Slope local dangerous rock mass dynamic grouting reinforcement structure and reinforcement method: Fid-Bau Portal

Slope local dangerous rock mass dynamic grouting reinforcement structure and reinforcement method

YI JUNFEI / LIU YUHENG / XU LU

The invention relates to a dynamic grouting reinforcing structure and method for local dangerous rock mass of a side slope, and belongs to the technical field of side slope protection. The dynamic grouting reinforcing structure comprises an arch-shaped bearing wall, the side, facing the surface of the side slope, of the arch-shaped bearing wall is a plane, and the side, back to the surface of the side slope, of the arch-shaped bearing wall protrudes to be in an arch shape; the reinforcing structure further comprises a reinforcing body used for solidifying the dangerous rock body. A plurality of penetrating holes used for extending into the slope rock mass are formed in the arch-shaped bearing wall, the penetrating holes penetrate through the reinforcing body, and a dynamic grouting anchor rod is arranged in each penetrating hole. According to the reinforcing structure, the situation of breakage caused by overlarge lateral pressure is avoided through the arch-shaped bearing wall.

本发明的一种边坡局部危岩体动态注浆加固结构及加固方法，属于边坡防护技术领域，包括拱形承接墙，所述拱形承接墙朝向边坡表面的一侧为平面，拱形承接墙背向边坡表面的一侧隆起呈拱形；所述加固结构还包括用于将危岩体固化的加固体；拱形承接墙上设有用于延伸到边坡岩体中的若干个穿孔，穿孔穿透加固体，各个穿孔中均设有动态注浆锚杆。本加固结构通过拱形承接墙来避免出现侧向压力过大而断裂的情况。

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