Ross was taking a walk on a cold, winter day. a few minutes into his walk, ross's hands got cold, so he rubbed them together to warm them. ross warmed his hands by using:

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.