ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2008, Vol. 28 ›› Issue (1): 51-55.DOI: B
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GAO Haihong
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Abstract:
Wansongling tunnel, located in Hangzhou, China, is a largespanned highway tunnel containing 4 lanes in both directions. Due to the large crosssection, large span, shallow cover, complex engineering geological conditions and complex surrounding environment of the tunnel, there exist great difficulties in the construction of the tunnel. By means of such key construction technologies as ground preconsolidation performed from inside tunnel, doublesidedrift construction method and microvibration blasting, the tunnel has been completed safely and successfully and good economic and social efficiency has been achieved.
Key words:  , complex environmentlargespanned tunnelkey construction technology
CLC Number:
 
U455
GAO Haihong. Key Construction Technology for Largespanned Highway Tunnels under Complex Environment[J]. Tunnel Construction, 2008, 28(1): 51-55.
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