三维地震作用下板锥柱面网壳结构的力学性能

Mechanic Behaviors of Plate-cone Cylindrical Reticulated Shell Subject to Three-dimensional Earthquake Action

以两纵边支承的板锥柱面网壳结构为研究对象,基于几何非线性有限元法,运用时程分析法计算板锥柱面网壳结构在三维地震作用下的地震响应,研究了板锥柱面网壳结构在动力作用下的位移和内力分布规律,同时分析了此结构在地震作用下的支座反力特点,并且得出了一些有价值的结论,为板锥柱面网壳结构的应用和设计提供理论指导。

Plate-cone cylindrical reticulated shell that is supported through two longitudinal edges is studied. Earthquake responses of plate-cone cylindrical reticulated shell in three-dimensional earthquake are calculated based on nonlinearity finite element method and direct dynamic analysis. Rules of displacements and internal forces in dynamic action are achieved. Features of reaction force are analyzed. The valuable results are got to guide the application and engineering design of plate-cone cylindrical reticulated shell.