New double pits dynamic regulating mode for stripping and mining in surface coal mineChinese Full Text
ZHAO Hong-ze;ZHANG Rui-xin;LIU Xian-quan;ZHEN Xuan;School of Resources and Safety Engineering,China University of Mining ＆ Technology(Beijing);China Coal Pingshuo Group Co.,Ltd.;Planning ＆ Design Research Institute of Coal Industry Co.,Ltd.;
Abstract: According to the sharp dropping coal seam and peaking stripping ratio caused by complicated geologicalconditions,which can not be solved by regulating the stripping and mining with traditional advance stripping method,a method of double pits dynamic regulating mode based on the basic principles of surface mine was put forward,andthen,double pit-leaping mining mode and it’s applicable conditions and key factors were detailed analyzed. The coalseam of Antaibao Surface Coal Mine in China changes from flat seam to sharp dropping seam during the mining area ofLuzigou anticline. Combining with the surface mine problems that occurred during the anticline mining area,this papertook Antaibao Surface Coal Mine as a case study. The results show that the stripping ratio is balanced and the produc-tion keeps stability,moreover,the economic benefit is improved with double pits dynamic regulating mode in sharpdropping seam surface mine.
Keywords：
surface coal mine; double pits dynamic regulating mode; double pit-leaping mining method; sharp dropping coal seam; advance stripping;
- DOI：
10.13225/j.cnki.jccs.2013.0690
- Series：
- Subject：
- Classification Code：
TD824
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