下向分层胶结充填法在我国黄金矿山的应用与发展

APPLICATION AND DEVELOPMENT OF DOWNWARD CEMENTED CUT-AND-FILL MINING IN CHINA GOLD MINES

本文对该法在我国的应用与发展情况作了简要介绍;对回采工艺和充填工艺中的控制爆破、钢筋敷设、充填体强度确定、充填材料选择与配比的确定作了详细阐述;对铺碎石层与盖塑料布的预埋废钢丝绳桂电耙尾轮、预埋钢筒作充填风井和普通风井、安装接顶指示灯等项新技术作了详细介绍。

This paper has briefly introduced the application and development of cut-and-fill mining method in China gold mines, and has described the technology of stoping and filling on controlled blasting, layout of reinforcing bars, determination of the filling material strength, and selection and ratio of filling materials, last, has given the achievement of new technique study, such as. laying crushed stone layers, covering plastic films, using waste steel ropes for fastening slusher rear wheel and steel pipe for fill material transport and ventilation prior to filling, and installing roof-closing indicator lamp.