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砂土硬化特征的描述及其试验验证

姚仰平 周安楠 侯伟

姚仰平, 周安楠, 侯伟等 . 砂土硬化特征的描述及其试验验证[J]. 北京航空航天大学学报, 2006, 32(10): 1186-1192.
引用本文: 姚仰平, 周安楠, 侯伟等 . 砂土硬化特征的描述及其试验验证[J]. 北京航空航天大学学报, 2006, 32(10): 1186-1192.
Yao Yangping, Zhou Annan, Hou Weiet al. Description of hardening characteristics of sand and its confirmation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(10): 1186-1192. (in Chinese)
Citation: Yao Yangping, Zhou Annan, Hou Weiet al. Description of hardening characteristics of sand and its confirmation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(10): 1186-1192. (in Chinese)

砂土硬化特征的描述及其试验验证

基金项目: 国家自然科学基金资助项目(50479001, 10672010)
详细信息
    作者简介:

    姚仰平(1960-),男,陕西西安人,教授, ypyao@263.com.

  • 中图分类号: TU 431

Description of hardening characteristics of sand and its confirmation

  • 摘要: 采用不同路径下砂土的三轴拉伸和三轴压缩试验结果,分别选用塑性体积应变、塑性剪应变、清华模型硬化参数、塑性功和统一硬化参数H作为硬化参数,在以上硬化参数和应力比空间里探讨了砂土的硬化规律和应力路径相关性.基于修正剑桥模型的屈服函数,采用塑性体积应变、塑性功和H作为硬化参数,推导了分别对应的本构模型.通过饱和塔克拉玛干沙漠砂的三轴试验结果,表明了H在描述砂土应力应变特性上的适用性.

     

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出版历程
  • 收稿日期:  2006-06-08
  • 网络出版日期:  2006-10-31

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