Experimental Investigation on the Effects of Coffee Husk Ash as Partial Replacement of Cement on Concrete Properties

Table 2

Properties of sand.

Tests performed	Test result	Test method	Allowable limit	Standard
Fineness modulus	2.79	ASTM C136	2.3–3.1	ASTM C33
Unit weight	1273.8 kg/m^3	ASTM C29	1200–1760	ASTM C33
Specific gravity	2.8	ASTM C128	2.3–2.9	ASTM C128
Absorption	1.7%	ASTM C128	0.2–2%	ASTM C128
Moisture content	2.34%	ASTM C566	0–10%	ASTM C33
Silt content	1.3%	ASTM C-117	≤5%	ASTM C33