Effect of Desert Sand on the Mechanical Properties of Desert Sand Concrete (DSC) after Elevated Temperature

Table 4

Physical properties of aggregates.

Aggregate	Fineness modulus	Bulk density (kg·m^−3)	Apparent density (kg·m^−3)	Specific surface area (m^2·g^−1)	Specific gravity	Mud content (%)	Crushing index (%)
Desert sand	0.24	1400	2624	0.14	2.62	0.14	—
Medium sand	3.43	1545	2543	—	2.67	0.72	—
Coarse aggregate	—	1430	2698	—	2.73	0.78	8.6