Coal mining collapse area in Southern District of Tangshan is due to land subsidence and collapse for Kailuan Coal Mine has been mining for 100 years. It is an important geologic hazard caused by coal mining.
唐山南部采煤塌陷区是开滦煤矿百年开采导致地面下沉、塌陷的产物,是煤矿开采造成的重要地质灾害之一。
参考来源 - 采煤塌陷区水体富营养化生物修复试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Coal mining-induced cliff rock cracking and collapse enhanced hydraulic connection between the landslide and the cliff, indirectly increased the precipitation area of the landslide.
采煤活动诱发的危岩体开裂和崩塌，加强了滑坡体与危岩体的水力联系，间接扩大了滑坡体的受雨面积。
Collapse of mined-out area is an environmental geological hazard of the coal mining area.
采空区塌陷属于煤矿区的环境地质灾害问题。
Because of water outburst by hidden conducting Karst collapse column at the mining area of Renlou coal mine, the flood was caused in 1996, which causes losses up to 3.5 hundred million yuan.
1996年任楼煤矿首采面曾因隐伏导水陷落柱突水，引发淹井灾害，造成3.5亿元的重大经济损失。
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