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- W2034370221 abstract "본 논문에서는 보강토 구조물의 장기거동에 관한 수치해석 내용을 다루었다. 본 연구는 사용연한동안 지속하중을 받는 보강토 구조물의 장기 변형 관련 메카니즘을 고찰하는데 주 목적을 두었다. 연구를 위해 먼저 Singh-Mitchell 크리프 모델과 멱함수(Power law) 크리프 모델을 이용하여 각각 뒤채움흙과 보강재의 크리프 변형을 모델링하는 방안을 구축하였으며 이를 토대로 뒤채움흙과 토목섬유 보강재의 크리프 특성에 대한 매개변수 연구를 수행하였다. 해석결과 외부하중을 받는 보강토 구조물이 세립분이 많이 포함되어 있는 흙으로 뒤채움이 될 경우 뒤채움흙과 토목섬유 보강재로부터 발생하는 크리프 효과로 인해 상당한 크기의 장기 변형이 발생할 수 있는 것으로 나타났다. 본 논문에서는 외부하중을 받는 보강토 구조물에 있어서 크리프 효과가 구조물의 사용성에 미치는 영향을 집중적으로 고찰하였다. This paper presents the results of a numerical investigation on the long-term behavior of geosynthetic reinforced soil abutment. The investigation was carried out aiming at identifying the governing mechanisms of the long-term deformation of geosynthetic-reinforced soil abutment subjected to sustained loads during service life. A numerical modeling strategy was first established using the Singh-Mitchell creep model and the power law model, respectively, for the backfill and the geosyntehtic reinforcement. A parametric study on the creep properties of the backfill and the geosynthetic reinforcement was then conducted. The results indicated that a geosynthetic reinforced soil structure backfilled with marginal soil may exhibit substantial long-term deformation due to the creep effects caused by both the backfill soil and the geosynthetic reinforcement, the magnitude of which depends largely on the creep properties. This paper highlights the importance of considering the creep effect on load supporting geosynthetic reinforced soil structures when the long-term serviceability requirement is of prime importance." @default.
- W2034370221 created "2016-06-24" @default.
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- W2034370221 date "2011-01-31" @default.
- W2034370221 modified "2023-10-14" @default.
- W2034370221 title "Long-Term Behavior of Geogrid Reinforced Soil Abutment - A Numerical Investigation" @default.
- W2034370221 cites W2029125261 @default.
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- W2034370221 doi "https://doi.org/10.7843/kgs.2011.27.1.065" @default.
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