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《Industrial Construction》 2007-09
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EXPERIMENTS AND ANALYSIS OF INFLUENCE ON VIBRATORY LOAD TO SHEAR STRENGTH OF RED CLAY IN XIAMEN

Hu Hua Gu Hengxing Yu Dengrong(Department of Civil Engineering,Xiamen University Xiamen 361005)  
Triaxial shear tests are done before and after vibratory load actings,and the testing samples are the red clay in Xiamen.The effects of vibratory loading on sample's cohesive force,internal friction angle,shear strength equation and the ability to resist side distortion etc are studied by analyzing test data.After vibratory load actings, the cohesive strength index and internal friction angle of the sample are decreased by 51.72% and 50% respectively;and the shear strength curve shifts down obviously under same testing conditions.The results show that vibratory load acting is disadvantage to stabilization and bearing capacity of red clay.The research conclusions have theoretic and practical significance for us to prevent geotechnical engineering disasters and geologic disasters.
【Fund】: 国家自然科学基金资助项目(50678155)
【CateGory Index】: TU446
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