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Application of constitutive model to predict the behavior of EPS-geofoam

  • Geotechnical Engineering
  • Published:
KSCE Journal of Civil Engineering Aims and scope

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Abstract

EPS (Expanded Polystyrene)-geofoam, a super light weight material, has the unit weight of 20–30 kg/m3 and is used as one of the methods acquiring the safety for settlement and bearing capacity. There are a few constitutive models for the selection of the EPS-geofoam fill which is essential to the determination of the fill configuration and the settlement calculation. However, it is difficult to determine the parameters of its model. In this paper, therefore, a practical nonlinear constitutive model developed from the results of drained triaxial compression tests was proposed. The proposed nonlinear numerical constitutive model was applied to a large scale model test and to a field construction in Japan. The predictions agree well with the measurements.

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Authors and Affiliations

  1. Dept. of Civil Engrg. of Hanyang Univ., Seoul, Korea

    Byung-Sik Chun (Member. Professor) & Young-Wan Shin (Member, Graduate Student)

  2. Office of Korea National Housing Co., Korea

    Hae-Sik Lim (Member, Senior Researcher)

Authors
  1. Byung-Sik Chun
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  2. Hae-Sik Lim
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  3. Young-Wan Shin
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Corresponding author

Correspondence to Byung-Sik Chun.

Additional information

The manuscript for this paper was submitted for review on November 2, 2000.

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Chun, BS., Lim, HS. & Shin, YW. Application of constitutive model to predict the behavior of EPS-geofoam. KSCE J Civ Eng 5, 175–183 (2001). https://doi.org/10.1007/BF02829073

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  • DOI: https://doi.org/10.1007/BF02829073

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