动力排水固结法加固吹填黏性土的模型试验研究

王珊珊 李丽慧 胡瑞林 刘凯 魏欣

王珊珊, 李丽慧, 胡瑞林, 刘凯, 魏欣. 2010: 动力排水固结法加固吹填黏性土的模型试验研究. 工程地质学报, 18(6): 906-912.
引用本文: 王珊珊, 李丽慧, 胡瑞林, 刘凯, 魏欣. 2010: 动力排水固结法加固吹填黏性土的模型试验研究. 工程地质学报, 18(6): 906-912.
WANG Shanshan, LI Lihui, HU Ruilin, LIU Kai, WEI Xin. 2010: RESEARCH ON INDOOR EXPERIMENTAL MODEL FOR DYNAMIC CONSOLIDATION OF DREDGED CLAY. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 906-912.
Citation: WANG Shanshan, LI Lihui, HU Ruilin, LIU Kai, WEI Xin. 2010: RESEARCH ON INDOOR EXPERIMENTAL MODEL FOR DYNAMIC CONSOLIDATION OF DREDGED CLAY. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 906-912.

动力排水固结法加固吹填黏性土的模型试验研究

基金项目: 

本成果受中国地质调查局项目(编号:1212010814005)和中国科学院知识创新方向性项目(KZCX2-YW-113)资助

详细信息
    作者简介:

    王珊珊,主要从事软黏土岩土工程方面的研究.Email: shiminali@163.com

  • 中图分类号: P642.13

RESEARCH ON INDOOR EXPERIMENTAL MODEL FOR DYNAMIC CONSOLIDATION OF DREDGED CLAY

  • 摘要: 为了研究动力排水固结法加固吹填土地基的效果,研发了大比例尺的室内模拟试验装置并开展了试验。重点对夯沉量、土体内孔隙水压力的瞬时和长期变化进行了监测和分析,得到如下结论:夯击产生的能量以波的形式向土体内部传播,由于波的作用造成土体拉伸形成裂隙,这些裂隙成为初期的排水通道; 孔隙水压力的动态变化具有明显的脉动特性,夯击瞬间出现负增长,然后再累积增长; 不同深度土体的孔隙水压力增幅不一样; 土体表面铺设的砂垫层不仅可以用做排水,还可以作为静力荷载,有助于土体的排水固结。
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出版历程
  • 收稿日期:  2010-03-01
  • 修回日期:  2010-04-24
  • 刊出日期:  2010-12-25

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