The major technical difficulties of Fenghuoshan Tunnel were caused by arctic alpine, high altitude and permafrost. Through analysis of the major technical problems of Fenghuoshan Tunnel, this paper explored the design...The major technical difficulties of Fenghuoshan Tunnel were caused by arctic alpine, high altitude and permafrost. Through analysis of the major technical problems of Fenghuoshan Tunnel, this paper explored the designing methods and ways of tunnels in arctic alpine climate, on high altitude and on permafrost regions, to offer reference for the projects of similar nature.展开更多
文摘The major technical difficulties of Fenghuoshan Tunnel were caused by arctic alpine, high altitude and permafrost. Through analysis of the major technical problems of Fenghuoshan Tunnel, this paper explored the designing methods and ways of tunnels in arctic alpine climate, on high altitude and on permafrost regions, to offer reference for the projects of similar nature.