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我国混凝土结构设计规范尚无双钢筋混凝土构件的设计与施工条文。文中通过两块双钢筋混凝土空心双向大板的试验,对其受力性能、变形和承载能力作了分析。认为这种钢筋混凝土结构性能好、强度可满足要求;在正常使用荷载作用下不会出现裂缝,可按无裂缝板进行变形计算,并提出了设计要求。
There are no provisions for the design and construction of double-reinforced concrete structures in China’s concrete structure design specifications. In this paper, through the test of two double-reinforced concrete hollow two-way slabs, the mechanical properties, deformation and bearing capacity of the specimens are analyzed. It is considered that the reinforced concrete structure has good performance and strength can meet the requirements; no cracks will appear under the normal use load, and deformation calculation can be performed according to the crackless plate, and the design requirements are proposed.