Critical Slip Field of Reinforced Soil Slope

李强; 朱大勇

doi:10.13409/j.cnki.jdpme.2010.04.016

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Critical Slip Field of Reinforced Soil Slope

更新时间：2025-12-11

- Critical Slip Field of Reinforced Soil Slope
- Vol. 30, Issue 4, Pages: 431-434(2010)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2010.04.016
  CLC： U432
- Published：2010
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[1]李强,朱大勇.加筋土边坡临界滑动场[J].防灾减灾工程学报,2010,30(04):431-434.

李强, 朱大勇. Critical Slip Field of Reinforced Soil Slope[J]. 2010, 30(4): 431-434.
[1]李强,朱大勇.加筋土边坡临界滑动场[J].防灾减灾工程学报,2010,30(04):431-434. DOI： 10.13409/j.cnki.jdpme.2010.04.016.

李强, 朱大勇. Critical Slip Field of Reinforced Soil Slope[J]. 2010, 30(4): 431-434. DOI： 10.13409/j.cnki.jdpme.2010.04.016.

摘要

在分析加筋土边坡稳定性时

将加筋材料的作用视为施加于滑面上的等效力

建立了满足力平衡的加筋土边坡安全系数的计算格式;将边坡临界滑动场数值模拟方法进行推广

提出了基于力平衡的加筋土边坡临界滑动场计算方法

可以得到形状任意的临界滑动面及边坡最小安全系数。通过算例

比较加筋前后临界滑动面和安全系数的变化

并探讨了加筋水平间距、强度、长度对加筋土边坡稳定性的影响。

Abstract

In the analysis of reinforced soil slope

the effect of reinforcing materials is considered as an equivalent additional stress acting upon the slip surface.The formulas for computing the factor of safety of reinforced soil slope are presented.An extension of the numerical simulation for critical slip field（CSF） is made.Then

a numerical scheme is proposed for calculating the critical slip field of reinforced slope based on the force equilibrium.The position of critical slip surface of arbitrary shape and the minimum factor of safety are given in several examples and the comparisons of the critical slip surfaces and the factor of safety are made between slopes before and after reinforcement.The influences of factors

such as horizontal width

length and strength of geosynthetics on reinforced soil slope stability are studied.

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references

动态规划法在搜索加筋土坡最危险滑动面的应用 [J]. 严驰,孙训海,冯艺. 水利学报 . 2005(01)

现代加筋土技术应用与研究进展 [J]. 杨果林. 力学与实践 . 2002(01)

严格极限平衡条分法框架下的边坡临界滑动场 [J]. 朱大勇,钱七虎. 土木工程学报 . 2000(05)

边坡全局临界滑动场（GCSF）理论及工程应用 [J]. 朱大勇,周早生. 土木工程学报 . 1999(03)

边坡临界滑动场及其数值模拟 [J]. 朱大勇. 岩土工程学报 . 1997(01)

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