7ALLAM M M, SRIDHARAN A. Effect of wetting and drying on shear strength [-J-]. Journal of the Geoteehnical Engineering Pivision, 1981, 107 ( 4 ) : 421-438.
8AL-HOMOUD A S,BASMA A A, MALKAWI A I H,et al. Cyclic swelling behavior of claysl-J~. Journal of Geotechnical Engineering, 1955,121 (7) : 562-565.
9DIMITROVA R S, YANFUL E K. Factors affecting the shear strength of mine tailings/clay mixtures with varying clay content and day mineralogy['J~. Engi- neering Geology, 2012,125 : 11-25.
10YONG R N,OUHADI V R. Experimental study on instability of bases on natural and lime/cement-stabi- lized clayey soils[-J~. Applied Clay Science, 2007,35 (3/4) .. 238-249.