Evaluation of Pore Pressures Beneath an Embankment

by David J. D'Appolonia, (A.M.ASCE), Principal; Lambe Associate Inc., Concord, MA,
T. William Lambe, (F.ASCE), Edmund K. Turner Prof. of Civ. Engrg.; MIT, Cambridge, MA,
Harry G. Poulos, Sr. Lect. in Civ. Engrg.; Univ. of Sydney, Sydney, Australia,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1971, Vol. 97, Issue 6, Pg. 881-897

Document Type: Journal Paper


Excess pore pressures measured during construction of a highway embankment on a deep deposit of soft to medium clay are evaluated. Several methods for predicting initial excess pore pressures are examined, including a recently developed method that considers the effects of local yield within the foundation soil. Undrained shear strengths backfigured from the field pore pressure data are compared to strengths measured in laboratory shear tests and field vane tests.

Subject Headings: Field tests | Soil pressure | Shear strength | Shear tests | Pore pressure | Pressure measurement | Infrastructure construction | Soil strength

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