目前,很多民用建筑采用预应力长,短向圆孔板,因为圆孔板大多用钢模生产,所以,板底平整、光滑,装修时板底很少抹灰,而是利用刮腻子喷浆的办法。这样,就要求安装完的预制板板底能够一平,板缝也要求能够抹得平,只有每道工序严格把关,细致操作,才能使 At present, many civil buildings use long prestressed, short-to-round hole plates, because circular hole plates are mostly produced by steel molds. Therefore, the bottom of the plate is flat and smooth. During the decoration, the bottom of the plate is rarely plastered. The way. In this way, it is required that the bottom of the prefabricated plate to be installed be flat, and the seams of the plates are required to be able to be evenly wiped. Only the strict control and careful operation of each process can make