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Showing 1 to 2 of 2 for “"tie pad"”.
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Hydraulic Mechanisms of Concrete-Tie Rail Seat Deterioration
… the most critical problem with concrete-tie performance on North American freight railroads. RSD is the deterioration of the concrete underneath the rail that results in problems such as wide gauge, insufficient rail cant, and loss of fastening toe load. Currently, the problem is not …
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The mechanics of abrasion on concrete crosstie rail seats
… of the primary factors limiting concrete crosstie service life, particularly in heavy-haul freight operations. RSD refers to the degradation of the material at the contact interface between the concrete crosstie rail seat and the rail pad assembly that protects the bearing area of the crosstie …