The collapse continued formed karstcollapsecolumn.
溶洞顶板持续塌陷会形成陷落柱。
2
The two results are identical, all indicate the ground stress in and around Karstcollapsecolumn is abnormity.
两者结果吻合,表明陷落柱及其周边存在应力异常。
3
Because of water outburst by hidden conducting Karstcollapsecolumn at the mining area of Renlou coal mine, the flood was caused in 1996, which causes losses up to 3.5 hundred million yuan.