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根据以穆龙陶矿床为基地的企业建设第Ⅳ期工程技术经济论证,露天矿开采深度将增加到550～630m,同时胶带排土场的总高度拟增加到160～170m。在露天矿开采期间已记录22起岩石边坡和排土场的滑坡破坏,这是因为近边坡的矿体和排土场地基的工程地质条件不佳所致(存在严重的构造变动、改变的风化岩石带及片理发育)。随着露天矿加
According to the technical and economic evidence of the project Ⅳ based on the Mu Longtao deposit base, the mining depth of the open pit mine will be increased to 550-630m, and the total height of the waste dump will be increased to 160-170m. Twenty-two landslides of rock slopes and dumps have been recorded during surface mining operations because of the poor engineering geology of the abutments and dump sites near the slopes (with significant structural changes, changes Of the weathered rock belt and development). With the open pit plus