利用三维有限元计算弹塑性地基中不同基础在水平力与竖向力作用下交错桁架体系的变形与内力。
The three dimensions FEM is used to investigate the displacement and forces of staggered truss with different foundation in elastoplastic ground under horizontal and vertical loads.
桁架是交错桁架体系的主要构件，桁架的标准化设计、工厂化制作对推动交错桁架体系在我国钢结构住宅中的应用具有重要意义。
Truss is the main structural component, its standardization design and factory melt produce is very important, for the application of the staggered truss system in the residence steel structure.
采用将交错桁架体系中相邻两榀平面结构并列放置，耦合相同楼层所有节点的水平位移的方法建立了交错桁架体系的横向平面分析模型；
Transverse 2-dimensional FE model of the staggered truss system is set up by arranging adjacent frames parallelly and coupling lateral displacements of all nodes on the same floor.
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