5Robert M. Koemer. Emerging and Future Development of Selected Geosynthetic Applications [ R ]. The 32^nd Terzaghi Lecture, Journal of Geotechnical and Geoenvironmental Engineering, April. 2000.
6Bathurst, R. J. , Crowe, R. E.. Recent case histories of flexible retaining walls in Noreth American [ R ]. Recent ease histories of permanent geosynthetic-reinforeed soil retaining walls, 1994:3 -19.
8Hufenus, R. , et al. Full-scale field tests on geosynthetic reinforced unpaved roads on soft subgrade [ J ]. Geotextiles and Geomembranes, 2006 (24) : 21 -37.
