1.An undisturbed soil sample has a dry unit weight of 112 pcf with a specific gravity of solids equals to 2.68.
a) What is the void ratio for the undisturbed sample?
b) What is the porosity for the undisturbed sample?
2. A moist soil sample weighing 22.2 N has a moisture content of 20%.
a) How many kN of water must be added to the sample to increase the moisture content to 30%?