Research And Application Of Extend The Life Of Heavy Railway Turnout

With the rapid development of social economy, we require higher capacity of railway transport. Development of heavy railway becomes necessary trend. But with increasing of the axle load, it will accelerate the rate of track structures’ destruction.For example increasing axle load results in a very negative impact on fatigue damage,crack formation and development of the rail. Curve, joints and turnout is known as the three weak link of tracks. They are significantly affected by increasing axle load, especially the life of the turnout will be significantly shortened. How to prolong the service life of heavy railway turnouts becomes a popular research.Through researching the application of domestic and international heavy railway turnouts, basic experimental research of turnout, testing the dynamics of heavy railway turnouts and experimental Study of wear state of wheel it gives some advice on improving the service life of heavy turnouts.