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梯度饱和土瞬态响应分析

周凤玺 赖远明

周凤玺, 赖远明. 梯度饱和土瞬态响应分析[J]. 力学学报, 2012, 44(5): 943-947. doi: 10.6052/0459-1879-12-003
引用本文: 周凤玺, 赖远明. 梯度饱和土瞬态响应分析[J]. 力学学报, 2012, 44(5): 943-947. doi: 10.6052/0459-1879-12-003
Zhou Fengxi, Lai Yuanming. TRANSIENT DYNAMIC ANALYSIS OF GRADIENT FLUID-SATURATED SOIL[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(5): 943-947. doi: 10.6052/0459-1879-12-003
Citation: Zhou Fengxi, Lai Yuanming. TRANSIENT DYNAMIC ANALYSIS OF GRADIENT FLUID-SATURATED SOIL[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(5): 943-947. doi: 10.6052/0459-1879-12-003

梯度饱和土瞬态响应分析

doi: 10.6052/0459-1879-12-003
基金项目: 国家自然科学基金(11162008),甘肃省高等学校基本科研业务费专项(1104ZTC140)和甘肃省教育厅研究生导师基金(1103-07)资助 项目.
详细信息
    通讯作者:

    周凤玺

  • 中图分类号: TU45,O343.7

TRANSIENT DYNAMIC ANALYSIS OF GRADIENT FLUID-SATURATED SOIL

Funds: The project was supported by the the National Natural Science Foundation of China (11162008),the Fundamental Research Funds for the Gansu Universities(1104ZTC140) and the Fund of Department of Education of China for Master's Tutor(1103-07).
  • 摘要: 基于Biot多孔介质理论,建立了饱和土体在动载荷作用下的一维回传射线矩阵法的计算列式,其中考虑了土体的非均匀性、惯性、黏滞以及固体颗粒和流体的可压缩性.利用计算结果与已有结果相比较,二者相吻合,验证了算法的正确性.作为数值算例,考虑饱和土的物理力学性质沿深度方向按幂函数连续变化,利用数值Laplace逆变换求解了在冲击性载荷作用下的位移,应力和孔隙压力等物理量的瞬态响应,重点分析讨论了材料非均匀性对饱和土介质动力特性的影响.

     

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出版历程
  • 收稿日期:  2012-01-04
  • 修回日期:  2012-04-16
  • 刊出日期:  2012-09-18

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