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空腹楼板结构中模盒是一种预制构件,采用轻质防火保温材料制作,填埋于楼板内,组合成高性能的复合楼板,使其隔音、隔热、放火、防震及节能。模盒技术使得楼板混凝土用量降低10～30%,用钢量降低40～50%,建造总工期缩短10～15%,建筑层高降低200～300mm,使用模盒较原结构降低土建单方造价140～240元/m2,降低结构单方造价150元/m2。空腹楼板是采用模盒作为施工内模、并将模盒永久性地填埋于混凝土楼板内的一种由混凝土空腹结构与模盒相结合所形成的一种复合楼板结构。本文以石膏模盒空腹板为例,浅谈其在结构设计中的应用和优势。
The Flat Box is a prefabricated structure, made of lightweight fireproof insulation material, which is embedded in the floor to form a high-performance composite floor that is soundproof, heat insulating, arson, shockproof and energy saving. The use of mold box technology can reduce the amount of slab concrete by 10-30%, reduce the amount of steel by 40-50%, shorten the total construction period by 10-15%, and reduce the building height by 200-300mm. Use mold box to reduce the unilateral construction cost 140 ~ 240 yuan / m2, reduce the cost of unilateral construction 150 yuan / m2. The fasting floor is a composite floor structure formed by the combination of a concrete fasting structure and a mold box using a mold box as an internal mold and permanently filling the mold box in the concrete floor. In this paper, gypsum mold box empty web as an example, its application in structural design and advantages.