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

Table 2

Mix proportions.

Specimen	Cement; (kg m^−3)	Fly-ash; (kg m^−3)	Water; (kg m^−3)	Aggregates (kg m^−3)
				Fine	Coarse	Glass bubble	LWA
Normal	288	32	175	822	934	—	—
K10	288	32	175	870	732	12	—
K20	288	32	175	870	494	24	—
K30	288	32	175	870	227	37	—
Argex	288	32	175	834	—	—	510
Asanolite	288	32	175	834	—	—	583