抗滑桩加固边坡三维稳定因素的敏感性分析

李见飞

doi:10.13204/j.gyjzG19083102

抗滑桩加固边坡三维稳定因素的敏感性分析

doi: 10.13204/j.gyjzG19083102

李见飞

中国铁路上海局集团有限公司, 上海 200071

详细信息

作者简介:
李见飞,男,1990年出生,硕士,工程师。电子信箱:156228662@qq.Com

计量
- 文章访问数: 120
- HTML全文浏览量: 13
- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2019-08-31
- 网络出版日期: 2021-10-27

SENSITIVITY ANALYSIS OF FACTORS EFFECTING 3D STABILITY OF SLOPES REINFORCED WITH ANTI-SLIDE PILES

LI Jianfei

China Railway Shanghai Group Co., Ltd., Shanghai 200071, China

摘要

摘要: 为给多级抗滑桩加固边坡的抗震设计提供参考，针对地震条件下桩加固边坡的安全系数及影响因素的敏感性开展研究。基于极限分析上限定理，结合拟静力法和强度折减法，计算地震条件下桩加固边坡的安全系数。通过正交分析法，求得边坡安全系数影响因素的敏感性由高到低的顺序依次为：黏聚力、内摩擦角、边坡倾角、水平地震力系数、桩的位置、桩的结构参数、边坡相对宽高比、戗台宽度。基于此，在实际施工时应主要考虑边坡倾角、地震、抗滑桩的影响，而平台相对宽高比、平台宽度应根据实际情况合理选择。
- 边坡工程 /
- 抗滑桩 /
- 极限平衡 /
- 敏感性分析 /
- 安全系数
Abstract: In order to provide a reference to seismic design of multi-stage slopes reinforced with anti-slide piles, a sensitivity study on the stability factors of 3D slopes reinforced with anti-slide piles under earthquake action was conducted. Based on the upper bound theorem and combined with pseudo-static method and strength reduction method, the safety factors of slopes were calculated. The sensitivity sequence from strong to weak influencing safety factors of slopes under seismic forces were cohesion, internal friction angles, slope angles, horizontal seismic force coefficients, pile positions, structural parameters of piles, relative ratios of wideth to height for slopes and berm width. Therefore, in the actual construction, the influence of slope angles, seismic forces and anti-slide piles shoud be fully taken into account, and the relative ratios of width to height for slopes and berm width should be rationally laid out according to actual conditions.
- slope engineering /
- anti-slide pile /
- limit equililorium /
- sensitivity analysis /
- safety factor

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参考文献(25)

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