论文部分内容阅读
一、充填采矿法及研究充填体作用的意义1.充填采矿法应用状况充填采矿法在我国有色矿山、金矿及铀矿应用较为广泛.据1978年统计,充填法在有色矿山的使用比重为11.2%.到目前为止全国约有30多个生产和基建矿山使用充填法.充填采矿法在国外金属矿山的应用更为广泛.据1973年统计,充填法在加拿大的应用比重为29.1%.据1971年统计,美国有38个矿山不同程度上使用了充填法.据1975年统计,苏联应用充填法的比重为38%.
First, the filling method and the role of filling the meaning of filling 1. Application of filling mining method Filling mining method in our country non-ferrous mines, gold and uranium ore is widely used.According to statistics in 1978, filling method in non-ferrous mines use proportion 11.2%. So far there are about more than 30 production and infrastructure mines in the country using the filling method .Filling and mining method in the foreign metal mines more widely used. According to statistics in 1973, the filling method in Canada, the proportion of 29.1% In 1971, 38 mines in the United States used filling methods to varying degrees, and according to 1975 statistics, the proportion of Soviet-applied filling was 38%.