Analysis on the influence of bolt length on tunnel durrounding tock and its bolt-and-spraying support structure
BAI Lian-feng
LI Zhen
XU Dong-qing
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Publication Date:2020-10-10
Pages:3( 36-38 )
Intelligent City

Intelligent City

ISSN:2096-1936
Year, Vol.(Issue):2020,6(19)