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| 2011, Vol. 48(3): 117-122 DOI: | ||
| Study on Entrance Excavation of a Tunnel in Shallow SoftFractured Surrounding Rock | ||
| (1 Shanxi Provincial Key Laboratory for Highway Bridges & Tunnels, Chang'an University,Xi'an 710064; 2 Shanxi Gaoling Expressway Co., Ltd., Lingchuan 048300) |
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| Received null Revised null | ||
| Supporting info | ||
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