A study of vibration reduction structural system of long-span cable-stayed bridges

被引：0

作者：

Xu, XL ^{[1
]}

Liu, WQ ^{[1
]}

Wang, RG ^{[1
]}

Wang, ZF ^{[1
]}

Wu, WS ^{[1
]}

Wu, XL ^{[1
]}

机构：

[1] Nanjing Univ Technol, Nanjing, Peoples R China

来源：

PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON EARTHQUAKE ENGINEERING: NEW FRONTIER AND RESEARCH TRANSFORMATION | 2004年

关键词：

cable-stayed bridge; energy dissipation; vibration reduction; viscous damper;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The damped energy - dissipated technique of bridges is to increase the damping of structures, to absorb the vibration energy due to earthquake and other external factors, and then to reduce the response of structures by installing energy dissipation devices in bridges. In this paper, viscous dampers are introduced because of their superior energy consuming capacity without increasing the stiffness of structures. A scheme is proposed that vibration reduction design is carried out both longitudinally and transversally, and issues are discussed on how to combine the general structural system with the structural system of vibration reduction in order to satisfy needs of normal use as well as seismic fortification for long-span cable-stayed bridges. Using the example of the North Channel Bridge on HangZhou Bay, design principles and effects of the structural system of vibration reduction for long-span cable-stayed bridges are verified.

引用

页码：529 / 534

页数：6

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