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Deformation of overconsolidated soft clay considering initial shear stress and frequency
Author(s): WANG Jun, CAI Yuan-qiang, GAO Yu-feng
Pages: 260-
268
Year: 2010
Issue:
3
Journal: Journal of Vibration Engineering
Abstract: 通过GDS循环三轴试验系统,对循环荷载作用下杭州饱和软粘土的动应变变化规律进行了研究,分析了循环应力比、初始剪应力、振动频率及超固结比等因素对动应变的影响.研究结果表明:随着循环应力比的增加,动应变发展速度增快.循环荷载作用下饱和软粘土存在临界循环应力比,通过动应变与循环次数关系曲线也可以确定其值大小.在循环初期,应变率较大,随着循环时间的增加,应变率逐渐减小.随着循环应力比的增加,应变率增加.振...
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