本发明 形成的垫层砂浆具有强度高，弹性好的优点。
The bedding mortar made through the grouting method has the advantages of high strength and excellent elasticity.
垫层应先加以潮湿，铺一层厚2～3cm的水泥砂浆，涵管机然后于水泥砂浆凝聚前浇注第一层混凝土。
Mat layer shall first be wet, put a layer of thick 2 ~ 3 cm of cement mortar, he slipped end-over-end machine and then in cement mortar before the first layer of concrete pouring agglomerate.
应用推荐