带混凝土筒大开间砖混结构灵活住宅体系的特点是，每个单元有一个钢筋混凝土楼梯筒，分户横墙与外纵墙均采用组合砖墙砌体。
The unique feature of the large bay flexible residential building is that:every unit itself consists of a reinforced concrete tube-stairway core body-with its repective composite wall with openings.
结合某多层钢结构住宅示范楼的设计，着重讨论了组合扁梁楼盖在大开间住宅体系中的应用及设计方法。
With reference to the structural design of one multi story lightweight steel house, the authors mainly discuss how to design the composite flat beams in large bay buildings.
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