dilatable

Aiming at difficulties in supporting dilatable soft rock roadway, control method was put forward to control effectively deformation and failure of dilatable soft rock roadway in Hongmiao Colliery.

对红庙煤矿软岩巷道存在的难题，给对的巷道控制方案，并在实践中到验证，有效地控制红庙煤矿软岩巷道的变形和破坏。