The flexibility measures as well as the broken coal rejects and other soft bulk material set up on the top of the temporary support should be applied to reduce the impacts of the roof falling rocks.
必须采取柔性措施以及提前在临时支架上方堆积碎煤矸等松散材料降低冒落矸石冲击力；
It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.
并成功进行了实践应用，为进一步完善松软厚煤层长壁综放工作面顺槽稳定性控制理论技术体系进行了有益探索。
It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.
并成功进行了实践应用，为进一步完善松软厚煤层长壁综放工作面顺槽稳定性控制理论技术体系进行了有益探索。
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