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岩壁吊车梁运行期三维非线性有限元稳定计算 |
苏静波1,邵国建1,熊伟2
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1. 河海大学,土木工程学院,江苏,南京,210098 2. 中建三局工程总承包公司,湖北,武汉,430060
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摘要: |
采用M arc有限元计算软件,建立了岩壁吊车梁运行期三维非线性有限元分析模型.分别计算了III、IV类围岩设扶壁柱(梁下1.5 m或5.0 m)与不设扶壁柱的岩壁吊车梁结构的应力和位移.基于摩擦理论和矢量几何条件,给出了计算岩壁吊车梁整体抗滑稳定安全系数的计算式.计算结果表明,设扶壁柱的岩壁吊车梁受力合理,且能提高吊车梁的整体抗滑稳定安全系数. |
关键词: 抗滑稳定安全系数,有限单元法,Marc软件,扶壁柱,围岩,运行期,岩壁吊车梁 |
DOI: |
分类号:TU457 |
基金项目: |
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Stability calculation of crane beam by 3-D non-linear finite element method during running period |
SU Jing-bo1,SHAO Guo-jian1,XIONG Wei2
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1. College of Civil Engineering, Hohai University, Nanjing 210098, China ; 2. Engineering General Contract Company, No. 3 Construction Bureau of China, Wuhan 430060, China
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Abstract: |
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Key words: anti-slide stability safety coefficient,finite element method,Marc software,counterfort column,surrounding rock,running period,crane beam |