The results of a laboratory experiment to evaluate the effects of a plasticizer are shown. a. Calculate the water/cement in each of the three cases. 6. Choose an appropriate case that - by using water reducer, how can we increase the compressive strength of concrete without changing workability? (Refer to the appropriate case in the table) c. Choose an appropriate case that - by using water reducer, how can we improve workability without changing the compressive strength? (Refer to the appropriate case in the table) d. Choose an appropriate case that - by using water reducer, how can we reduce cost with out changing workability or strength? (Refer to the appropriate case in the table) With Water Reducer Without Water Reducer Case 1 Case 2 Case 3 Cement Content, kg/m³ Water Content, kg/m³ Slump, mm Compressive Strength, MPa 850 850 850 765 465 465 370 419 50 100 50 50 37.8 38.0 46 37.9

Engineering economics (engineering economy) is a sub-field of economics to study the use and application of the economic principles in the engineering analysis of decisions along with the systematic evaluation of the advantages of project costs inclusive…