1SELIG E T, WATERS J M. Track Geotechnology and Management[ M ] .Thomas Telford Press, England, 1994.
2JAIN V K, KESHAV K. Stress Distribution in Railway Formation-A Simulated Study[ A ]. Proceedings of the 2^nd International Symposium on Pre-Failure Deformation Characteristics of Geomaterials -IS Torino99[C]. Italy, 1999, (1):653-658.