Fracture Modeling of the Bi-Block Ballastless Track System Resulting from Early-Aged Relative Humidity during the Construction Process

Table 1

Material parameters.

Component	E28 (GPa)			ft (MPa)	D1 × 10^−10 (m^2.s^−1)		β	Hc (%)	am (m.d^−1)
Sleeper	36.0	0.2	0.3	1.54	0.25	0.018	1.3	98	0.0038
Track slab	32.5	0.2	0.4	2.39	0.5	0.022	1.1	98	0.0055
Foundation	25.5	0.2	0.6	2.74	2.02	0.071	0.8	98	0.0105