松散堆积体边坡预应力锚索支护参数设计

Support Parameters Design of Pre-stressed Anchor Cable in Loose Accumulation Slope

松散堆积体边坡是一种较为特殊类型的边坡,治理难度大,而预应力锚索是边坡支护中常用的、经济有效的方法。由此,锚索参数设计显得相当重要。基于前人研究成果基础上,对预应力锚索设计参数进行了系统地归纳和总结,重点分析了堆积体边坡锚索参数设计。分析认为,锚索参数设计主要集中在内锚固段长度、锚固角、锚固间排距等7个方面,每个参数设计都不可忽略。案例分析得知,理论计算得到的锚固支护参数与实际值较为吻合。

Loose accumulation slope is a more special type slope, which is difficult to control, and pre - stressed anchor cable is a commonly used, cost - effective method of reinforement slope. Thus, the parameter design of anchor cable is very important. Based on the results of previous studies, the author systematically summarizes the design parameters of anchor cable, focusing on analysis of the anchor design parameters of the accumulation slope. It is analyzed that the design parameters include 7 aspects, which are the inner -anchoring section length, anchoring angle, and anchoring spacing and row spacing and so on, with each of the design parameters not being neglible. The case analysis shows that, the anchoring support parameters by theoretical calculations are more consistent with the actual parameters of designs.