Method for Determining Longitudinal Stiffness of Combined Double Thin-Walled Pier Based on Train-Track-Bridge Interaction

Table 4

Temperature difference for the bridge ruled in ‘Code for Design of Railway Continuous Welded Rail (TB 10015–2012)’.

Bridge type	Temperature difference
	Ballasted track (°C)	Ballastless track
Concrete bridge	15	30°C
Steel bridge	25	—