Preliminary design of very long-span suspension bridges

被引：69
|
作者：
Clemente, P
Nicolosi, G
Raithel, A
机构：
[1] ENEA, Ctr Ric Casaccia, I-00060 Rome, Italy
[2] Univ Naples Federico II, Dipartimento Anal & Progettaz Strutt, I-80125 Naples, Italy
来源：
ENGINEERING STRUCTURES | 2000年 / 22卷 / 12期
关键词：
suspension bridges; long-span bridges; limit span; deflection theory;
D O I：
10.1016/S0141-0296(99)00112-1
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The feasibility of very long-span suspension bridges is analysed. The relation between the geometrical parameters, the load and the material characteristics is first discussed in order to find out the limit value of the span length. An iteration procedure is then proposed to study the main aspects of the structural behaviour in the deflection theory. The results of a numerical investigation allow to state that the behaviour of a very long-span suspension bridge, both in terms of stresses and deflection, is similar to the behaviour of an unstiffened cable, the contribution of the girder being negligible. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1699 / 1706
页数：8
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