Hydraulic Mechanisms of the Deterioration of Concrete Sleeper Rail Seats Zeman, J.C., R.G. Kernes, J.R. Edwards, D.A. Lange and C.P.L. Barkan. 2011. Hydraulic Mechanisms of the Deterioration of Concrete Sleeper Rail Seats. In: Proceedings of the 2011 International Heavy Haul Association Conference. Calgary, Canada. Files Hydraulic Mechanisms of the Deterioration of Concrete Sleeper Rail Seats - Full Text (PDF) Categories Infrastructure