摘要
邢东矿-980水平以深为深部开采区域,矿井进入该区开采后,已先后发生5次奥灰突水,深部奥灰突水危险性较浅部明显增加。2129工作面位于-980水平以深区域,埋深大于1000 m,为孤岛工作面,周边工作面均有不同程度出水,受高地压和高承压水影响,工作面回采过程中极易发生出水。为有效避免出水,采用地面区域治理、井下综合物探、顶板水力压裂等防治水技术进行综合防治。
Xingdong Mine under-980 level as a deep mining area,in the deep mining area,there was five times of Ordovician limestone water burst,the risk of the water burst in the deep area increased significantly compared to the shallow area.2129 working surface is located in the deep area of-980 level,the depth of burial is more than 1,000 m,it is an isolated working surface,the surrounding working surface has different degrees of water burst,affected by high pressure and high pressure water,the working surface with possible water burst during the recovery process.In order to effectively avoid water discharges,water prevention and control techniques such as surface area treatment,integrated physical exploration underground and hydraulic fracturing of the roof were used.
作者
闫兴达
Yan Xingda(Xingdong Mine,Jizhong Energy Corporation Ltd.,Xingtai 054000,China)
出处
《煤炭与化工》
CAS
2020年第4期54-56,共3页
Coal and Chemical Industry
关键词
孤岛
大埋深
地压
水力压裂
isolated islands
large burial depths
ground pressure
hydraulic fracturing
