Structural Behavior of Nanocoated Oil Palm Shell as Coarse Aggregate in Lightweight Concrete

Table 3

Compressive strength of concrete.

Concrete type	W/C ratio	Compressive strength (MPa)
		7	14	28
OPS concrete	0.50	7.4	8.7	10.4
	0.55	8.6	9.5	11.6
	0.60	9.7	11.4	13.7
Nanocoated OPS concrete	0.32	16.8	18.1	24.6
	0.38	17.1	22.2	2543
	0.42	15.8	23.4	28.6
Conventional concrete	0.30	15.6	24.3	28.1
	0.42	16.8	24.6	26.6
	0.47	17.5	24.2	28.7