Fig. 1. Case of uplift and settlement in soft ground
Fig. 2. Scheme of Yamanouchi method to calculate bearing capacity with geotextile tensile strength (Yamanouchi, 1985)
Fig. 3. Scheme of Meyerhof method to consider inhomogeneous layer in soft soil (Meyerhof, 1974)
Fig. 4. Boundary condition for stress increment in finite element analysis
Fig. 5. Vertical strain by overburden load
Fig. 6. Enlarged figure of Fig. 5 for stress
Fig. 7. Stress increment by overburden load (without geotextile mat)
Fig. 9. Stress increment by overburden load (inertia moment of geotextile mat = 20,000 m4)
Fig. 8. Stress increment by overburden load (inertia moment of geotextile mat = 10,000 m4)
Fig. 10. Stress increment by overburden load (inertia moment of geotextile mat = 40,000 m4)
Fig. 11. Variation of stress increment by overburden load
Table 1. Punching shear factors with the soil friction angle (Meyerhof, 1974)
Table 2. Geotextile Fabric Comparison (Gerard, 1994)
Table 3. Physical parameters of materials
References
- An, B.-W., Lim, D.-Y., Lee, K.-Y., Chung, C.-G. and Jeon, H.-Y. (2009) "Interpretation of Geogrids Junction and Tensile Behaviors by Finite Element Analysis", Textile Science and Engineering, Vol.46, No.4, pp.239-244.
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- Yuu, J., Oh, Y.-I. and Jeon, H.-Y. (2008), "A Comprehensivie Consideration on the Seam Strength of Geotextile Tubes: (2) Basics of the Stitching Seam", Korean Geosynthetics Society, Vol.2008, No.4, pp.215-210.
- Jeon, H. Y., Yuu, J. J. and Chang, Y. C. (2008), "Seaming Behaviors Interpretation of Geotextile Tube", Fall Geotechnical Engineering Conference, Vol 2008, pp.1593-1603.
- Gerard P.T.M. and van Santvoort (1994), "Geotextiles and Geomembranes in Civil Engineering", revised edition, A.A. Balkema, Rosmalen, Netherlands.
- GeoStudio (2016), User manual of Slope/W and Sigma/W, Calgary, Canada.
- Leshchinsky, D. (2004), "Design software for soft soils," Geotechnical Fabrics Report, March, Vol.22, Number 2, pp.18-23.
- Meyerhof, G. G. (1974), "Ultimate Bearing Capacity of Footings on Sand Layer Overlying Clay", Canadian Geotechnical Journal, Vol.11, No.2, pp.224-229.
- Yamanouchi, T. (1985), "Recent development in the used synthetic geofabrics and geogrids," Symposium on Recent Developments in Ground improvement techniques, Bangkok, pp.205-224.