| 考虑土-结构相互作用高层框架结构静力弹塑性分析方法的研究 |
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| 引用本文： | 汪梦甫,汪加武.考虑土-结构相互作用高层框架结构静力弹塑性分析方法的研究[J].工程抗震与加固改造,2005,27(1):7-11. |
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| 作者姓名： | 汪梦甫 汪加武 |
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| 作者单位： | 湖南大学土木工程学院,湖南,长沙,410082;湖南大学土木工程学院,湖南,长沙,410082 |
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| 摘 要： | 本文应用子结构方法对天然地基上带刚性整体基础 (箱型基础或筏板基础 )的高层框架结构进行了平面静力弹塑性 (Pushover)分析 ,地基阻抗采用拟合数值结果得到的近似公式 ,上部框架结构采用杆系模型。并就其水平荷载模式、目标位移等几个关键问题进行了研究。文末对一栋 12层的钢筋混凝土框架结构进行了静力弹塑性 (Pushover)分析 ,说明了本文建立的考虑土 -结构相互作用高层框架结构静力弹塑性 (Pushover)分析方法的可行性
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| 关 键 词： | 土-结构相互作用 地基阻抗 非线性时程分析 高层框架结构 静力弹塑性分析方法 |
| 文章编号： | 1002-8412(2005)01-0007-05 |
Studies on Pushover Analysis Method for High-rise Frame Structure Considering Soil-structure Interaction |
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| Wang Meng-fu,Wang Jia-wu.Studies on Pushover Analysis Method for High-rise Frame Structure Considering Soil-structure Interaction[J].Earthquake Resistant Engineering and Retrofitting,2005,27(1):7-11. |
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| Authors: | Wang Meng-fu Wang Jia-wu |
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| Abstract: | In this paper, the sub-structure technique is adopted to perform nonlinear static seismic response analysis considering soil-structure interaction for high-rise frame structures with box foundation or raft foundation resting on natural foundation soils,the dynamic impedance coefficients of foundation are determined by a set of approximate formulas which are obtained by fitting mathematical expressions to accurate numerical solutions,the upper-structures is modeled as the bar-system model. Some key problems of pushover analysis method for high-rise frame structures considering soil-structure interaction are studied. At last, the nonlinear seismic response analysis for a 12-story high-rise reinforce concrete frame structure is given as a numerical example to show the possibility and reliability of the pushover analysis method for high-rise frame structures considering soil-structure interaction. |
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| Keywords: | soil-structure interaction the dynamic impedance of foundation the time-history analysis of nonlinear seismic response high-rise frame structure push over analysis method |
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