Combinating the advantages of light weight, high bearing and good wholeness of the hollow floor, changed the superposed slab into hollow plates to ease self-respect and raise the latter bearing the weight of the superposed slab.

• 结合现浇空心楼板重量轻,承载力高,且整体性好的优点,将叠合结构现浇部分作成圆孔板,以减轻自重和提高叠合板的最终承载力;