(Solved): Instructions Given the following gradation data, determine the optimum combined gradation (e.g., \% ...

Instructions Given the following gradation data, determine the optimum combined gradation (e.g., \% Coarse, \%Intermediate, and \%Fine) for the following specifications: 1. ASTM C 33 Gradation 2. 0.45 Power Curve 3. Shilstone Chart 4. $8?28$ gradation limits 5. $5^{?20}$ gradation limits Gradation Data