Laboratory Mechanical Fatigue Performance of Under-ballast Mats Subjected to North American loading Conditions Lima, A. de O., M.S. Dersch, Y. Qian, E. Tutumluer and J.R. Edwards. 2017. Laboratory Mechanical Fatigue Performance of Under-ballast Mats Subjected to North American loading Conditions. In: Proceedings of the 11th International Heavy Haul Association Conference. Cape Town, South Africa. Files Laboratory Mechanical Fatigue Performance of Under-ballast Mats Subjected to North American loading Conditions - Full Text (PDF) Categories Infrastructure