摘要
采用伽辽金法建立了U形和矩形截面薄壳渡槽整体侧扭稳定性分析的平衡方程,推导了临界荷载的计算公式,并通过实例计算分析了公式的正确性,探讨了渡槽侧扭稳定特性,可供大型薄壳渡槽的整体稳定性设计参考。
Galerkin method is adopted to set up a equilibrium equation for global side-torsion stability analysis of a Ushaped and rectangle thin-shell aqueduct, and a calculation formula for critical load is deduced. The validity of the formula is proved through calculating examples, the characteristics of the side-torsion stability of the aqueduct is discussed, to provide references for the design of a large-scale thin-shell aqueduct.
出处
《水利与建筑工程学报》
2008年第3期12-14,共3页
Journal of Water Resources and Architectural Engineering
基金
水利部科技创新项目(SCX2001-15)
关键词
薄壳渡槽
伽辽金法
整体稳定性分析
临界荷载
thin-shell aqueduct
Galerkin method
global stability analysis
critical load
