Adverse condition of concrete in tension and steeljoist in compression occurs at inner support regions of continuous composite steel concrete beams.
连续组合梁在内支座处的负弯矩区段会出现混凝土板受拉、钢梁受压的不利局面。
2
Structural systems used for low-rise lightweight steel residence include frame system, lightweight steeljoist system and multi-ribbed posts system and so on.
低层轻钢住宅结构体系有：框架结构体系、轻钢龙骨结构体系以及密肋柱结构体系等。
3
Based on the connection character of lightweight steeljoist system, the simplification of structural analysis is studied and some simplified recommendations are also put forward.