Evolution of Longitudinal Resistance Performance of Granular Ballast Track with Durable Dynamic Reciprocated Changes

Table 2

Tested ballast longitudinal resistances.

Position of testing point	Testing point	Longitudinal resistance (kN/sleeper)	Mean resistance (kN/sleeper)	Notes
On subgrade	SG-1	26.6	28.0	—
	SG-2	27.6
	SG-2	29.8
On bridge	LF-1	21.3	21.7	Temperature span 72 m
	LF-2	21.1
	RF-1	14.5	15.8	Temperature span 100 m
	RF-2	17.1
	MF-1	26.1	27.4	Above the fixed pier of the continuous beam bridge
	MF-2	28.6