Welding a Rail Joint

The purpose of welding is to join rail ends together by the application of heat and thus eliminate the evil effects of rail joints. There are four welding methods used on railways.

(a) Gas pressure welding

(b) Electric arc or metal arc welding

(c) Flash butt welding

(d) Thermit welding

The detailed descriptions of these methods are given below.

Types of Rail Joints | RAILWAY ENGINEERING | Gas Pressure Welding