Assessment of long-term performances of polyester geogrids by accelerated creep test

Han Yong Jeon, Seong Hun Kim, Han Kyu Yoo

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Geogrids are widely used as the reinforcement materials in geotechnical and civil engineering fields. In this study, accelerated-creep tests at elevated temperatures to predict longer-term creep behavior of polyester fabric geogrids were examined using the time-temperature superposition principle. Creep tests were generally performed to calculate the partial factor of safety during the service time of polyester geogrids and two types of geogrids, having different design strengths ranging from 8 to 15 t/m, were used in this study. The creep tests were carried out at various temperatures and loading levels of 40, 50, and 60% of short-term design strengths. Also, the creep tests were made at temperatures between 20 and 50°C to take into consideration the real environmental conditions of geogrids. The results indicated the applicability of the conventional procedures in prediction of longer time creep strain and material dependency of creep strains.

Original languageEnglish
Pages (from-to)489-495
Number of pages7
JournalPolymer Testing
Volume21
Issue number5
DOIs
StatePublished - 2002 May 28

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Polyesters
Creep
Temperature
Geotechnical engineering
Civil engineering
Reinforcement

Keywords

  • Accelerated-creep test
  • Design strength
  • Geogrids
  • Reinforcement material
  • Time-temperature superposition principle

Cite this

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Assessment of long-term performances of polyester geogrids by accelerated creep test. / Jeon, Han Yong; Kim, Seong Hun; Yoo, Han Kyu.

In: Polymer Testing, Vol. 21, No. 5, 28.05.2002, p. 489-495.

Research output: Contribution to journalArticle

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