摘要
传统锚杆支护在煤矿巷道复杂条件下存在的问题是影响采煤工作面衔接的重要因素之一。从理论上分析了不同锚固方式支护对巷道的影响,得出全长锚固在巷道实际应用中,能够增强锚杆对围岩错动及离层的控制。通过在冀中能源峰峰集团大淑村矿的井下实践,证明了锚杆全长锚固支护优于传统端锚支护,能有效控制围岩变形,从而保证矿井生产安全。
The existing problems of the traditional bolt support in coal mine roadway under complex conditions influ- ence the cohesion of the working surfaces. To analyze the influenses of the different modes of anchorage support on roadway theoretically,obtaine full-length anchoring used in roadway can enhance the slippage of bolts on surrounding rock and separation control. Through the underground practice in Dashucun coal mine to prove the full-length ancho- ring bolt support is superior to the traditional end anchoring support, and effectively control the deformation of sur- rounding rock and assure the production safety of coal mine.
出处
《河北化工》
2013年第02X期75-77,共3页
Hebei Chemical Industry
关键词
煤矿
巷道
锚杆
支护
全长锚固
强力支护
coal mine
roadway
bolt
support
full-length anchoring
strong support
