References
[1] V. Guglielmetti, A. Mahtab and S. Xu, “Mechanized Tunneling in Urban Areas,” Taylor & Francis, Balkema, 2008.
[2] P. W. Abeles and B. K. Bardhan-Roy, “Prestressed Concrete Designer’s Handbook,” 1981.
[3] ANSYS User Manual 2005 ANSYS, Inc.