Research Article
Nov 1971
Analysis of Load-Bearing Fills over Soft Subsoils
Publication: Journal of the Soil Mechanics and Foundations Division
Volume 97, Issue 11
Abstract
The protection afforded soft subsoils by the stress-distributing characteristics of load-bearing fills is examined. Using recently developed finite element techniques of analysis, including nonlinear soil properties, a complete stress-deformation solution of a fill-subsoil system is obtained. The proposed method is first examined by applying it to three problems, one hypothetical and two actual load test case histories. The method is then used to study the stress distributing characteristics of granular fills overlying clay subsoils. As would be anticipated, the stiffer the fill relative to the foundation soil, the greater the reduction in stress transmitted to the underlying soil. Although the complexity of the load-bearing fill problem is such that simple charts cannot be prepared to indicate fill-subsoil interface stresses for different soil conditions and geometries, it is shown that approximate values of maximum vertical and shear stress can be obtained by use of an easily applied formula for modulus characterization and a simple geometrical function.
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Information
Published In
Journal of the Soil Mechanics and Foundations Division
Volume 97 • Issue 11 • November 1971
Pages: 1549 - 1571
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Nov 1971
Published online: Feb 12, 2021
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Authors
Affiliations
James K. Mitchell, F.ASCE
Prof. of Civ. Engrg., Univ. of Calif., Berkeley, Calif.
William S. Gardner, M.ASCE
Pres., Woodward-Gardner & Assocs., Inc., Philadelphia, Pa.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.