Effect of Elevated Temperature on the Properties of Self-Compacting Mortar Containing Nanomaterials and Zircon Sand

Table 1

Chemical composition and physical properties.

Oxide	Cement	Zircon sand	River sand
SiO2	21.56	21.20	96.18
Al2O3	6.67	6.911	2.76
Fe2O3	6.17	3.155	0.06
CaO	49.88	—	—
MgO	4.51	—	—
SO3	2.75	—	—
K2O	0.76	—	—
Na2O	0.43	—	—
V2O5	—	0.384	—
Cr2O3	—	0.465	—
ZrO2	—	67.685	—
Cl	—	<0.005	—
LOI	2.79	<0.01	0.67
Water absorption (%)	—	0.69	0.75
Water content (%)	—	0.07	0.09
Density (kg/m^3)	3150	2790	1570
Coefficient of thermal expansion (10^−6/°C)	—	7.20	11.75