Initial Pore Pressure from Vertical Surface Loads

by Jacobo Bielak, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Carnegie-Mellon Univ., Pittsburgh, Pa. 15213,

Serial Information: Journal of the Geotechnical Engineering Division, 1982, Vol. 108, Issue 9, Pg. 1167-1171

Document Type: Journal Paper

Discussion: Marti Pascual (See full record)
Discussion: Choi Ying-Kit (See full record)


In estimating the initial settlement of footings supported on saturated clay soils, it is necessary to evaluate the instantaneous excess pore pressure developed in the soil upon application of the load. In this study, an explicit formula is derived for the instantaneous excess pore pressure beneath a corner of a uniformly loaded rectangular area. The pressure at an arbitrary point within the soil, then, is obtained by simple superposition of the basic result.

Subject Headings: Vertical loads | Load factors | Pore pressure | Soil pressure | Soil settlement | Saturated soils | Clays | Footings | Foundation settlement

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