Question #1 (5 pts.): A sieve analysis was performed on a sample of aggregate for use in an asphalt pavement, with the results shown below: No. No. No. No. Sieve Size (in.) 1/2 3/8 No. 4 No. 8 16 30 40 50 No. 100 No. 200 pan Amount retained (g) 0.0 339.1 278.9 247.6 233.9 221.8 185.7 159.8 61.1 41.2 51.8 Do the following: a) Calculate the percent retained and percent passing each sieve, and graph the results on a 0.45 power graph (you may use the attached chart, or graph in Excel and include with your submission). (2 pts.) b) Calculate the fineness modulus and characterize the gradation of the material. (1 pt.) c) Briefly discuss its use as an asphalt aggregate based on the general requirements, as well as the gradation required for Superpave as compared to the sieve analysis results. (1 pt.) d) Briefly discuss the benefits of using this material from a sustainability standpoint. (1 pt.)

Fig: 1