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High Stress Area 9 m Wide Caving Face Cut Combined Support
Author(s): 
Pages: 60-60,70
Year: Issue:  5
Journal: Coal

Abstract: 针对高应力区大断面综放面切眼支护困难的情况,采用等强锚杆锚索网联合支护方式,合理选择支护参数,改进施工工艺,分两次掘进,并增设单体支柱加强支护,与以往的架棚或普通锚杆支护方式相比,效果明显改善,实现了安全快速施工.
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