论采煤工作面支护

Expound on Support at Coal Face

采场中需用各种支架支护工作空间的顶板,以保证可采工作能正常进行。考虑到当前多发性顶板事故,采场支架应具备支、护、稳三个方面的基本性能,既支得起,护得好,稳得住。

All kinds of support are required at coal face to ensure that mining work can go on. Thinking of multiple roof accidents at present, the support must have three basic fimction,suchas, support shield and stable.