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为了促进黄金生产的发展和大力节约木材,我局于1980年11月在张家口金矿召开了推广锚喷支护现场会。参加会议有各地、县黄金管理部门和省属、地方国营金矿共19个单位40个代表。会上张家口金矿介绍了推广锚喷支护的经验。该矿岩石比较破碎,1975年开始应用锚喷支护,到目前为止共喷护巷道共20866米,斜井682米,用钢绳砂浆锚喷的巷道交叉点20多处,没发生过冒落
In order to promote the development of gold production and greatly save the timber, our bureau held an on-site promotion of anchor and shotcrete support at the Zhangjiakou Gold Mine in November 1980. There were 40 delegates from 19 units of gold management departments of all localities and counties and provincial state and local state-owned gold mines. Zhangjiakou Gold Mine at the meeting introduced the promotion of anchor spray support experience. The mine rock is relatively broken, the application of anchor and shotcrete support began in 1975, so far a total of 20866 meters of roadway protection, inclined 682 meters, with rope mortar anchor spray tunnel crossing more than 20, there have been no fall