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尼亚加拉引水发电洞——世界最大硬岩TBM设计施工 被引量:3

Niagara Tunnel Project-Tunnelling with the Largest Hard Rock TBM
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摘要 世界最大的硬岩掘进机(TBM),与TBM开挖同步进行的预应力现浇素混凝土衬砌,TBM现场直接组装,20英寸刀头,设计引水能力500m3/s,140m内水头,地下水对混凝土有腐蚀性,90年设计寿命,构成了尼亚加拉发电引水洞设计与施工的亮点。对隧洞沿线地质条件,隧洞设计与施工方案的选择,TBM特性,施工中遇到的问题及隧道改线等内容进行了论述。 The world's largest hard rock horing machine with 14.4m in diameter, unreinforced cast-in-place concrete lining that he prestressed to resist internal water pressure using a high-pressure "interface" grout applied between the shotcrete and the final lining, to be installed independent of the TBM boring operation. On-site assembly, 20-inch cutters, the tunnel will divert 500m^3/s of flow, with 140m internal water pressures, a minimum 90 year life span,all these forms the highlight of the Niagara tunnel project.
出处 《南水北调与水利科技》 CAS CSCD 2010年第1期144-147,共4页 South-to-North Water Transfers and Water Science & Technology
基金 "十一五"国家科技攻关课题"南水北调西线工程超长隧洞施工关键技术问题研究"(2006BAB04A06)
关键词 尼亚加拉 隧洞 TBM 预应力 衬砌 Niagara tunnel TBM prestressing lining
作者简介 杨维九(1964-),男,河南博爱人,高级工程师,现任南水北调西线工程设计副总工程师,主要从事西线工程总布置研究工作。
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  • 1http: //www, niagarairontier, com/tunnel, html. TUNNELFACTS.
  • 2John Tait,Russel Delmar, etc. Design/Build Agreement For the Niagara Tunnel Project,2007 RETC PROCEEDINGS, 288-299.
  • 3Four bidders for Niagara Tunnel,Tunnels & Tunnelling International,2006, (2) : 13.
  • 4Largest rock TBM for Niagara,Tunnels & Tunnelling North America,2005, (12) :7.
  • 5Niagara plan of attack, Tunnels & Tunnelling North America, 2006, (12) : 15-17.
  • 6Build phase begins on Niagara Power Tunne, Tunnelling & Trenchless Construction October 2003, (10) 4.
  • 7Niagara team may face realignment .Tunnels & Tunnelling North America, 2008,3,8.
  • 8Michael Hughes. Paul Bonapace, etc. An Innovative Approach To Tunneling in the Swelling Queenston Formation of Southern Ontario, 2007 RETC PROCEEDINGS, 901-912.
  • 9Flourishing final finish.July 2006 Tunnels & Tunnelling International, 39.
  • 10Doug Harding, NIAGARA TUNNEL PROJECT, 2007 RETC PROCEEDINGS, 312-321.

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