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LiuChong River grand bridge back analysis for slope stability evaluation
Author(s): 
Pages: 540-545
Year: Issue:  S1
Journal: Geotechnical Investigation & Surveying

Keyword:  六冲河 特大桥 反分析 错落体 结构面 贯通率;
Abstract: 以赤水至望谟高速公路六冲河特大桥岸坡为研究对象,基于岸坡工程地质条件建立计算分析模型,运用有限元强度折减法,对工程所在区域织金岸C3错落体的错落面和滑动面综合力学强度参数进行了反演分析。利用已确定的节理强度和岩石抗剪断强度参数,结合不同的结构面贯通率的合理假设,考虑自然工况、暴雨工况和地震+暴雨工况的条件,经过大量的试算,得出了符合现场地质情况的错落面与滑动面综合强度参数,为进一步的岸坡稳定分析强度参数的取值提供了依据。
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