随机地震激励下水中悬浮隧道的动力响应

董满生; 李满; 林志; 唐飞; 蒋树屏

doi:10.3879/j.issn.1000-0887.2014.12.004

随机地震激励下水中悬浮隧道的动力响应

doi: 10.3879/j.issn.1000-0887.2014.12.004

董满生^1,2,
李满¹,
林志²,
唐飞¹,
蒋树屏²

¹合肥工业大学交通运输工程学院, 合肥 230009;²招商局重庆交通科研设计院有限公司, 重庆 400067

基金项目: 交通运输部建设科技项目（2013318740050）；中国博士后科学基金（20110490833）

详细信息

作者简介:
董满生（1973—），男，安徽人，副教授，博士，硕士生导师（通讯作者. E-mail: dongms@hfut.edu.cn)；李满（1989—），女，河南人，硕士生(E-mail: 1421678619@qq.com).

中图分类号: U495.5
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出版历程
- 收稿日期: 2014-09-05
- 修回日期: 2014-11-13
- 刊出日期: 2014-12-15

Dynamic Response of the Submerged Floating Tunnel Under Random Seismic Excitation

¹School of Transportation Engineering, Hefei University of Technology, Hefei 230009, P.R.China;²China Merchants Chongqing Communications Research & Design Institute Co.,Ltd.,Chongqing 400067, P.R.China

Funds: China Postdoctoral Science Foundation（20110490833）

摘要

摘要: 将张力腿定位的水中悬浮隧道结构简化为弹性简支梁和弹性支撑刚性梁的叠加，基于Euler(欧拉)梁理论给出悬浮隧道管段受迫振动时的运动方程，等效线性化处理动力方程非线性项；采用虚拟激励模拟随机地震输入，数值模拟平稳随机地震下水中悬浮隧道管体的动力响应，给出管段的位移功率谱.通过位移功率谱分析表明：随着消能连接装置阻尼系数和张力腿弹簧系数的增大，管段的动力响应减弱，其中张力腿的刚度对悬浮隧道管体的震动影响较为显著.
- 水中悬浮隧道 /
- 管体 /
- 随机振动 /
- 虚拟激励法 /
- 动力响应
Abstract: The submerged floating tunnel stayed by tension legs was simplified as the superposition of an elastic beam and an elastically supported rigid beam, the motion equations of forced vibration for the floating tunnel tube based on the BernoulliEuler beam theory were presented, then the nonlinear term of the dynamic equations was linearized equivalently. The pseudo excitation was input to simulate the random seismic impact and study the response of the submerged floating tunnel tube, with the displacement power spectrum at the middle point given and discussed detailedly. The displacement power spectrum analysis indicates that the displacement response of the tube decreases with the spring stiffness of the supporting tension legs and the damping coefficient of the energy dissipation devices, of which the former is of much higher significance.
- submerged floating tunnel /
- tube body /
- random vibration /
- pseudo-excitation method /
- dynamic response

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参考文献(19)

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随机地震激励下水中悬浮隧道的动力响应

doi: 10.3879/j.issn.1000-0887.2014.12.004

作者简介:
董满生（1973—），男，安徽人，副教授，博士，硕士生导师（通讯作者. E-mail: dongms@hfut.edu.cn)；李满（1989—），女，河南人，硕士生(E-mail: 1421678619@qq.com).

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Dynamic Response of the Submerged Floating Tunnel Under Random Seismic Excitation

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留言板

随机地震激励下水中悬浮隧道的动力响应

doi: 10.3879/j.issn.1000-0887.2014.12.004

作者简介: 董满生（1973—），男，安徽人，副教授，博士，硕士生导师（通讯作者. E-mail: dongms@hfut.edu.cn)；李满（1989—），女，河南人，硕士生(E-mail: 1421678619@qq.com).

计量

出版历程

Dynamic Response of the Submerged Floating Tunnel Under Random Seismic Excitation

计量

出版历程

目录

作者简介:
董满生（1973—），男，安徽人，副教授，博士，硕士生导师（通讯作者. E-mail: dongms@hfut.edu.cn)；李满（1989—），女，河南人，硕士生(E-mail: 1421678619@qq.com).