Proceedings of the Korean Geotechical Society Conference (한국지반공학회:학술대회논문집)
- 2005.03a
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- Pages.838-845
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- 2005
Surcharge Loading Effects on Slopes Using Finite Element Analysis
유한요소해석을 통한 사면 상재하중 영향 연구
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Jeon, Sang-Soo
(Dept. of Civil Eng., Inje University)
;
- Lee, Choong-Ho (Hyein E&C Co. Ltd.) ;
- Pham, Nguyen Quoc (Institute for Transport Science and Technology, Vietnam) ;
- Oh, Mi-Hee (Highway & Transportation Technology Institute, Korea Highway Corporation) ;
- Kim, Doo-Seop (Highway & Transportation Technology Institute, Korea Highway Corporation) ;
- Kang, Sang-Wook (Hyein E&C Co. Ltd.)
- Published : 2005.03.25
Abstract
Slope stability analyses have been carried out to investigate surcharge loading effects. Finite Element Analysis (FEA) involves the stress-strain behaviour of soils achieving reasonably accurate and useful results of slope stability analysis. Therefore, in this study, one of well known FEA programs, SIGMA/W, has been used to do slope stability analyses with respect to various upper slope angles and surcharge loadings. Factor of Safety(FS) exponentially decreases and significantly good correlation with the increased slope angle for upper slopes. As the surcharge loading increases from 10 t/m to 90 t/m for nail-reinforced slopes, the FS in fully saturated condition decreases from 42% to 47% and from 17% to 25% for relatively low and high strength of soils, respectively, than in dry condition.