Numerical Analysis of Geogrid Effects on Geogrid-Reinforced Slope

보강사면에서의 지오그리드의 강화 효과에 대한 수치적 해석

  • Yoo, Se-Eun (Department of Textile Engineering, Inha University Graduate School) ;
  • Kim, Seong-Young (Department of Textile Engineering, Inha University Graduate School) ;
  • Jeong, Yoo-Jin (Department of Textile Engineering, Inha University Graduate School) ;
  • Ko, Eun-Hee (Department of Textile Engineering, Inha University Graduate School) ;
  • Jeon, Han-Yong (Division of Nano-Systems Engineering, Inha University)
  • 유세은 (인하대학교 대학원 섬유공학과) ;
  • 김성용 (인하대학교 대학원 섬유공학과) ;
  • 정유진 (인하대학교 대학원 섬유공학과) ;
  • 고은희 (인하대학교 대학원 섬유공학과) ;
  • 전한용 (인하대학교 나노시스템공학부)
  • Received : 2010.10.03
  • Accepted : 2010.12.01
  • Published : 2010.12.31

Abstract

In this study, the result of measurements a geogrid-reinforced slope and the simulation result using the finite element analysis program Visual FEA/Edu were compared for verifying the validity of the finite element analysis model that was used. A reinforced slope was formed as a finite element mesh and the soil and geogrids physical properties were assigned. The actual settlement of the reinforced slope and finite element analysis results from the contour image showed similar aspects. When the finite element mesh was correctly formed and the exact physical properties of the target were assigned, it was supposed that the results of analysis were reliable. By simulating the field condition before construction, we can dtermine what kind of geosynthetics are reasonable for designing and installation in the field.

Keywords

References

  1. R. M. Koerner, "Designing with Geosynthetics", 5th Ed., Prentice Hall, Englewood Cliffs, New Jersy, USA, 2005, pp.328-395.
  2. S. K. Shulka, "Geosynthetics and Their Applications", Thomas Telford Publishing, London, UK, 2002, pp.1-54.
  3. H. Y. Jeon and G. R. Koerner, "Manufacturing and Assessment of High Performance Geosynthetic Composites for Reinforcement", Text Sci Eng, 2003, 40(3), 272-280.
  4. A. R. Horrocks and S. C. Anand, Ed., "Handbook of Technical Textiles", CRC Press LLC, NW Washington, USA, 2004, pp.358-371.
  5. R. D. Cook, D. S. Malkus, M. E. Plesha, and R. J. Witt, "Concepts and Applications of Finite Element Analysis", 4th Ed., John Wiley & Sons, Inc., Wisconsin, USA, 2002, pp.202-258.
  6. H. Y. Jeon and Y. I. Chung, "Evaluation of Long-Term Performance of Geogrids by Mechanical Model", Text Sci Eng, 2006, 43(4), 153-158.
  7. S. H. Cho, "Applications and Stability Assessment of Geogrids by Analysis of Engineering Properties", Doctoral Thesis, Chonnam National Universiy, Gwangju, 2004.
  8. Y. Huang, K. Sawada, S. Moriguchi, A. Yashima, and F. Zhang, "Numerical Assessment of the Effect of Reinforcement on the Performance of Reinforced Soil Dikes", Geotextiles and Geomembranes, 2006, 24(3), 169-174. https://doi.org/10.1016/j.geotexmem.2005.11.005
  9. K. Yamamoto and J. Otani, "Bearing Capacity and Failure Mechanism of Reinforced Foundations Based on Rigidplastic Finite Element Formulation", Geotextiles and Geomembranes, 2002, 20(6), 367-393. https://doi.org/10.1016/S0266-1144(02)00031-6
  10. Z. Cai and R. J. Bathurst, "Seismic Response Analysis of Geosynthetic Reinforced Soil Segmental Retaining Walls by Finite Element Method", Computers and Geotechnics, 1995, pp.523-546.