A STUDY ON EXPERIMENT AND MECHANISM OF VIBRATING LIQUEFACTION IN SATURATED GRANULAR MEDIA
首发时间:2005-10-31
摘要:By the vibrating liquefaction experiment of tailings and fine-ores of iron, it is observed and noted that the change of pore water pressure when the vibrating liquefaction takes place. Based on relevant suppositions, the equation of wave propagation in saturated granular media is obtained. This paper postulates the potential vector equation and the velocity expression of three kinds of body waves under normal conditions. Utilizing the wave theory and the experimental results, the influence of three body waves on pore water pressure and granules has been analyzed in detail. This revealed the rapid increment mechanism of pore water pressure and the wave mechanism of vibrating liquefaction.
关键词: saturated granular media; wave propagation; vibrating liquefaction; liquefaction mechanism
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A STUDY ON EXPERIMENT AND MECHANISM OF VIBRATING LIQUEFACTION IN SATURATED GRANULAR MEDIA
Abstract:By the vibrating liquefaction experiment of tailings and fine-ores of iron, it is observed and noted that the change of pore water pressure when the vibrating liquefaction takes place. Based on relevant suppositions, the equation of wave propagation in saturated granular media is obtained. This paper postulates the potential vector equation and the velocity expression of three kinds of body waves under normal conditions. Utilizing the wave theory and the experimental results, the influence of three body waves on pore water pressure and granules has been analyzed in detail. This revealed the rapid increment mechanism of pore water pressure and the wave mechanism of vibrating liquefaction.
Keywords: saturated granular media wave propagation vibrating liquefaction liquefaction mechanism
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