3Verdugo R, Ishihara K. The steady state of sandy soils[J]. Soils and Foundations, 1996, 36(2): 81-91.
4Schmertmann J H. The mechanical aging of soils[J]. Journal of the Geotechnical Engineering Division, ASCE, 1991, 117(9): 1 288-1 330.
5Brown R E. Vibroflotation compaction of cohesionless soils[J].Journal of the Gcotechnical Engineering Division, ASCE, 1977,103(GT12): 1 437-1 451.
6Mitchell J K. State of the art---soil improvement[A]. In: Proc. 10th Int. Conf. on Soil Mechanics and Foundation Engineering[C].Stockholm: [s.n.], 1981, 14:509-565.
7Sloclmbe B C, Bell A L, Baez J I. The densification of granular soils using vibro methods[J].Geotechnique, 2000, 50(6): 715-725.
8Harder L F, Hammond J, William D, et al. Vibroflotation compaction at thermalito afterbay[J]. Journal of the Geotechnical Engineering Division, ASCE, 1984, 110(1): 57-70.
