Settlement Predictions Using Piezocone

by J. R. Davie, (M.ASCE), Bechtel Corp, Gaithersburg, United States,
H. Senapathy, (A.M.ASCE), Bechtel Corp, Gaithersburg, United States,
W. Murphy, Bechtel Corp, Gaithersburg, United States,



Document Type: Proceeding Paper

Part of: Vertical and Horizontal Deformations of Foundations and Embankments

Abstract: Detailed data on settlement predictions and measured values are given for two water tanks and an area of fill constructed on a thick soft clay stratum that showed decreasing preconsolidation characteristics with depth. Piezocone results were used to develop an overconsolidation ratio (OCR) versus depth profile that gave estimated settlement values that were in good agreement with the actual settlement readings. Sensitivity of the predicted settlement to relatively small differences in OCR is demonstrated.

Subject Headings: Soil settlement | Soil water | Consolidated soils | Water tanks | Soft soils | Sensitivity analysis | Soil analysis | Clays

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