抛物线双肋拱在保向力作用下的横向稳定性

Lateral Stability of Parabolic Double-Rib Arch Under Directional Loads

摘要: 针对抛物线肋拱桥在保向力作用下的横向稳定性,建立了参数化的实用计算方法,并分析了矢跨比、横系梁刚度和支承约束度不同结构参数对双肋拱横向稳定性的影响,按本文中方法计算的双肋拱的临界荷载约为实际稳定承载力的2~3倍.
- 拱 /
- 横向 /
- 稳定性 /
- 抛物线
Abstract: A parameterized calculation method is proposed to calculate lateral stability of parabolic double-rib arches under directional loads. The influences of structural parameters on the lateral stability of arches are analyzed. The calculation results show that the critical load of double-rib arch is twice or three times as the bearing capacity obtained by experiment.
- arch /
- transversal /
- stability /
- parabola

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