Cutting slope protection structure synchronous with slope excavation and construction method: Fid-Bau Portal

Cutting slope protection structure synchronous with slope excavation and construction method

CHEN ZHIHONG / GUO XIAOQIN / MENG LU

The cutting slope reinforcing structure comprises at least one slope reinforcing unit, each slope reinforcing unit comprises anchoring blocks, first connecting beams, second connecting beams, fixing piles and detachable formworks, the anchoring blocks are arranged in a quincunx shape, the first connecting beams are arranged between the two adjacent anchoring blocks, the second connecting beams are arranged between the two adjacent anchoring blocks, and the fixing piles are arranged between the first connecting beams and the second connecting beams. The fixing piles are connected to form a polygon which is arranged in an area formed by the first connecting beams, and the second connecting beams are arranged on the fixing piles in a crossed mode. The fixing piles are arranged in the rhombic area formed by the anchoring blocks and the first connecting beams, the slope area is divided into the small areas, then the second connecting beams are arranged to connect the small areas into a whole, and the stability of the reinforcing structure is improved; the cutting slope reinforcing structure is installed once a flat surface for anchor cable construction is formed, so that synchronization of slope construction and protection is achieved, and the problem of protection lag caused by reinforcement after slope excavation is completed is solved.

本发明公开了一种与边坡开挖同步的路堑边坡加固结构及施工方法，包括至少一个边坡加固单元，边坡加固单元包括锚固块、第一连接梁、第二连接梁、固定桩和可拆卸模板，锚固块呈梅花形布置，第一连接梁设在相邻的两个锚固块之间，固定桩连接组成多边形设在第一连接梁组成的区域内，第二连接梁十字交叉设在固定桩上。本发明通过在锚固块和第一连接梁组成的菱形区域内设置固定桩，将边坡区域分割成小块区域，再设置第二连接梁将小块区域连接为整体，增加了加固结构稳定性，在路堑边坡开挖时，每形成一个可供锚索施工的平整面即刻安装路堑边坡加固结构，进而达到边坡施工和防护的同步，解决了边坡开挖完成后再进行加固导致防护滞后的问题。

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