Effect of Track Conditions on the Flexural Performance of Concrete Sleepers on Heavy-haul Freight Railroads Gao, Z., M.S. Dersch, Y. Qian and J.R. Edwards. 2017. Effect of Track Conditions on the Flexural Performance of Concrete Sleepers on Heavy-haul Freight Railroads. In: Proceedings of the 11th International Heavy Haul Association Conference. Cape Town, South Africa. Files Effect of Track Conditions on the Flexural Performance of Concrete Sleepers on Heavy-haul Freight Railroads - Full Text (PDF) Categories Infrastructure