Construction method of drainage opening of rear-mounted retaining wall

A construction method and technology for retaining walls, which are applied in water conservancy projects, soil protection, artificial islands, etc., can solve the problems of affecting the layout effect of decorative tiles on the wall body during the decoration stage, unable to ensure accurate positioning, and affecting the efficiency of backfilling. Conducive to finished product protection, fast construction, and convenient reinforcement

Active Publication Date: 2019-10-18
中建五局第三建设有限公司
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AI Technical Summary

Problems solved by technology

This construction method has the following disadvantages: (1) Since the drain pipe protrudes out of the retaining wall, it is necessary to open holes in the formwork on both sides, and the drain pipe extends out of the formwork to ensure that the wall formwork is straight. The efficiency is low, and it is easy to cause damage to the drain pipe during the reinforcement and removal of the formwork; (2) The embedding

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  • Construction method of drainage opening of rear-mounted retaining wall

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, describe a kind of construction method of post type retaining wall weep hole in detail.

[0031] see figure 1 , a construction method for a post-mounted retaining wall drain hole, the construction process: wall reinforcement binding - casing pre-embedded - formwork support - concrete pouring - retaining wall backfill - earth reverse Excavation - burial of drain pipes - installation of filter bags - backfilling - plastering - tiling - installation of sleeves

[0032] During the construction, the "jumping warehouse method" is used to carry out the construction of each section of the retaining wall structure, and a certain strength foam board is used at the deformation joint to isolate from the foundation of the two adjacent retaining walls to the top of the wall. The specific construction steps are as follows:

[0033] 1. Binding of steel bars on the wall

[0034] After the concrete pouring of the foundation of the retain...

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Abstract

The invention discloses a construction method of a drainage opening of a rear-mounted retaining wall. A wall draining pipeline and an inverted filter layer are included. A sleeve pipe is buried in advance in the construction stage of the retaining wall structure, earth filling and reverse excavation are carried out in sequence, a water drain pipe and an inverted filter bag are mounted, big face tiles of the retaining wall are firstly paved, and then face tiles on the drainage opening are paved. By means of the method, reinforcing of a template of the retaining wall can be convenient, the tableback earthwork backfilling efficiency is high, the water drain pipe is not prone to being damaged, meanwhile, it can be ensured that the water drain pipe is accurately located, and it is ensued thatthe face tiles are paved attractively.

Description

technical field [0001] The invention relates to a construction method of a rear-mounted retaining wall drain hole. Background technique [0002] At present, the traditional retaining wall drainage pipe is buried during the construction of the retaining wall structure, and a length is reserved on both sides of the retaining wall. On the backfill side of the earthwork, use a reverse filter bag to wrap the protruding drain pipe. This construction method has the following disadvantages: (1) Since the drain pipe protrudes out of the retaining wall, it is necessary to open holes in the formwork on both sides, and the drain pipe protrudes out of the formwork to ensure that the wall formwork is straight, which makes it inconvenient to reinforce the formwork. The efficiency is low, and it is easy to cause damage to the drain pipe during the reinforcement and removal of the formwork; (2) The embedding of the drain pipe in the main stage cannot ensure accurate positioning, which affec...

Claims

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Application Information

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IPC IPC(8): E02D29/02E02D3/10
CPCE02D3/10E02D29/0275E02D2250/0007E02D2250/0023
Inventor 宋鑫李果覃川黎罗
Owner 中建五局第三建设有限公司
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