Evaluating the Potential for Damaging Hydraulic Pressure in a Concrete Tie Rail Seat Zeman, J.C., J.R. Edwards, D.A. Lange and C.P.L. Barkan. 2010. Evaluating the Potential for Damaging Hydraulic Pressure in a Concrete Tie Rail Seat. In: Proceedings of the ASME Joint Rail Conference. Urbana, IL. Files Evaluating the Potential for Damaging Hydraulic Pressure in a Concrete Tie Rail Seat - Full Text (PDF) Categories Infrastructure