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平凉新安煤业有限责任公司新安煤矿隶属于徐州矿务集团有限公司,位于甘肃省平凉市崇信县新窑镇境内,始建于2005年7月,生产能力为90万吨/年,以“一井一面”安全高效生产为模式。矿井井田面积4.51平方公里,地质储量10855万吨,可采储量6996.6万吨。矿井开采煤层主要赋存在+1050m~+350m之间,现开采1煤,埋藏较深,井田处在“S”形轴倾向斜内,地应力和构造应力大,围岩为侏罗纪,软岩问题突出。建井以来,矿井一直致力于软岩支护技术研究,和深部岩土力学与地下工程国家重点实验室、中国矿业大学
Pingan Xin’an Coal Industry Co., Ltd. Xin’an Coal Mine belongs to Xuzhou Mining Group Co., Ltd., located in Pingyang City, Gansu Province, Chongxin County, the new town, was founded in July 2005 with a production capacity of 900,000 tons / year to “One well side ” safe and efficient production as a model. Mine area of 4.51 square kilometers, geological reserves of 108.55 million tons, recoverable reserves of 69.966 million tons. The main coal seam in the mine is located between +1050 m and +350 m. Coal is mined and deep buried. The minefield lies in the inclined axis of the “S” shape axis with large geostress and tectonic stress. The surrounding rock is Jurassic , Soft rock problems prominent. Since the establishment of wells, the mine has been committed to soft rock support technology research, and the State Key Laboratory of Geotechnical and Underground Engineering, China University of Mining and Technology