| 强震边坡动力响应及安全系数计算 |
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| 引用本文： | 杨洁,杨上清,肖盛燮.强震边坡动力响应及安全系数计算[J].重庆交通大学学报(自然科学版),2011,30(2):277-281. |
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| 作者姓名： | 杨洁 杨上清 肖盛燮 |
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| 作者单位： | 1. 重庆交通大学防灾减灾研究所,重庆,400074
2. 四川大学建筑与环境学院,四川,成都,610207 |
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| 基金项目： | 国家自然科学基金项目(50879097) |
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| 摘 要： | 运用ANSYS大型通用软件,对一均质边坡进行地震荷载模拟分析;根据Wilson-θ时程分析方法,将天津地震波输入到边坡模型上,对该边坡进行了应力、位移、速度和加速度动力响应分析.并由摩尔-库伦强度理论对ANSYS通用后处理器进行编程,得出边坡的安全系数分布云图.当安全系数为0.521时,全图的部分穿越临空边界,有滑移的...
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| 关 键 词： | 地震 边坡 动力响应 安全系数 |
Dynamic Response and Safety Coefficient Calculation of Slope under Severe Earthquake |
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| YANG Jie,YANG Shang-qing,XIAO Sheng-xie.Dynamic Response and Safety Coefficient Calculation of Slope under Severe Earthquake[J].Journal of Chongqing Jiaotong University,2011,30(2):277-281. |
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| Authors: | YANG Jie YANG Shang-qing XIAO Sheng-xie |
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| Institution: | YANG Jie1,YANG Shang-qing2,XIAO Sheng-xie1(1.Institute of Disaster Prevention Engineering,Chongqing Jiaotong University,Chongqing 400074,China,2.College of Architecture and Environment,Sichuan University,Chendu 610207,Sichuan,China) |
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| Abstract: | A seismic analysis of a uniform slope was made through ANSYS.According to the Wilson-θ time history analysis and dynamic response analysis of stress,displacement,velocity and acceleration were done under the Tianjin seismic which was input into the slope model.In the POST1,safety factor was calculated through stress field by Moore-coulomb's Strength Theory;safety coefficient distribution map was obtained.When safety factor was 0.521,a section crossed volley border,therefore it had the possibility of sliding.It was demonstrated that the model with safety coefficient 0.521 was unstable. |
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| Keywords: | earthquake slope dynamic response safety coefficient |
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