Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.

针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。

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Beam and slab of RC floor system, which bear vertical load directly, act on each other and work together.

钢筋混凝土梁板体系中梁与楼板作为直接承担竖向荷载的构件，彼此之间相互作用，共同工作。

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The composite beam structure is modeled as a series system consisted of concrete slab, shear studs and steel beam.

运用系统可靠度评估的方法，结合梁被模型化为由混凝土板、剪力传递器和钢梁串联而成的结构系统。

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