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夹皮沟金矿位于吉林省桦甸县境内.该矿是一个具有一百余年开采历史的老矿.全矿现有三个生产坑口,每年生产黄金×万余两,是目前我国较大的黄金生产矿山之一.该矿巷道围岩、矿体围岩主要为角闪斜长片麻岩、注入片麻岩,混合片麻岩等.由于受构造影响,矿岩的节理、裂隙发育不等,稳固性相差较大.需要支护的巷道占有相当的比重.七十年代以前多采用传统的支护形式(木支架、砼砌碹等),1980年以来,特别是近两年随着国内外地下工程支护技术的发展,尤其是喷锚技术的迅速发展,推广应用,该矿组成了三十余人的喷锚支护专业施工队伍在其三个坑口的硐室,平巷,马头门
Located in Huadian County, Jilin Province, the Jiapigou Gold Mine is an old mine with a mining history of over one hundred years. There are three existing production mines in the mines, each producing 100,000 tons of gold each year, which is the largest One of the gold production mines.The surrounding rock of the mine roadway and the main orebody surrounding rocks are mainly hornblende plagioclase gneiss, gneiss, mixed gneiss, etc. Because of the influence of structure, the joints and fractures of ore rock are not developed And so on, the stability of the big difference between the need to support the roadway occupies a considerable proportion of the seventies before the use of traditional forms of support (wood brackets, concrete puzzle, etc.), since 1980, especially in the past two years with At home and abroad, the development of underground engineering support technology, especially the rapid development of spray anchor technology, the promotion and application of the grouting anchor technology, the mine formed more than 30 people spray anchor supporting professional construction team in its three pit chamber, lane, Horse head door