| 层状基础的动力响应分析 |
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| 引用本文： | 张骞,张海霞. 层状基础的动力响应分析[J]. 山西建筑, 2010, 36(22): 99-100 |
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| 作者姓名： | 张骞 张海霞 |
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| 作者单位： | 西安建筑科技大学理学院,陕西西安,710055 |
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| 摘 要： | 基于剪切梁理论,利用振型叠加法及振型函数正交性,求得体系的参与系数及稳态动力响应的封闭型解析式;最后针对算例,利用龙格—库塔法得出土层的最大响应图（位移、剪应力、加速度）。
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| 关 键 词： | 层状基础 振型函数 自振频率 动力响应 |
Analysis of the dynamic response on stratified foundations |
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| ZHANG Qian,ZHANG Hai-xia. Analysis of the dynamic response on stratified foundations[J]. Shanxi Architecture, 2010, 36(22): 99-100 |
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| Authors: | ZHANG Qian ZHANG Hai-xia |
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| Affiliation: | ZHANG Qian ZHANG Hai-xia |
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| Abstract: | Based on shear beam theory,the closed-form analytical expressions are derived for participation factors and steady-state dynamic response functions by using the modal-superposition method and orthogonal property of modal displacements.Finally,using Runge-Kutta method,the maximum responses（including the displacement,the acceleration,and the shear stress） are obtained. |
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| Keywords: | stratified foundations modal displacements natural frequencies dynamic response |
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