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Experimental research on influence of consolidation ratio on dynamic characteristics of lime-treated soil

BAI Hao,KONG Ling-wei(State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071,China)  
Based on the uneven consolidated condition,the lime-treated expansive soil is studied,the influences of different consolidation ratios and deviator stresses are considered.Through dynamic triaxial test,dynamic characteristics of 3 % lime-treated expansive soil under 6 selected consolidation ratios are studied;the impacts of various consolidation ratios and deviator stresses on it are concluded.In the range of analyzed consolidation ratio,the dynamic modulus of lime-treated soil increases markedly as long as consolidation ratio and deviator stress increase.The damping ratio is influenced by consolidation ratio as well;but the impact on damping ratio is less than that on dynamic modulus.
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