1. Adverse condition of concrete in tension and steel joist 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。
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2. Structural systems used for low-rise lightweight steel residence include frame system, lightweight steel joist 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。
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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.
针对轻钢龙骨体系的连接特点，对其结构简化计算方法进行了研究，提出一些简化方法。
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4. Based on the connection character of lightweight steeljoist system, the simplification of structural analysis is studied and some simplified recommendations are also put forward.
