Due to increased land use, road or rail infrastructure is more and more frequently being built on ground that is weak or risks collapse. To avoid any damage or dis ruption (closure to traffic), reinforcements made from geotextile sheets are cur rently being studied. To understand the three-dimensional behavior of textile sheets acting as membranes under pressure, an original finite element calculation method is discussed and compared with analytical solutions in simple cases. A sizing nom ograph and some practical solutions are presented in more complex cases of rein forcement.
Get full access to this article
View all access options for this article.
References
1.
Delmas, P., Sols renforcés par géotextiles-Premières études, Doctoral thesis, Université Joseph Fourier, 1979.
2.
Dhatt, G., and Touzot, G., "Une présentation de la méthode des éléments finis," 2nd ed., Collection Université de Compiègne , Maloine S.A., 1984.
Giroud, J.P. , et al., Design of Soil Layer-Geosynthetic Systems Overlying Voids, Geotextiles Geomembranes9 (1), 11-50 (1990).
5.
Giroud, J.P. , Technical Note: Determination of Geosynthetic Strain Due to Deflection, Geosynthetics Int.2 (3), 635-641 (1995).
6.
Gourc, J.P., et al., Bearing Capacity of a Sand-soft Subgrade System with Geotextile , in "Proc. Second Int. Conf. on Geotextiles," Las Vegas, 1982, pp. 411-416.
7.
Kempton, T., and Jones, J.F.P., The Use of High Strength Link Geotextiles Over Piles and Voids, in "Earth Reinforcement Practice," Ochiani , Hayashi, and Otani, Eds., Balkema, 1982, pp. 613-618.
8.
Perrier, H., Sols Bicouches Renforcés par Géotextile, Research report LPC no. 125, 100 pp., 1983.
9.
Shukla, S.K. , Discussion of: Determination of Geosynthetic Strain Due to Deflection, Geosynthetics Int.3 (1), 141-144 (1996).
10.
Wang, M.C., et al., Stability of Geosynthetic-Reinforcement Soil Above a Cavity , Geotextiles Geomembranes14 (2), 95-109 (1996).
11.
Zienkiewick, O.C., "The Finite Element Method," 3rd ed., Mc Graw-Hill, NY, 1977.
