Experimental Study and Numerical Analysis of Structural Performance of CRTS II Slab Track under Extreme High Temperature

Table 2

Mix proportion of concrete.

Concrete	Mix proportion (kg/m^3)				Water reducer
	Cement	Water	Fine aggregate	Coarse aggregate
C55	500	160	644	1146	1.7
C50	510	173.4	669.5	1047.1	1.5
C40	432	168	558	1242	1.4