基础隔震结构水平地震作用改进算法-建筑结构 关键词］基础隔震结构；水平地震作用；改进算法；规范 [gap=957]Keywords:base isolated structures; horizontal earthquake action; improved method; code
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水平地震作用的最敏感方向垂直桥的轴线。
The direction which is the most susceptible to horizontal earthquake action is perpendicular to the bridge axis.
再按刚度分配原则，可求出实际结构不形成机构体系可能承受的最大水平地震作用。
The maximum bearing horizontal seismic actions of a structure that mechanism system is not formed are calculated based on principle of stiffness distribution for a structure.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响，荷载组合复杂。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
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