Research Article
Sep 1975
Static Stresses by Linear and Nonlinear Methods
Publication: Journal of the Geotechnical Engineering Division
Volume 101, Issue 9
Abstract
A nonlinear incremental loading finite element analysis is the best currently available method for calculating the static stresses in earth embankments, and is virtually the only available method for calculating static deformations. However, if deformations are not required, the static stresses may be calculated by a simpler gravity-turn-on linear elastic finite element analysis. Examples are presented of four dams, each with several different loading conditions, in which stresses were calculated by linear and by nonlinear finite element procedures. The results from both methods were in close agreement. The calculated stresses were virtually independent of the Young's modulus parameters, except within the narrow cores of zone dams. The horizontal shear and normal stresses were strongly influenced by the selected values of Poisson's ratio. However, if consistent values were used, the linear and the nonlinear analyses gave almost identical results. Recognition of the reliability of linear methods can lead to substantial savings.
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Published In
Journal of the Geotechnical Engineering Division
Volume 101 • Issue 9 • September 1975
Pages: 871 - 887
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Sep 1975
Published online: Feb 10, 2021
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Authors
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Kenneth L. Lee, M.ASCE
Assoc. Prof., School of Engrg. and Applied Sci., Univ. of California at Los Angeles, Los Angeles, Calif
Izzat M. Idriss, M.ASCE
Prin., Woodward-Clyde Consultants, Oakland, Calif
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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.