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滑坡体强度参数对双排抗滑桩的影响规律研究
引用本文:温祥虎,叶四桥,毛晓光.滑坡体强度参数对双排抗滑桩的影响规律研究[J].路基工程,2021,0(2):64-69.
作者姓名:温祥虎  叶四桥  毛晓光
作者单位:1.中交四航局港湾工程设计院有限公司,广州 510290
基金项目:重庆市国土资源和房屋管理局科技项目(CQGT2012018);水利水运工程教育部重点实验室开放基金资助项目(SLK2009B01)
摘    要:为研究滑坡体强度参数变化对双排抗滑桩位移、内力分布以及前后排桩承担滑坡推力比例的影响,采用三维有限元分析模型,对滑坡体强度参数进行单因素分析。结果表明:改变滑坡体c,φ值对双排抗滑桩桩身弯矩和剪力最大值有影响,而对弯矩和剪力分布影响较小;对桩位移、内力以及前后排桩承担滑坡推力比例,c,φ值较小时,影响越明显,并随着c,φ值的增大,影响逐渐减小,且φ值比c值的影响更明显。

关 键 词:强度参数    有限元    单因素分析    双排抗滑桩    位移    内力    比例
收稿时间:2020-06-11

Study on Influence Law of Strength Parameters of Landslide Mass on Double-row Anti-slide Piles
Abstract:In order to study the change of landslide mass strength parameters on the displacement, internal force distribution of double-row anti-slide piles and thrust ratio borne by the front and rear piles, a three-dimensional finite element model was used to conduct single factor analysis on the strength parameters of the landslide mass. The result shows that changing the c, φ value of the sliding mass has an influence on the maximum bending moment and shear force of the double-row anti-slide pile, while it has a small influence on the bending moment and shear distribution. For pile displacement, internal force and the proportion of landslide thrust borne by the front and rear piles, c, φ value is relatively small, and the influence is more obvious, and as c, φ value increases, the influence gradually decreases, and the influence of φ value is more obvious than that of c value.
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