机译:采空区入口自然挡土体稳定性研究
^pKey;
Laboratory;
of;
Coal;
Resources;
and;
Mine;
Safety,;
China;
University;
of;
Mining;
&;
Technology,;
Xu;
:hou;
221008,;
China;
^pof;
Mines,;
China;
University;
of;
Mining;
&;
Technology,;
Xuzhou;
22116,;
China;
^pCoal;
Limited;
Liability;
Company,;
Panzhihua;
617066,;
China;
采空区侧; 自然现象; 稳定性; 充填体; 填充材料; 压力分布规律; 支撑系统; 煤层采空区;