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小断面通道进入大断面主洞垂直交叉口CRD法与上挑洞法施工比较
金宝
Comparison and Contrast between CRD Method and Roof Ripping Method:
Case Study on Construction of Junction Section between Access
Tunnel and Main Tunnel
JIN Bao
隧道建设 . 2010, (6): 701 -705 .