Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Analytical Consideration on the Creep-Limited Strain of Geogrids

지오그리드의 크리프 한계 변형률에 관한 해석학적 고찰

  • Jeon Han-Yong (Division of Nano-Systems Engineering, Inha University) ;
  • Chung Youn-In (Department of Civil Engineering, Keimyung University)
  • 전한용 (인하대학교 나노시스템공학부) ;
  • 정연인 (계명대학교 토목공학과)
  • Published : 2006.06.01
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Abstract

New procedure for the evaluation of creep reduction factor using performance limit strain concept was introduced and confirmed through the creep test results. To determine the performance limit strain of the textile geogrid used in this study, the Sherby-Dorn Plots were applied and the results were compared with the results that applied existed limit strain criteria (GRI test method GG-4). The creep-limited strain of the geogrid samples that was deter-mined by using the Sherby-Dorm Plots was all 11%. This value is higher than the existing creep-limited stran value of 10%. From this 11% limit strain, the creep reduction factors were calculated at 100,000 hours design. It resulted in 1.45 for all of the geogrid samples (8 t/m, 10 t/m). Finally, when it was compared with the creep reduction factors using 10% criteria, there was slight decrease in reduction factor values of about $0.06{\sim}0.14$.

Keywords

References

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