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Study on Standard Formula of Stability Analysis of Soil Nailing
Pages: 59-62
Year: Issue:  S1
Journal: Underground Space

Keyword:  土钉支护 条分法 混沌优化 危险滑动面;
Abstract: 土钉支护稳定分析常采用圆弧条分法,即规范公式。规范公式给出的方法存在一定的不足,在考虑土钉抗拔力的基础上,给出了一种改进的Bishop条分法。在此基础上,结合工程实例比较了Fellenius、Bishop条分法、改进Bishop条分法的计算结果,利用混沌优化方法,研究了搜索范围、土层参数均质化和分条数对计算结果的影响。
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