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MODERN TUNNELLING TECHNOLOGY 2011, Vol. 48 Issue (2) :170-173    DOI:
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Milling Excavation Technique of Liangshui Tunnel Embedded in Soft Rocks
(CCCC Second Highway Engineering Co., Ltd., Xi'an 710065)
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Abstract  Milling excavation is suitable for tunnels embedded in soft rocks. Construction technology and options by adopting milling machine are introduced. Comparison between drill and blast method and milling excavation is carried out in terms of construction safety, quality and schedule. Practice indicated that the combination of milling excavation and drill and blast is more safe and economic.
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SUN Wei-Gang
WANG Cheng-Wu
CHEN Jian
Keywords：  Tunnel in soft rock   Milling excavation   Drill and blast method   Comparison     
Abstract：  Milling excavation is suitable for tunnels embedded in soft rocks. Construction technology and options by adopting milling machine are introduced. Comparison between drill and blast method and milling excavation is carried out in terms of construction safety, quality and schedule. Practice indicated that the combination of milling excavation and drill and blast is more safe and economic.
Keywords：  Tunnel in soft rock,   Milling excavation,   Drill and blast method,   Comparison     
Cite this article:   
SUN Wei-Gang, WANG Cheng-Wu, CHEN Jian .Milling Excavation Technique of Liangshui Tunnel Embedded in Soft Rocks[J]  MODERN TUNNELLING TECHNOLOGY, 2011,V48(2): 170-173
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http://www.xdsdjs.com/EN/      或     http://www.xdsdjs.com/EN/Y2011/V48/I2/170
　
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