long-span arch 大跨度拱
long-span arch bridge 大跨度拱桥结构
long-span arch structure 大跨度拱型结构
single arch long-span tunnel 单拱大跨隧道
long-span RC arch 大跨度钢筋砼拱桥
long-span bridge arch 大跨度拱桥
long-span stone arch bridge 大跨径石拱桥
However, the width of an arch has a limitation which leads to the long span archs lateral stability lower because of its small ratio of width and span.
但由于拱体的横向尺寸总是有限的，往往使得大跨径拱桥的宽跨比很小。
The numerical results show that the travelling wave effect has significant influence on the long span arch bridge, the arrangement of bracing beams is sensitive to stability.
分析表明，地震行波作用对大跨径拱桥影响很大，横撑设置对稳定性敏感。
This paper discussed the transfer matrix theory of vibration analysis of long-span arch bridge.
本文探讨大跨度拱桥振动分析传递矩阵法理论。
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