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为了解决汉江钢铁厂杨家坝铁矿采矿生产中遇到的矿岩破碎、稳固性差及回采顺序不合理、巷道垮冒严重、切割槽难以形成、落矿炮孔破坏、眉线保持不住等一系列问题,从1988年开始,马鞍山矿山研究院与杨家坝铁矿共同开展了采矿技术攻关试验研究工作。
In order to solve the Yangjiang Iron and Steel Plant Yangjiaba iron ore mining encountered in the production of rock crushing, poor stability and the order of unreasonable mining, roadway collapse serious, difficult to form the cutting groove, demolition mine hole damage, brow line could not hold A series of questions, from 1988 onwards, Maanshan Institute of Mining and Yangjiaba iron mine jointly conducted a mining technology research and experimental work.