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Compression Creep Behavior of Geofoam Using the Stepped Isothermal Method

Hsuan, Y. G. / Yeo, S. / Koerner, R. M.

In this paper, the compressive creep behavior of an expanded polystyrene (EPS) geofoam was investigated by an accelerated creep test called the stepped isothermal method (SIM). In addition, the temperature effect on the compressive strength was evaluated. The data showed that at 44°C the slope of strength versus temperature changed rather abruptly. The results of such change led to a significant increase in the creep rate. Based on the current data, the applicability of SIM on EPS geofoam is uncertain and further investigation is recommended.

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Compression Creep Behavior of Geofoam Using the Stepped Isothermal Method

Hsuan, Y. G. / Yeo, S. / Koerner, R. M.

In this paper, the compressive creep behavior of an expanded polystyrene (EPS) geofoam was investigated by an accelerated creep test called the stepped isothermal method (SIM). In addition, the temperature effect on the compressive strength was evaluated. The data showed that at 44°C the slope of strength versus temperature changed rather abruptly. The results of such change led to a significant increase in the creep rate. Based on the current data, the applicability of SIM on EPS geofoam is uncertain and further investigation is recommended.

Compression Creep Behavior of Geofoam Using the Stepped Isothermal Method

Hsuan, Y. G. / Yeo, S. / Koerner, R. M.

In this paper, the compressive creep behavior of an expanded polystyrene (EPS) geofoam was investigated by an accelerated creep test called the stepped isothermal method (SIM). In addition, the temperature effect on the compressive strength was evaluated. The data showed that at 44°C the slope of strength versus temperature changed rather abruptly. The results of such change led to a significant increase in the creep rate. Based on the current data, the applicability of SIM on EPS geofoam is uncertain and further investigation is recommended.

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Title:

Compression Creep Behavior of Geofoam Using the Stepped Isothermal Method

Contributors:

Hsuan, Y. G. (author) / Yeo, S. (author) / Koerner, R. M. (author)

Conference:

Geo-Frontiers Congress 2005 ; 2005 ; Austin, Texas, United States

Published in:

Geosynthetics Research and Development in Progress ; 1-5

Publication date:

2008-10-09

ISBN:

DOI:

https://doi.org/10.1061/40782(161)12

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Research , Compression , Creep , Foam , Material properties , Polyethylene , Geosynthetics

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