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Embedded anchoring-buttress type combined retaining wall structure and construction method

A construction method and buttress-type technology, applied in underwater structures, basic structure engineering, construction, etc., can solve the problems of poor stability, poor applicability, and high cost of high-buttress retaining walls, and achieve the purpose of avoiding the insufficient strength of anchor rods. The effect of meeting the requirements, short construction time and low engineering cost

Pending Publication Date: 2021-12-17
SHENYANG ZHONGJIAN DONGSHE GEOTECHN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One object of the present invention is to provide a pre-embedded anchor pull-buttress type combined retaining wall structure, and another object of the present invention is to provide its construction method, which adopts prestressed anchor pull technology and traditional buttress type retaining wall to work together The model solves the problems of poor stability, large size and high cost of high buttress retaining walls alone
The construction method solves the problem of poor applicability of existing technologies in limited working conditions

Method used

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  • Embedded anchoring-buttress type combined retaining wall structure and construction method
  • Embedded anchoring-buttress type combined retaining wall structure and construction method
  • Embedded anchoring-buttress type combined retaining wall structure and construction method

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Effect test

Embodiment 1

[0040] The pre-buried anchor-pull-buttress-type combined retaining wall structure includes a buttress-type retaining wall 6, a backfill gravel soil layer 7 and a multi-layer anchor cable layer.

[0041] The inner side of the L-shaped buttress-type retaining wall 6 is provided with a plurality of buttresses 17 arranged in parallel and obliquely.

[0042] A plurality of reserved anchor cable holes 16 are provided on the elevation of the buttress-type retaining wall 6, and the reserved anchor cable holes 16 are located between the buttresses 17, and the upper and lower positions are staggered. For example, one part is the opening at the three corners of a regular triangle, and the adjacent part is the opening at the three corners of the inverted triangle, which is a plum-shaped arrangement.

[0043] The height of the reserved anchor cable hole 16 corresponds to the position of the anchor cable 18 .

[0044] Each anchor cable layer includes multiple anchor cables 18 , and each bu...

Embodiment 2

[0065] Pre-buried anchor-pull-buttress-type combined retaining wall structure and construction method, including the following steps:

[0066] 1. Construction of retaining wall: construct buttress type retaining wall 6 (the distance between buttresses 17 is about 4m to 7m), and reserve anchor cable holes 16 on the facade of construction buttress type retaining wall 6 between buttresses 17 . The horizontal spacing between the centers of the reserved anchor cable holes 16 is 1m-3.5m, the vertical spacing is 2m-6m, and the distribution is plum-shaped. The diameter of the reserved anchor cable holes 16 is 50mm-150mm, and the horizontal angle is maintained. A plurality of drainage holes 19 are arranged at the bottom of the elevation of the buttress-type retaining wall 6 .

[0067] 2. Backfilling with gravel soil: After the construction of the buttressed retaining wall 6 is completed and the strength requirements are met, the gravel soil layer 7 is backfilled in layers and compacte...

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Abstract

The invention discloses an embedded anchoring-buttress type combined retaining wall structure and a construction method, and belongs to the technical field of geotechnical engineering. A plurality of parallel inclined buttresses are arranged on the inner side of a buttress type retaining wall. A vertical face of the buttress type retaining wall is provided with reserved anchor cable holes, and the inner side of the buttress type retaining wall is a backfilled gravel soil layer. The backfill gravel soil layer is provided with a groove body, and the groove body comprises an anchor cable free groove, an anchor cable anchoring groove and an expansion head groove. The inner end of the anchor cable forms an anchor cable anchoring section and an expansion head in the anchor cable anchoring groove and the expansion head groove by pouring cement mortar. A plurality of steel strands at the outer end of the anchor cable penetrate through the anchor cable free groove and are fixed to the anchor head through reserved anchor cable holes. A plurality of steel strands in the anchor cable free section and the anchor cable anchoring section are supported in the groove body through a plurality of centering supports. The invention further provides a construction method. The pre-stressed anchoring technology is combined with a traditional buttress type retaining wall to work, so that the problems that a high buttress type retaining wall is poor in stability, large in size, high in manufacturing cost and the like when working independently are solved. The construction time is short, the engineering cost is low, and the quality is good.

Description

technical field [0001] The invention belongs to the construction technology of backfill slope retaining wall in the technical field of geotechnical engineering, particularly relates to a pre-embedded anchor-pull-buttress type combined retaining wall structure and construction method, and is especially suitable for backfilling a side slope retaining wall with gravel soil. Background technique [0002] With the further deepening of my country's urbanization process, the scope of cities has become larger and larger, and it has begun to show a trend of overall expansion, so that more and more projects are located in hilly areas that were less developed before. In the hilly landform, most of the newly built sites have problems of unevenness and large height difference. In order to level the site within a certain range and meet the engineering needs, most sites will be filled and leveled. Comprehensive economic factors and The construction process is difficult, and more and more p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/02
CPCE02D29/02E02D29/0233
Inventor 戴武奎张丙吉贾智博董建勋辛全明肖胜寒杨淼卫凌云
Owner SHENYANG ZHONGJIAN DONGSHE GEOTECHN ENG
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