受工作面采动影响的下方胶运空巷二次加强支护设计

Secomdary Strengthened Support Design of Abandoned Roadway Under Coalface Mining Influence

酸刺沟煤矿6上101-1工作面胶运顺槽掘进过程中揭露断层,为避开断层,在原有巷道的正下方另外施工一条巷道。回采工作面推进到此处时,工作面端头要通过该空巷,为安全顺利通过空巷,决定对原胶运顺槽和现胶运顺槽以及端头采用打木垛、增加工字钢梁金属网和加注诺米一号等方法进行了二次加强支护。

In the process of transfer roadway excavation of Suancigou coal mine 6上101-1 face,The fault exposed.As to avoid the faults,to constructe the other tunnel under the original roadway.When the coal face advances here,the face end go through the empty alley.To pass empty Lane for security,deciding to increase secondary strengthened support on the original roadway,the abandoned roadway and the face end using the word wire mesh and steel beams,etc.one filling Nuomi.