An anchor-casting integrated structure and construction method of plastic concrete underground diaphragm wall

Abstract

The invention discloses an anchoring-casting integrated structure and construction method for plastic concrete underground continuous walls, which include an anti-seepage pit, an anti-seepage wall is poured in the anti-seepage pit, and a number of drill holes are sequentially opened on the side wall of the anti-seepage pit from top to bottom. The hole is located on the side of the anti-seepage pit away from the excavation area, and a reinforcement part is arranged in the drill hole, and the reinforcement part is fixed with the anti-seepage wall; connection, the liquid inlet of the hollow anchor is located in the anti-seepage pit, the liquid outlet of the hollow anchor is located in the borehole, and the opening of the liquid outlet of the hollow anchor is upward; A reinforcement; the connection between the hollow anchor rod and the anti-seepage wall is provided with a second reinforcement for strengthening the connection. The invention can improve the connection effect between the anti-seepage wall and the soil, and when the deformation of the soil further drives the deformation of the anti-seepage wall, the probability of gaps between the anti-seepage wall and the soil is reduced, thereby reducing the probability of water flowing around the excavation area .

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a plastic concrete underground diaphragm wall anchor-grouting integrated structure and construction method. Background technique [0002] The underground diaphragm wall is a continuous hole made with mud solid wall in the loose permeable foundation or earth-rock dam (weir) dam body, and concrete is poured under the mud or other anti-seepage materials are backfilled. Impermeable wall. [0003] In the prior art, in order to achieve temporary waterproofing, most of the plastic concrete seepage-proof walls are used. There are no steel bars inside the plastic concrete seepage-proof walls, and their strength is low. It is not easy to create gaps, thus reducing the chance of water flow through. However, the existing plastic concrete anti-seepage wall still has problems. When the excavation area is excavated, the soil body is deformed, which in turn drives the deformation...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, in order to achieve temporary waterproofing, most plastic concrete cut-off walls are used. There is no steel bar inside the plastic concrete cut-off wall, and its strength is low, so it can follow the coordinated deformation of the soil, making the gap between the cut-off wall and the soil Less likely to create gaps, thus reducing the chance of water flow through

However, the existing plastic concrete cut-off walls still have problems. When the excavation area is excavated, the deformation of the soil will drive the deformation of the cut-off wall, but the cut-off wall still inevitably produces shear compared with the soil. The gap between the anti-seepage wall and the soil will cause the water flow to flow around the excavation area, which will affect the normal construction of the excavation area.

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