回风顺槽过断层应力区支护工艺优化设计

Optimization Design of Support Technology for 303 Air Return Channel Passing through Fault Stress Zone in South Disc Area

左云长春兴煤业有限公司综掘一队在施工303回风顺槽过断层应力区时,采用深孔注浆+加长锚杆支护+架设L型工字钢梁的联合支护方式,保证了安全顺利通过,取得了显著成效。

Zuoyun Changchun Xing Coal Industry Co.,Ltd.,a group of fully mechanized excavation,adopted the combined support method of deep hole grouting+lengthening bolt support+erection of L type I-beam to ensure the safety and smooth passage and achieved notable results in the construction of 303 return air through the fault stress area.