Effect of Surrogate Aggregates on the Thermal Conductivity of Concrete at Ambient and Elevated Temperatures

Table 3

Mix proportions for paste, mortar, and concrete.

Mix type	W/C; ratio; (%)	Volume ratio (%)				Weight (kg m^−3)
		Cement	Water	Sand	Gravel	Cement	Water	Sand	Gravel
Paste	34.7	48.2	51.8	—	—	320	111	—	—
Mortar	54.7	17.2	29.2	53.5	—	320	175	827	—
Concrete	54.7	10.8	18.2	33.4	37.6	320	175	827	939