ratio of rigidity

The analytical results show that, as the transverse rigidity decreases, the area of compressive region increases and the longitudinal effective rigidity ratio decreases.

结果表明，随横向刚度减小，截面受压区面积增大，隧道纵向等效刚度有效率减小；

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Tension bar, however, as one of the main parts of port crane, are characterized with big slender ratio and low rigidity, which can easily cause Vortex-vibration.

拉杆是港口起重机重要组成构件，具有细长比大、刚度小等特点，很容易发生涡激振动，而剧烈的振动能够引起拉杆的疲劳开裂，造成安全事故。

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This paper discusses the allowed width-to-thickness ratio of the sub-panels and the rigidity requirement of the stiffeners used in stiffened composite stub columns.

针对该新型方钢管混凝土轴压短柱，探讨子板件最大宽厚比及加劲肋的最小刚度确定方法。

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