浅谈现浇混凝土空心楼板施工技术

浅谈现浇混凝土空心楼板施工技术

摘要：现浇混凝土空心楼板施工技术是国内近几年才发展起来的结构新技术 ,与现浇实心混凝土楼板相比 , 空心楼板是采用轻质填充材料为内模，填埋于砼楼板内所形成的楼板，轻质填充材料施工时起内模板作用，施工完成后留在楼板内与钢筋砼楼板结构组成空腹楼板，使楼板具有更高的经济指标、更好的受力性能、更长的耐火极限，大大提高楼板的隔音、隔热、减振、节能等环保性能。此类空心板的突出特点是空心率高，且方便施工，混凝土可以一次浇筑。本文主要结合实际工程介绍了现浇空心楼板施工技术。

关键词：现浇混凝土；空心楼板；施工技术

Abstract: the construction technology of cast-in-place concrete hollow floor slab is a new structure of domestic technology developed in recent years, compared with a cast-in-place concrete hollow floor slab solid, is the use of lightweight fill material for internal model, formed in the concrete floor slab landfill in light filling materials, construction of inner template effect, after the completion of construction in the slab and reinforced concrete slab structure consisting of hollow floor slab, the slab has higher economic index, better mechanical performance, longer refractory limit, greatly improve the sound insulation, heat insulation, shock absorption, energy saving and environmental protection performance of floor. Prominent characteristics of this kind of hollow slab is hollow rate is high, and is convenient for construction, concrete can be cast at a time. This paper mainly introduces the construction technology of cast-in-situ hollow floor with actual engineering.

Keywords: cast-in-situ concrete hollow floor; construction technology;

工程概况

商业、住宅楼6幢(自编倚莲半岛1-6号)及文化活动中心1幢工程，本工程部分地下室顶板采用了现浇空心板结构技术。空心板厚度为500mm，轻质箱体截面分别为820×820×300mm、820×650×300mm、820×500×300mm。轻质填充箱体由轻质多孔材料加工而成，为了最大限度减轻结构自重，采用加强的聚苯乙烯发泡塑料（EPS）填充。

轻质箱体所用材料

轻质箱体采用专利产品，是一种带加强层的聚苯乙烯泡沫塑料填充体。其生产工艺可靠，产品质量轻、吸收水率低、保温性能好；经过多个工程的实践检验，使用性能良好。