2MANALO A, APAVINTHAN T, KAIUNASENA W, et al. A review of alternative materials for replacing existing timber sleepers[J]. Composite Structures, 2010, 92(6): 603-611.
3NAGAFUJI, TAKAHAPU. Performance of synthetic sleeper [J]. Quarterly geport of gTgl, 1988, 29(;5): 107-115.
4NAGAFUJI, TAKAHAgU. Profit in usage of synthetic sleeper[J]. Quarterly geport of gTgl, 7994, 35(I): 2-4.
5KOLLEE G. Composite m&teri&l for r&ilw&y sleepers[J]. Eisenb&hningenieur, 2008, 60(4): 7-24.