But there is no shoulder in some types of tie plates. Rail tie plates usually have tapered side to improve the stability and reduce the twisting and torsion of rails. There are close relationship ...

As a result, the maximum force between each of the three contacting surfaces below the base of the rail at a given tie location is close to 18,000 pounds. The notional area of contact between the base ...

Heavy-duty main lines typically required 24 ties per 39-foot rail section or a tie spacing of 11-1⁄2″ between tie edges.

A tie plate, also known as base plate or sole plate, is a steel plate that is used between the steel rail and railway sleeper. Tie plates basically have some holes and shoulder(s). But there is no ...