同时考虑几何非线性与材料非线性，对单层球面网壳在地震作用下结构的最不利荷载进行分析。
The most unfavorable earthquake excitations were investigated, in which geometric non-linearity and material non-linearity were all taken into account.
环梁设计采用了预应力等效荷载和重力、风、温度、地震多种荷载组合下的最不利内力。
The maximum forces due to combinations which include the prestressed equivalent load, gravity load, temperature action, earthquake action etc are applied to ring beams design.
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