Investigation into the Heat of Hydration and Alkali Silica Reactivity of Sustainable Ultrahigh Strength Concrete with Foundry Sand

Table 4

Physical properties of aggregates and foundry sand.

Property	Standard	Unit	Manufactured sand	Siliceous sand	Foundry sand
Unit weight	ASTM C29	kg/m^3 (lb/ft^3)	1,432 (89.4)	1,510 (94.3)	1,411 (88.0)
Water absorption	ASTM C127	%	1.94	0.99	0.08
Bulk specific	ASTM C127	—	2.52	2.56	2.62
Bulk specific	ASTM C127	—	2.43	2.52	2.62

ssd, saturated surface dry condition; od, oven dried condition.