中厚煤层综采工作面无煤柱回采实践

Practice on no pillar actual mining at the combined mining face of the middle and thick seam

介绍新集二矿集中厚煤层条件综采面无煤柱回采的方式、送巷位置和时间的选择 ,巷道压显现规律及护巷措施。

The way,selection of the roadway position and time,rules of the mine pressure appearance and roadway protective measures of no pillar actual mining at the combined mining face of the middle and thick seam in Xinji No.2 Coal Mine are introduced.