This paper describes the weaker lateral rigidity of the portal crane.

本文介绍该门式起重机横向刚度较弱的问题,可供类似临时结构参考.

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Low value of bridge lateral rigidity results in a series of derailment accidents on bridges.

少数桥梁横向刚度不足,导致桥上货物列车脱轨事故多次发生.

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The simplified formulas used to calculate the masonry structure lateral rigidity and internal force are presented.

提出确定底层框架砖房抗震墙数量的简化方法,对砖墙侧移刚度及内力分析提出了简化的实用计算公式.

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