简谐环形荷载作用下饱和土体中圆形衬砌隧洞的动力响应研究被引量：2

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摘要基于Biot理论,研究了带有衬砌的圆形隧洞在法向简谐集中环形荷载作用下的动力响应。假定衬砌为弹性体,土体为饱和多孔介质,结合边界条件及连续条件,通过傅立叶变换得到波数域中衬砌和土体的应力、位移和孔隙水压力幅值解答,最后用傅立叶逆变换得到动力响应幅值的数值解。与不考虑衬砌的隧洞动力响应相比,数值分析的结果说明衬砌对动力响应有较大影响。

作者黄晓吉扶明福徐斌黎剑华

机构地区华东交通大学土木建筑学院南昌大学建筑工程学院南昌工程学院土木工程系

出处《铁道建筑》北大核心 2011年第1期29-32,共4页 Railway Engineering

基金国家自然科学基金(地区)(50969007/E090702)

关键词简谐环形荷载衬砌隧洞饱和土傅立叶变换动力响应

分类号 U451 [建筑科学—桥梁与隧道工程]

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参考文献9

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