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Tunnel Leak Repairs

Tunnel leak repairs involves either improving the current waterproofing, replacing sections, or in serious cases redesigning the tunnel. In any case, specialist knowledge is required when working with tunnels due to the increased material loading and enclosed workspaces inherent with working with tunnels. If necessary, special techniques such as ground freezing may be utitilized to faciliate a permanent… More

Related Categories
Microtunneling  |  Tunnel Excavation  |  Tunnel Liner Grouting  |  Tunnel Linings  |  Tunneling, Boring & Jacking


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In 2001, it was assessed as a National Excellent Construction Unit. In 2002, it had been awarded the Titles of Winner of Gold Quality Prize of Shanghai Municipality and National Enterprise. The Ministry of Construction has qualified STEC as a super class… More