论文部分内容阅读
1引言喷浆也称喷混凝土或喷砼，是在修建矿山巷道、地铁、水工隧洞以及军用与民用地下建筑等施工中广泛采用的一种建筑和支护方法。然而在人工喷浆时，回弹的沙石使工人不敢睁眼、抬头，往往无法达到喷枪与受喷面垂直、喷枪口与受喷面保持最佳距离的喷浆工艺要求。主要缺陷表现
1 Introduction Shotcrete, also known as shotcrete or shotcrete, is a widely used method of construction and support in the construction of mine tunnels, subways, hydraulic tunnels, and military and civilian subsurface structures. However, in the manual spraying, the rebound of sand makes workers dare not open their eyes, looked up, often can not reach the spray gun perpendicular to the spray surface, spray nozzle and spray surface to maintain the best distance from the spray process requirements. The main defect performance