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

Table 6

Comparison between manual and program results for the modified DOE method.

Mix proportions	Manual	Program	Variation
			Numeric	%
Cement (kg/m^3)	617.28	614.49	2.79	0.45
Water (kg/m^3)	170.26	170.31	−0.05	−0.03
FA (kg/m^3)	518.66	517.61	1.05	0.2
CA (kg/m^3)	1098.54	1106.28	−7.74	−0.7
Superplasticizer (kg/m^3)	6.688	6.66	0.03	0.42