按施工程序,空心板在安装完毕之后,即用与构件相同标号或不底于C18的细石砼灌缝。按规定,灌缝的砼应计量准确,浇捣密实,认真养护,在其达到一定强度之后才能在楼板上堆放物料和施工操作。但在实际施工中往往做不到这一点,在每层的 According to the construction procedure, after installation of the hollow slab, the hollow slabs shall be grouted with the same number as the structural member or fine stone lining not under C18. According to the regulations, the concrete should be accurately measured, concrete poured, carefully maintained, and only after it reaches a certain strength can the materials and construction operations be stacked on the floor. However, this can often not be achieved in actual construction, on each floor