OPTIMUM ASEISMIC DESIGN OF TOWER AND PIER SYSTEMS OF LONG SPAN SUSPENSION BRIDGES.

被引：0
|
作者：
Yamada, Yashikazu
Furukawa, Kohei
机构：
来源：
Doboku Gakkai Rombun-Hokokushu/Proceedings of the Japan Society of Civil Engineers | 1979年 / 281期
关键词：
BRIDGES; SUSPENSION; -; Supports; OPTIMIZATION;
D O I：
10.2208/jscej1969.1979.17
中图分类号：
学科分类号：
摘要：
Optimization technique was applied to tower and pier systems subjected to seismic external forces. Almost the same optimal solutions were acquired by two different methods: actual data technique with average answer spectrum in input, and probability method using density coefficient of power spectrum. Optimal aseismic design was found to be greatly influenced by modulus of elasticity of the foundation on which the tower or pier system of the bridge is constructed. If the modulus of elasticity is small, then the displacement of pier top is limited; if it is large, then the design should prevent pier falling down and tower buckling.
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页码：17 / 27
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