| 密肋壁板结构宏观模型及非线性时程反应分析 |
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| 引用本文： | 姚谦峰,张旭峰,魏晓,黄炜,孙秀成.密肋壁板结构宏观模型及非线性时程反应分析[J].世界地震工程,2008,24(4). |
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| 作者姓名： | 姚谦峰 张旭峰 魏晓 黄炜 孙秀成 |
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| 作者单位： | 1. 西安建筑科技大学,土木工程学院,陕西,西安,710055
2. 总后建筑工程研究所,陕西,西安,710032 |
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| 基金项目： | 国家自然科学基金项目
，
教育部博士点专项基金项目
，
陕西省教育厅自然科学基金项目
，
陕西省自然科学基金项目
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| 摘 要： | 采用SAP程序中的Link单元进行了密肋壁板结构非线性时程反应分析。推导了Link单元的刚度矩阵,确定了相对转动中心高度。并结合钢筋混凝土柱轴向恢复力模型和密肋复合墙体水平抗侧恢复力模型,给出了Link单元竖向和水平连接弹簧非线性力-位移关系的计算公式。采用Link单元建立了密肋壁板结构宏观有限元分析模型,并对1/10比例振动台模型试验进行了非线性时程反应分析。结果表明:计算结果与试验结果吻合良好,这说明采用Link单元可以较好的模拟密肋壁板结构的动力非线性行为。
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| 关 键 词： | 密肋壁板结构 非线性 Link单元 时程分析 |
Macro-model and nonlinear time-history analysis of a multi-ribbed composite slab structure |
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| YAO Qianfeng,ZHANG Xufeng,WEI Xiao,HUANG Wei,SUN Xiucheng.Macro-model and nonlinear time-history analysis of a multi-ribbed composite slab structure[J].World Information On Earthquake Engineering,2008,24(4). |
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| Authors: | YAO Qianfeng ZHANG Xufeng WEI Xiao HUANG Wei SUN Xiucheng |
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| Institution: | YAO Qianfeng1,ZHANG Xufeng1,WEI Xiao2,HUANG Wei1,SUN Xiucheng1 |
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| Abstract: | Multi-ribbed walls are important lateral load-resisting elements in a multi-ribbed slab structure,but the nonlinear dynamic behavior of the walls is difficult to simulate appropriately.This paper presents a matrix analysis of shear walls using the Link element in SAP2000.A defining method is developed to determine the location of the shear spring.Combined with hysteretic axial model of reinforced concrete columns and hysteretic shear model of composite walls,the calculating formula for force-displacement relationship of springs in Link element is derived.The macro-analysis FEM model of the multi-ribbed composite slab structure is built up by Link elements.The macro model is adopted for the non-linear earthquake response of 1/10 model in shaking table test and its earthquake response is given.It shows that the model is characterized by clearness in principle,preferable calculating precision.It's suitable for nonlinear time-history analysis of moderate-high storied multi-ribbed slab structure. |
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| Keywords: | multi-ribbed slab structure non-linear Link element time-history analysis |
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