Research Article
Feb 1981
At-Rest Lateral Pressure of Peat Soils
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VIEW THE REPLYPublication: Journal of the Geotechnical Engineering Division
Volume 107, Issue 2
Abstract
The results are presented of an experimental program directed toward evaluating K0 (the coefficient of lateral earth pressure under conditions of no lateral formation) and its dependence on stress history and other parameters of peat soils. Three peats with different fiber contents were consolidated in a custom-built K0-test tube. During loading and rebound, the axial deformations, pore pressure, and both axial and radial stresses were measured. A sand and clay sample compared well with previously reported values and empirical predictions. The values of K0 for the peat sample were found to remain essentially constant during the loading phase, but their values (which increased gradually during unloading) never exceeded unity. Several indirect approaches were tried to compute the K0 of the peats from effective shear strength parameters. Peat type appeared to exert a significant influence on the measured values of K0 during loading.
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Published In
Journal of the Geotechnical Engineering Division
Volume 107 • Issue 2 • February 1981
Pages: 201 - 217
Copyright
© 1981 American Society of Civil Engineers.
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Published in print: Feb 1981
Published online: Feb 11, 2021
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Authors
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Tuncer B. Edil, M.ASCE
Prof., Dept. of Civ. & Environmental Engrg. and Engrg. Mechanics, Univ. of Wisconsin, 2318 Engineering Building, 1415 Johnson Dr., Madison, Wisc. 53706
Abdulmohsin W. Dhowian
Asst. Prof., Dept. of Civ. Engrg., Riyad Univ., Riyad, Saudi Arabia
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