The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
Application of Strength Reduction Method in Reinforced Soil Slopes
Author(s): Xu Yaqi, Zhu Qikun
Pages: 192-
196
Year: 2015
Issue:
4
Journal: Geotechnical Engineering Technique
Keyword: reinforced soil slope; limit equilibrium method; shear strength reduction method; equivalent cohesive strength; finite element;
Abstract: 在边坡稳定性分析中,极限平衡法和强度折减法得到广泛应用.相比极限平衡法,强度折减法不但可以得到边坡的安全系数,而且可以得到土体塑性应变区及应力位移等结果,但对加筋土的计算则产生较大误差.分析了加筋土加筋机理,根据等效应力法将加筋土体视为一个整体,以新的黏聚力来取代原土体黏聚力,从而实现强度折减.以山西某填土高边坡为例,利用极限平衡法计算的结果去调整加筋土的等效黏聚力,对不同高度的边坡计算得到的等效黏聚力进行对比分析,发现边坡高度会对黏聚力增量产生影响,边坡越高粘聚力增量越大.有限元结果可以用来优化边坡设计,同时为加筋土的研究提供一种手段.
Citations
No citation found