Study on Large Span Support Technology of Open-Off Cut with Unstable Thick Mudstone Roof
ZHANG Li-sheng
Keywords:unstable thick mudstone rooflarge span open-off cutinternal and external load structure"three high"support technology
Publication Date:2014-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:3( 31-33 )
Coal Engineering

Coal Engineering

PKUISTIC
ISSN:1671-0959
Year, Vol.(Issue):2014,46(7)