中厚煤层无充填沿空快速留巷方案设计

Scheme design of gob-side entry retaining for medium thickness coal seam without filling

如何最大限度地进行资源回收和绿色环保开采,近年来一直是煤炭行业研究的主题。无充填沿空留巷技术,减少了工作面间的煤柱浪费,节约了一条工作面巷道的重新施工所耗的工时、工力和材料的投入,对资源的回收和经济效益意义十分巨大。

It has been the subject of coal industry research in recent years to maximize the recycling of resources and green environmental protection mining. No filling technology of gob- side entry retaining, reduce the waste of coal pillar between working faces, input and save the consumption of labor, power and material value to reconstruct a entry ,which has huge significance to the development of the recycling of resources and economy.