Arching in Soils with Cohesion and Intergranular Friction.
Abstract
The study was initiated to determine the feasibility of burying protective structures in a soil possessing both cohesion and intergranular friction. Idealized small-scale structures were buried in a compacted 'mixed' soil, and static overpressure up to 150 psi were applied to the surface. Seven laboratory tests were conducted in which footing area, depth of soil cover, and overpressure magnitude were the major variables. Measurements were made to determine the soil strain, soil and structure displacement, radial soil stress, and the load reaching the structure. It was found that these soils have arching characteristics similar to those in cohesive soils and to those in granular soils. Arching decreases with increasing load from essentially 100% to a value that is dependent upon the existing intergranular friction. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1973
- Accession Number
- AD0766100
Entities
People
- R. N. Murtha
Organizations
- Naval Facilities Engineering Service Center