IPC(8): E02D29/02
CPCE02D29/02
Inventor 王新泉
Owner ANHUI ROAD & BRIDGE GRP
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