Analysis on the 13 Grey Aquifer’ s Hydrophobic Drop Test of the First Coal Mining Face in 1160 Mining Area of the Lower Coal Group
WU Xin-qing
QIAO Jian-wei
JIANG Yi-ting
ZHAO Kui-shuai
Abstract：The 13 grey aquifer’ s hydrophobic drop test is done in the first coal mining face of 1160 mining ar-ea, which is minus 400m in the lower coal group.The hydrogeological condition , which affects the mining of upper coal seam in the No.16 lower coal group , is found out.It provides reliable basis for the constitution of economic , reasonable , effective measures of water disaster ’ s prevention and control , and provides experience of water disaster ’ s prevention and control for safe mining on confined waters in the lower coal group of the whole shaft area.
Keywords：the first coal mining face in the lower coal groupconfined water mininghydrophobic drop test
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：5( 11-14,23 )