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锚喷支护是近二十年发展起来的一种新型支护形式。从1965年起先后在我国煤炭、冶金、水电、交通等系统试用。由于锚喷支护和传统的砌碹巷道相比具有投资省、成巷速度快等明显优点,采用锚喷支护可降低成本30％左右、节约木材95％、提高工效1至2倍。因此,锚喷支护目前已成为煤矿井卷工程的主要支护形式之一。但是,随着锚喷支护的广泛采用。喷射作业中粉尘浓度大的矛
Anchor spray support is developed in the past two decades a new form of support. From 1965 successively in China’s coal, metallurgy, utilities, transportation and other systems trial. Compared with the traditional roadway construction, the investment and support of bolting and shotcreting are obvious advantages such as investment saving and laneway speeding. The use of anchor and shotcrete support can reduce the cost by about 30%, save 95% wood and improve the efficiency by 1 to 2 times. Therefore, anchor and shotcrete support has now become one of the main support forms for the coal mine roll project. However, with the widespread use of anchor spray support. Spear dust concentration in the spear