Multi-point friction anti-sliding anchor cable and mounting method thereof: Fid-Bau Portal

Multi-point friction anti-sliding anchor cable and mounting method thereof

LIU CHUANZHENG / CHEN XINGCHANG

The invention relates to a multi-point friction anti-sliding anchor cable which comprises an anchor cable body, the anchor cable body comprises an anchoring section and a free section which are connected with each other, the anchor cable body is obliquely installed in a side slope, the anchoring section is anchored in a stable bed rock at the bottom of a sliding bed of the side slope, a plurality of friction blocks arranged at equal intervals are arranged on the free section, and the friction blocks make friction contact with a sliding body. The method has the beneficial effects that the excellent anti-slide performance on the side slope can be achieved under the condition that a rigid supporting structure is not needed, the spatial form of the sliding face of the side slope can be changed, the self-bearing capacity of the rock-soil body can be fully played, a more stable structural body is formed through interaction between the anchor cable and the rock-soil body, the overall structure is simple and reliable, fault tolerance is high, and the construction cost is low. The method is suitable for prevention and treatment of the large-deformation side slope, and construction safety can be improved while the engineering amount and the construction cost are reduced.

本发明涉及一种多点摩擦抗滑锚索，包括锚索本体，锚索本体包括互相连接的锚固段和自由段，锚索本体仰斜安装于边坡内，锚固段锚固于边坡的滑床的底部稳定基岩内，自由段上设有多个等间距排列的摩擦块，摩擦块与滑体摩擦接触。本发明的有益效果在于：可在无需刚性支挡结构的条件下实现对边坡的优异抗滑性能，可改变边坡滑移面空间形态，充分发挥岩土体的自承能力，通过锚索和岩土体之间相互作用形成更加稳定的结构体，整体结构简单可靠、容错性强，可适用于大变形边坡的防治，在减少工程量和降低施工成本的同时可提升施工安全性。

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