Investigating Trends and Costs Associated with Designing Concrete Mixes Using Different Methods by Computer Programs

Table 7

Comparison between manual and program results for the ACI 211.4R-8 method.

Mix proportions	Manual	Program	Variation
			Numeric	%
Cement (kg/m^3)	334.8	337.94	−3.14	−0.93
Water (kg/m^3)	188.92	188.89	0.03	0.02
FA (kg/m^3)	613.4	610.09	3.31	0.54
CA (kg/m^3)	1072.5	1072.5	0	0.00
Fly ash (kg/m^3)	63.77	64.37	−0.6	−0.93
Superplasticizer (kg/m^3)	2.39	2.41	−0.02	−0.83