Dynamic performance of a curved cable-stayed bridge

被引：58
|
作者：
Brownjohn, JMW [1 ]
Lee, J [1 ]
Cheong, B [1 ]
机构：
[1] Nanyang Technol Univ, Sch Civil & Struct Engn, Singapore 639798, Singapore
来源：
ENGINEERING STRUCTURES | 1999年 / 21卷 / 11期
关键词：
cable stayed bridge; finite element analysis; structural dynamics;
D O I：
10.1016/S0141-0296(98)00046-7
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The dynamic behaviour of a 100 m span curved cable-stayed bridge constructed in Singapore has been studied by full-scale testing and analytical models. Comparison of test results and free vibration analyses show that modelling of the deck end fixity is an important factor, while correct modelling of stay cables and stress stiffening effects is not so important except for identifying cable modes with weak superstructure interaction which may appear in the measured response. Estimates of stay-cable tension obtained from inducing cable vibrations may be inaccurate unless the anchorage stiffness and mass distribution are well known. Despite its limitations the ambient vibration test technique is most appropriate for a structure of this size. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1015 / 1027
页数：13
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