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一、概述 本课题结合我国国情,以钢筋混凝土多层管框架为研究对象,发展适用于专县建筑工程及房屋密集而施工条件差的市镇建设工程。为此,要求这种框架结构应尽可能具有下述特点;构件预制,采用定型模具,大量节约木材;构件轻巧,节约水泥;节点构造简单,接头不用焊接;吊装方便,不用大型吊装设备;节点拼装,二次浇注混凝土,不
I. Overview This topic, combined with China’s national conditions, takes the reinforced concrete multi-layered pipe frame as the research object, and develops town construction projects that are suitable for the county’s construction projects and houses with poor construction conditions. For this purpose, it is required that such a frame structure should have the following characteristics as far as possible; prefabrication of components, adoption of a fixed mold, substantial wood conservation; light weight of components, saving of cement; simple structure of joints, no welding of joints, convenient lifting, and no large lifting equipment; Assembly, secondary pouring concrete, not