| 岩体卸荷力学特性的数值仿真研究 |
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| 引用本文： | 周济芳,李建林,邓华锋,王瑞红.岩体卸荷力学特性的数值仿真研究[J].岩土力学,2008,29(Z1):524-528. |
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| 作者姓名： | 周济芳 李建林 邓华锋 王瑞红 |
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| 作者单位： | 1. 武汉大学 水利水电学院，武汉 430072；2. 二滩水电开发有限责任公司，成都 610021；3. 三峡大学，湖北 宜昌 443002 |
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| 摘 要： | 岩体卸荷力学性质主要表现为非线性和各向异性等特征，与常规岩体试验结果和假定存在着差别，采用数值仿真的方法对卸荷岩体力学特性进行研究，阐述卸荷岩体力学特性研究的重要性；给出了数值仿真分析研究的岩体加、卸载条件；利用大型有限元软件ADINA建立数值仿真模型，对模型进行计算分析，并和已有试验成果进行对比，得出了卸荷岩体力学特性的有关规律。
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| 关 键 词： | 卸荷岩体 非线性 各向异性 数值仿真 |
| 收稿时间： | 2008-07-25 |
Research on mechanical characteristics of unloading rock mass by numerical simulation method |
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| ZHOU Ji-fang,LI Jian-lin,DENG Hua-feng,WANG Rui-hong.Research on mechanical characteristics of unloading rock mass by numerical simulation method[J].Rock and Soil Mechanics,2008,29(Z1):524-528. |
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| Authors: | ZHOU Ji-fang LI Jian-lin DENG Hua-feng WANG Rui-hong |
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| Institution: | 1. School of Water Resources and Hydropower Wuhan Uuniversity, Wuhan430072, China; 2. Er’ tan Hydropower Development Company, Ltd., Chengdu610021, China; 3. China Three Gorges University, Yichang 443002, China |
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| Abstract: | The mechanical characteristics of unloading rock mass include nonlinearity,anisotropy and so on,and have many differences between assumptions and experiment results with the routine rock mass.The numerical simulation method is used to research the mechanical characteristics of unloading rock mass.The importance of researching the mechanical characteristics of unloading rock mass is described;the conditions of loading and unloading in numerical simulation are studied.Numerical simulation model is established... |
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| Keywords: | unloading rock mass nonlinearity anisotropy numerical simulation |
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