Effect of Incorporating Nanoporous Metal Phosphate Materials on the Compressive Strength of Portland Cement

Table 3

Compressive strength of concrete specimens.

Core no.	Calculated water/cement ratio	Force (Newtons)	Measured compressive strength (N/m^2)
(1)	0.48	20461	$3.97\times {10}^7$
(2)	0.48	11120	$2.15\times {10}^7$
(3)	0.60	12454	$2.41\times {10}^7$
(4)	0.68	7562	$1.46\times {10}^7$
(5)	0.81	4448	$8.55\times {10}^6$