Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)
- 2008.10a
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- Pages.196-203
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- 2008
Accelerated Tensile Creep Test Method of Geosynthetics for Soil Reinforcement
보강용 지오신세틱스의 가속 인장 크리프 시험방법
- Koo, Hyun-Jin (Reliability Assessment Center, FITI Testing & Research Institute) ;
- Cho, Hang-Won (Reliability Assessment Center, FITI Testing & Research Institute)
- Published : 2008.10.10
Abstract
Durability of geosynthetics for soil reinforcement is accounted for creep and creep rupture, installation damage and weathering, chemical and biological degradation. Among these, the long-term creep properties have been considered as the most important factors which are directly related to the failure of geosynthetic-reinforced soil(GRS). However, the creep test methods and strain limits are too various to compare the test results with each other. The most widely used test methods are conventional creep test, time-temperature superposition and stepped isothermal method as accelerated creep tests. Recently developed design guidelines recommend that creep-rupture curve be used to determine the creep reduction factor(
Keywords
- geosynthetics;
- long-term strength;
- accelerated creep test;
- creep reduction factor;
- stepped isothermal method