传统的高层混凝土结构重力二阶效应分析大多是近似方法，对于实际高层结构，这种近似分析方法会带来较大差错。
Traditional analyses of gravity second order effect for tall concrete structures are basically approximate. This approximate method will bring obvious errors.
数值算例表明，土-结构动力相互作用对结构的位移产生较大的影响，由此所引起的重力二阶效应可能使结构抗倾覆性能偏于不安全。
Numerical examples illustrate the effect of soil-structure interaction on the structures, and deformations of a structure compared with rigid body displacement under gravity second order action.
对超高层建筑空间巨型框架提出一个考虑水平力与重力相互影响的二阶效应的分析方法。
A simplified method of the second order effect between gravity and horizontal forces for super tall building space mega-frame is given.
对超高层建筑空间巨型框架提出一个考虑水平力与重力相互影响的二阶效应的分析方法。
A simplified method of the second order effect between gravity and horizontal forces for super tall building space mega-frame is given.
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