Abstract: In a recent surficial slope failure in a compacted silty sand fill slope it was observed that the failure plane had developed just beneath the bottom of the grass roots. Results of drained direct shear tests performed at ...

Abstract: A debris flow is defined as soil with entrained water and air that moves readily as a fluid on low slopes. A case history of a debris flow adjacent to the Pauma Indian Reservation is described. Two contributing factors in ...

Abstract: A slab‐on‐grade must be designed to resist two types of expansive soil movement: the short‐term cyclic heave/shrinkage around the perimeter of the foundation and the long‐term progressive swelling beneath the center of the ...

Abstract: Collapsible soils are susceptible to a large reduction in volume upon wetting. For the soil tested, the sampling process did have an effect on the laboratory test results. The process of driving a Shelby Tube into the ...