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近年来,装配式和装配整体式外部配筋结构在各建筑领域都有很大的发展。原因一是它能够利用外部的配筋作为现浇结构的模板,也能使装配式钢筋混凝土的模板得到简化;二是外部的配筋能同时起到钢筋混凝土受力筋和保护层的作用;三是构件节点安装不须设置预埋铁件和凸出部分;四是能简化各种通道和设备的固定;五是由于免去了保护层,钢筋布置更加紧凑,降低了构件的高度。钢筋混凝土结构采用外部配筋可以降低钢材的消耗,并大大节约劳动力。基辅电力设计院提出了一种采用外部角钢配筋的钢筋混凝土杆件结构。角钢彼此间
In recent years, prefabricated and assembled monolithic external reinforcement structures have developed greatly in various construction fields. The first reason is that it can use external reinforcement as a template for cast-in-situ structures, and can also simplify the formwork of prefabricated reinforced concrete. Second, the external reinforcement can also act as reinforcing bars and protective layers for reinforced concrete. Third, the installation of component nodes does not require the installation of embedded iron parts and protruding parts. Fourth, it can simplify the fixing of various channels and equipment. Fifth, because the protective layer is eliminated, the arrangement of reinforcing bars is more compact and the height of components is reduced. Reinforced concrete structures using external reinforcement can reduce the consumption of steel and greatly save labor. Kiev Electric Power Design Institute proposed a reinforced concrete bar structure with external angle steel reinforcement. Angles between each other