Loose stratum reinforcing device and construction method thereof: Fid-Bau Portal

Loose stratum reinforcing device and construction method thereof

BAI YANDONG / WEN XIMEI

According to the loose stratum reinforcing device and the construction method thereof, the loose stratum reinforcing device comprises a plurality of reinforcing assemblies arranged on the side slope face in a loose stratum, each reinforcing assembly comprises a hole cavity formed in the side slope face and arranged in the loose stratum, and a rigid piece and a spray pipe are arranged in each hole cavity; and slurry is poured into the hole cavity through the spraying pipe so as to extrude the loose stratum, and a reinforcing layer annularly arranged on the rigid piece is formed so as to reinforce the loose stratum. The structure is particularly suitable for loose stratum foundation pit slope supporting operation, a traditional drilling and grouting type rigid piece wall is effectively improved, the using effect under the loose stratum condition can be met, the loose stratum foundation pit slope supporting operation efficiency is improved, the structure is simple, construction is safe and reliable, cost is effectively saved, and the construction period is effectively shortened; the required materials can be obtained locally, waste is avoided, and the green construction concept is met.

一种疏松地层加固装置及其施工方法，包括置于疏松地层中边坡面上的若干加固组件，每个所述加固组件均包括设于所述边坡面并内置于所述疏松地层中的孔腔，在所述孔腔内设有刚性件和喷管，经所述喷管朝所述孔腔内灌注浆体以挤压所述疏松地层，形成环设于所述刚性件的加固层，以加固所述疏松地层。本发明尤其适用于疏松地层基坑边坡支护作业，对传统的钻孔注浆型刚性件墙进行了有效改良，使其能够满足疏松地层条件下的使用效果，提高了疏松地层基坑边坡支护作业效率，结构简单，且施工安全可靠，有效节约成本与工期；所需材料均可就地取材，避免造成浪费，符合绿色施工理念。

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