Stowage Front Dams Helping Support Coal Longwalls.

被引：0

作者：

Trebacz, Wiktor

机构：

来源：

Przeglad Gorniczy | 1977年 / 33卷 / 05期

关键词：

MINES AND MINING - Roadway Supports;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Individual types of front dams for hydraulic stowage in coal mines together with individual and mechanized supports are discussed. Technical and economic results of individual solutions and directions of further investigations are given.

引用

页码：201 / 205