基于梯度依赖的非局部摩擦弹性模型的任意滑裂面土坡稳定分析  

Analysis of arbitrary slip surface slope stability based on the gradient-dependent nonlocal friction elastic model

作　　者：谢帮华[1] 吕辉[2,3] 章宝华[1] 扶名福[1,2] 

机构地区：[1]南昌工程学院土木与建筑学院,江西南昌330099 [2]南昌大学建筑工程学院,江西南昌330031 [3]江西经济管理干部学院,江西南昌330088

出　　处：《南昌大学学报（理科版）》2015年第6期552-558,共7页Journal of Nanchang University(Natural Science)

基　　金：教育部博士学科点专项科研基金(20123601110001)

摘　　要：根据定义的非局部剩余元件,建立基于梯度依赖的非局部摩擦弹性模型。采用最小势能原理研究基于梯度依赖的非局部摩擦弹性模型下任意滑裂面土坡的稳定性,并对非局部材料参数进行讨论和分析。从而,研究材料参数对土坡稳定安全系数的影响,结果表明非局部摩擦材料参数的变化对土坡稳定安全系数的影响显著,该研究可为工程中土坡治理提供技术依据。According to the definition of nonlocal residual element, we established the gradient-dependent nonlocal friction elastic model. Using the minimum potential energy method, we analysed the stability of ar- bitrary slip surface slope based on the gradient-dependent nonlocal friction elastic model. The nonlocal ma- terial parameters were discussed and analysised. By studying the influence of material parameters on the slope stability safety factor, we showed that the change of the nonlocal friction material parameters had sig- nificant effects on the slope stability safety factor. Our resultcould provide technical basis for slope manage- ment in engineering.

关 键 词：梯度依赖 非局部摩擦弹性模型 最小势能原理 任意滑裂面 稳定安全系数 

分 类 号：O33[理学—一般力学与力学基础] O34[理学—力学]