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    百科知識:喷锚支护

    2019-04-18

    噴錨支護指的是借高壓噴射水泥混凝土和打入岩層中的金屬錨杆的聯合作用(根据地质情况也可分别单独采用)加固岩层。喷混凝土可以作为洞室围岩的初期支护。喷锚支护是使锚杆、混凝土喷层和围岩形成共同作用的体系,防止岩体松动、分离。把一定厚度的围岩转变成自承拱,有效地稳定围岩。当岩体比较破碎时,还可以利用丝网拉挡锚杆之间的小岩块,增强混凝土喷层,辅助喷锚支护。

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