Method for reinforcing fractured rock mass high slope through pre-stressed anchor cables: Fid-Bau Portal

Method for reinforcing fractured rock mass high slope through pre-stressed anchor cables

LU JIN / LIU JIAN

The invention discloses a method for reinforcing a fractured rock mass high slope through pre-stressed anchor cables, and relates to the technical field of fractured rock mass high slope treatment. The method comprises the following steps of measuring and detecting a side slope, analyzing a result through software to obtain a critical sliding surface of the side slope, and layering a broken side slope rock mass in combination with side slope instability rechecking calculation; according to the slope stability calculation result, formulating a slope supporting solution, arranging the pre-stressed anchor cables, and arranging slope attaching concrete outside the anchor cable connectors; carrying out construction according to the slope supporting solution, completing the construction of positioning holes of the pre-stressed anchor cables by using pipe-following hole-forming drilling, placing the anchor cables in the holes, conducting grouting by adopting cement slurry, and attaching the concrete to the outer portion of the holes. Specific parameters are obtained by measuring and analyzing the slope composition, specific mechanical index parameters are obtained through software analysis, the slope supporting solution is designed through an analysis result, the slope is reinforced through the pre-stressed anchor cables and the slope attaching concrete, and the slope is further stabilized.

本发明公开了一种预应力锚索加固破碎岩体高边坡的方法，涉及破碎岩体高边坡治理技术领域。所述方法包括如下步骤：对边坡进行测量和检测，将结果通过软件分析，得到边坡的临界滑动面，并结合边坡失稳复核计算将破碎边坡岩体进行分层；根据边坡稳定计算结果，制定边坡支护方案，布置预应力锚索，并在锚索连接头外设置贴坡混凝土；根据边坡支护方案进行施工，使用跟管成孔钻进完成预应力锚索的定位孔的施工，将锚索置于孔洞内，采用水泥泥浆注浆，在外贴设的混凝土。通过对边坡组成进行测量分析得到具体参数，通过软件分析得出具体的力学指标参数，再通过分析结构设计边坡支护方案，通过预应力锚索以及贴坡混凝土对边坡进行加固，进一步稳定边坡。

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