Measures to prevent railway track swelling

The track is inspected and maintained regularly to ensure that the track geometry and condition are good.
Timely replacement of severely worn rail and fastener.

Replenishment and repair of ballast, keep ballast clean and compact.
Avoid water or debris in the ballast affecting the ballast resistance.

According to the local climate conditions and the actual situation of the line, the lock rail temperature should be set reasonably.
Avoid increasing track temperature and pressure due to low locking track temperature.

When performing construction operations in high temperature weather, relevant regulations should be observed to avoid damage to the stability of the line.
The state of the line should be restored in time after the construction operation.

Regular safety training and publicity should be conducted for railway workers to improve their awareness of and ability to cope with the hazards of track expansion.
To promote railway safety knowledge to passengers and the public and enhance public safety awareness.