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地震液化诱发地面大位移的计算分析
Calculation and Analysis of Large Ground Displacement Induced by Seismic Liquefaction
【摘要】 根据地面大位移产生的特点 ,采用一些合理的假设 ,提出一种计算地震液化诱发地面大位移的方法 .同时 ,对影响地面大位移的可能因素进行初步的研究 .计算结果表明 ,该方法在计算地震动期间产生的地面侧移中 ,能够较真实的反映液化诱发地面大位移的物理机制 ,揭示地面大位移产生的规律 .计算结果与宏观震害现象相吻合 .
【Abstract】 Based on the characteristic of the emergence of large ground displacement and some reasonable hypothesis, the authors pose a method for calculation large ground displacement induced by seismic liquefaction and make an initial study on its possible influencing factors. In calculation lateral ground displacement emerging during earthquake, this method is able to reflect fairly truthfully its physical mechanism and to reveal the regular pattern of its emergence, as shown by the reckoning which coincides with macroscopic phenomenon of seismic damage.
【关键词】 地震;
液化;
地面大位移;
侧向扩展;
【Key words】 earthquake; liquefaction; large ground displacement; lateral spread;
【Key words】 earthquake; liquefaction; large ground displacement; lateral spread;
【基金】 福建省自然科学基金资助项目 (D0 2 0 0 14)
- 【文献出处】 华侨大学学报(自然科学版) ,Journal of Huaqiao University(Natural Science) , 编辑部邮箱 ,2004年02期
- 【分类号】TU435
- 【被引频次】4
- 【下载频次】126