The construction and support of a super room in soft seam is introduced,and smooth blasting,bolt-mesh-shotcreting support and forepling technique are emphasized.

 
  • 本文介绍了在松软煤层中大断面硐室施工与支护的具体方法,着重阐述光面爆破技术和锚网索喷浆支护及超前插钢针支护技术。
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