刚接框架四种类型主梁经济性对比分析
摘要：框架结构中梁常用的类型有钢梁、组合梁、型钢混凝土梁和普通钢筋混凝土梁四种。将某框架结构中的主梁分别按四种类型进行设计，并对其经济性和力学性能进行了对比分析，提出设计建议。
关键词：刚接框架主梁;经济性;对比分析
comparsion and analysis of main girder of four types in rigid frame
Liu guangzhong，Cao Pingzhou (College of Civil and Transportation Engineering, Hohai University, Nanjing, Jiangsu, China) Abstract:There is four types of beams commonly used in the frame structure,namely, steel beam, composite beam, steel reinforced concrete beams and reinforced concrete beams.In this article,a main girder in a frame structure is designed into four types,separately.Then,their economic and mechanical properties is compared,and design suggestion is also proposed.Keyword: main girder in rigid frame;economic property; comparsion analysis
框架是多层建筑常用的结构体系，常采用梁与柱刚接的连接方式。为实现房屋的灵活分割，设计时常采用大柱网，楼盖采用主次梁构成的梁格体系。主梁选型的合理性对工程的经济性有重大影响。主梁可选用钢梁、钢与混凝土组合梁、型钢混凝土梁和普通钢筋混凝土梁等形式。本文结合某工程刚接框架主梁的选型，分别按四种类型进行主梁设计，并对经济性和力学性能进行对比分析，提出设计建议。
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