在动荷载作用下饱和砂土的液化及其强度 English Version
Liquefaction and Strength of Saturated Sand During Cyclic Loading
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摘要: 本文应用惯性力式双向振动三轴仪模拟了工程上常见的三种应力状态,对饱和砂土进行液化试验,求出孔隙水压力、动强度等一系列指标,供工程的抗震稳定分析参考和应用。此外,还对动孔隙水压力过程线的波峰中出现的“凹槽”进行了分析和解释。Abstract: In this paper the indexes of pore water pressure and dynamic strength of saturated sand are carried out under various stress conditions by applying double-action cyclic triaxial test system. These results can be used as a reference in the stabilily analysis of saturated sand foundations and slopes against earth-quake. Moreover, the V-phenomena in the wave peak of the time history of pore water pressure by the characteristic of volume swelling of dense sand under shearing stress are investigated.
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