基于光弹测试技术的颗粒材料细观变形试验研究

郑虎

郑虎. 2014: 基于光弹测试技术的颗粒材料细观变形试验研究. 工程地质学报, 22(5): 851-854. doi: 10.13544/j.cnki.jeg.2014.05.12
引用本文: 郑虎. 2014: 基于光弹测试技术的颗粒材料细观变形试验研究. 工程地质学报, 22(5): 851-854. doi: 10.13544/j.cnki.jeg.2014.05.12
ZHENG Hu. 2014: EXPERIMENTAL STUDY ON DEFORMATION OF GEO-GRANULAR MATERIALS BASED ON PHOTOELASTIC TECHNIQUES. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 851-854. doi: 10.13544/j.cnki.jeg.2014.05.12
Citation: ZHENG Hu. 2014: EXPERIMENTAL STUDY ON DEFORMATION OF GEO-GRANULAR MATERIALS BASED ON PHOTOELASTIC TECHNIQUES. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 851-854. doi: 10.13544/j.cnki.jeg.2014.05.12

基于光弹测试技术的颗粒材料细观变形试验研究

doi: 10.13544/j.cnki.jeg.2014.05.12
基金项目: 

江苏省自然科学基金青年基金(BK20140845)资助

详细信息
    作者简介:

    郑虎,男,博士,讲师,工程地质专业. Email: zhenghu@hhu.edu.cn

  • 中图分类号: P642.3

EXPERIMENTAL STUDY ON DEFORMATION OF GEO-GRANULAR MATERIALS BASED ON PHOTOELASTIC TECHNIQUES

  • 摘要: 针对颗粒材料剪切变形的细观尺度研究,介绍了基于密度匹配原理的颗粒实现完全移除底部摩擦力的光弹试验技术。通过对密实度为82%的光弹颗粒系统进行直剪变形研究,研究结果表明颗粒系统在直剪试验过程中,力链的主方向即主应力方向沿着剪切室短对角线方向发展,并贯穿于整个颗粒系统后在剪切室的边界处达到应力平衡; 而颗粒系统中各颗粒的位移场在归一化后表现出很好沿剪切室中轴的对称性。
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出版历程
  • 收稿日期:  2014-06-04
  • 修回日期:  2014-07-20
  • 刊出日期:  2014-10-25

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