PDF(3535 KB)
Loose Circle Test and Active-passive Combined Support Technology for Deep Buried Carbonaceous Phyllite Tunnel
Guo Yanhui, Hou Kepeng
Chinese Journal of Underground Space and Engineering ›› 2021, Vol. 17 ›› Issue (1) : 214-221.
PDF(3535 KB)
PDF(3535 KB)
Loose Circle Test and Active-passive Combined Support Technology for Deep Buried Carbonaceous Phyllite Tunnel
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