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当前位置: 首页 > 文章 > 考虑结构面和损伤效应的路堑边坡稳定问题 福建农林大学学报(自然科学版) 2007,36 (6) 98-101
Position: Home > Articles > Road cutting slope stability problem on considering effects of structural surface and damage Journal of Fujian Agriculture and Forestry University(Natural Science Edition) 2007,36 (6) 98-101

考虑结构面和损伤效应的路堑边坡稳定问题

作  者：
吴能森;侯伟生
单  位：
福建农林大学交通学院;福建省建筑科学研究院
关键词：
花岗岩残积土;路堑边坡;结构面;非应变损伤;改进简化Bishop法;抗剪强度指标
摘  要：
以花岗岩残积土工程特性研究为基础,从结构面和非应变损伤效应2个方面研究福建省花岗岩路堑边坡稳定问题.将改进简化Bishop法应用于路堑边坡,结合算例,对总应力形式的改进简化Bishop公式进行分析与验证;利用复合体损伤模型和剪切试验统计数据,分析探讨坡体和结构面土体抗剪强度指标的选取,并提出取值建议.研究结果可用于指导工程实践,并为边坡稳定问题的损伤理论研究提供参考.
译  名：
Road cutting slope stability problem on considering effects of structural surface and damage
作  者：
WU Neng-sen1,HOU Wei-sheng2(1.College of Traffics,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China;2.Fujian Academy of Building Research,Fuzhou,Fujian 350025,China)
关键词：
granite residual soil;road cutting slope;structural surface;non-strain damage;improved short-cut Bishop method;shear strength index
摘  要：
Based on the engineering characteristics of granite residual soil,aiming at effects of structural surface and damage,a study on the cutting slope stability of granite residual soil in Fujian province was carried out.The improved short-cut Bishop method(ISBM) was applied to cutting slope,the ISBM formula for total stress was analyzed and verified by a calculated example.Making use of the elastic-plastic damage model and statistical data of shear tests,the selecting problems on shear strength index of soils in slope body and structural surface were analyzed and discussed,then some proposals were put forward.The study results may provide guidance to engineering practice and give consultation to damage theory research for slope stability problem.

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