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Practical Soil-Shallow Foundation Model for Nonlinear Structural Analysis

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  • Moussa Leblouba
  • Salah Al Toubat
  • Muhammad Ekhlasur Rahman
  • Omer Mugheida

Abstract

Soil-shallow foundation interaction models that are incorporated into most structural analysis programs generally lack accuracy and efficiency or neglect some aspects of foundation behavior. For instance, soil-shallow foundation systems have been observed to show both small and large loops under increasing amplitude load reversals. This paper presents a practical macroelement model for soil-shallow foundation system and its stability under simultaneous horizontal and vertical loads. The model comprises three spring elements: nonlinear horizontal, nonlinear rotational, and linear vertical springs. The proposed macroelement model was verified using experimental test results from large-scale model foundations subjected to small and large cyclic loading cases.

Suggested Citation

  • Moussa Leblouba & Salah Al Toubat & Muhammad Ekhlasur Rahman & Omer Mugheida, 2016. "Practical Soil-Shallow Foundation Model for Nonlinear Structural Analysis," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-10, August.
    • Handle: RePEc:hin:jnlmpe:4514152
    DOI: 10.1155/2016/4514152
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