THREE POTENTIAL LONGWALL MINING METHODS FOR THICK COAL SEAMS IN THE WESTERN UNITED STATES.

被引：0

作者：

Oitto, Richard H.

机构：

来源：

Information Circular - United States, Bureau of Mines | 1979年 / 8792期

关键词：

D O I：

暂无

中图分类号：

TD [矿业工程]; P61 [矿床学];

学科分类号：

0709 ; 081803 ; 0819 ;

摘要：

Three longwall mining methods are described that have potential for increasing underground recovery and productivity in thick coalbeds. The methods are multislice longwalling, longwall caving, and high-face longwalling. Foreign practice and possible application in the United States are discussed.

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