Problems are based on Schroeder 6th Edition. 1. Refer to text book problem 3 in chapter 4. “NP” means “Non-plastic.” Pro

[answerhappygod]

Problems are based on Schroeder 6th Edition. 1. Refer to textbook problem 3 in chapter 4. “NP” means “Non-plastic.” Problemtable has the following errors: Soil No 4, Sieve #10 should beblank. Soil No 5, Sieve #10 should be 86. a. Which of the 9 sampleswill have the primary USCS classification of S? Why? b. Which ofthe 9 samples will have the primary AASHTO classification ofGranular? Why? c. Classify soil number 1 using both the USCS andAASHTO classification. Draw a soil gradation curve. Use the graphicin the file “Grain Size Distribution Graph” only. Please be awarethat percent finer is the same as percent passing. You can printand use the same graph for questions 1c and 2, just be sure toindicate which curve is which. Clearly explain the steps you followfor each method and show any necessary calculations.