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喷混凝土和锚杆(包括预应力锚索)加固技术,在我国的水电站地下工程中已得到了广泛的应用,其中采用喷锚衬砌的有压水工隧洞有20多条,洞
Sprayed concrete and anchor (including prestressed anchor) reinforcement technology has been widely used in underground engineering of hydropower station in our country. Among them there are more than 20 pressurized hydraulic tunnels with grouting and lining,