Wind Loads nonlinear static instability theory, derived for calculating the nonlinear stiffness matrix, and the development of long-span Bridges in the nonlinear static.

风荷载作用下的非线性静力失稳理论，推导了适合计算的非线性刚度矩阵，并开发了大跨度桥梁的非线性静力。

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Their relationships between instability of stacked layer and its span, height, and loading are studied respectively.

并研究了三种失稳与砌体梁的跨距、高度及其承受载荷的关系。

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