Pore Pressures Near Moving Underwater Slope

by Karel L. Meijer, Research Engr.; Delft Hyd. Lab., Delft, The Netherlands,
Adriaan G. van Os, Deputy Head; Density Currents and Transport Phenomena Branch, Delft Hydr. Lab., Delft, The Netherlands,

Serial Information: Journal of the Geotechnical Engineering Division, 1976, Vol. 102, Issue 4, Pg. 361-372

Document Type: Journal Paper


Pore pressures near a moving boundary of a saturated soil mass are calculated and compared with tests. For a more realistic approximation of the stress-strain behavior of soil, a dilatancy effect has been introduced that is based upon Rowe's stress-dilatancy relation and the assumption of a linear relationship between the principal stress ratio and the major principal strain. The field equations for the problem have been transformed to account for the traveling boundary. A psuedo three-dimensional consolidation theory is used to describe the fluid-soil skeleton interaction. The results of the computations were compared with pore-pressure measurements and showed reasonable agreement if dilatancy was taken into account.

Subject Headings: Stress strain relations | Soil dilatancy | Pore pressure | Slopes | Soil pressure | Domain boundary | Saturated soils | Soil tests

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