5J.A.Richards.Inspection,Maintenance and Repair of Tunnels:International Lessons and Practice[J].Tunneling and Underground Space Technology, 1998,13:369-375.
6VCarr,J.H.M.Tah.A Fuzzy Approach to Construction Proect Risk Assessment and Analysis:Construction Proiect Risk Management System[J].Advances in Engineering Software,2001,32:845-857.
