喷锚支护以其独特的性能、优良的技术经济效果、施工简便快速、易于实现机械化施工等一系列优越性,一开始就受到人们的普遍重视。六十年代,特别是七十年代以来,在国外更有了长足的发展。目前,我国在冶金、煤炭、铁道、水电、军工等部门的地下工程,也已获得广泛应用。据不完全统 Spray anchor support with its unique performance, excellent technical and economic results, the construction is simple and fast, easy to implement a series of advantages of mechanized construction, from the beginning by the people’s attention. Since the 1960s, especially since the 1970s, there has been a great development in foreign countries. At present, underground engineering in China’s metallurgy, coal, railway, hydropower, military and other departments has also been widely used. According to incomplete system