孔压静力触探(CPTU)确定地基土压缩模量方法研究

姬付全 经绯 刘志彬 居俊

姬付全, 经绯, 刘志彬, 居俊. 2011: 孔压静力触探(CPTU)确定地基土压缩模量方法研究. 工程地质学报, 19(6): 882-886.
引用本文: 姬付全, 经绯, 刘志彬, 居俊. 2011: 孔压静力触探(CPTU)确定地基土压缩模量方法研究. 工程地质学报, 19(6): 882-886.
JI Fuquan, JING Fei, LIU Zhibin, JU Jun. 2011: DETERMINATION OF COMPRESSIVE MODULUS FOR FOUNDATION SOILS FROM THE PIEZOCONE PENETRATION TEST(CPTU). JOURNAL OF ENGINEERING GEOLOGY, 19(6): 882-886.
Citation: JI Fuquan, JING Fei, LIU Zhibin, JU Jun. 2011: DETERMINATION OF COMPRESSIVE MODULUS FOR FOUNDATION SOILS FROM THE PIEZOCONE PENETRATION TEST(CPTU). JOURNAL OF ENGINEERING GEOLOGY, 19(6): 882-886.

孔压静力触探(CPTU)确定地基土压缩模量方法研究

基金项目: 

江苏省交通厅资助项目(09Y33)

详细信息
    作者简介:

    姬付全,主要从事地基处理与现代原位测试技术研究.Email: jifuquan_geo@163.com

  • 中图分类号: U442.2

DETERMINATION OF COMPRESSIVE MODULUS FOR FOUNDATION SOILS FROM THE PIEZOCONE PENETRATION TEST(CPTU)

  • 摘要: 基于最小二乘法求解超定方程组原理,通过参数反分析,探讨了多层地基条件下,结合地基沉降资料,利用CPTU原位测试技术快速确定地基土压缩模量的方法研究,以求按照土层获得不同的压缩模量与锥尖阻力的经验系数。并结合崇启大桥北接线工程的CPTU试验进行了实例计算。结果表明:CPTU计算压缩模量是室内试验的2倍,与其他原位试验结果相近。若采用该方法为实际工程提供设计压缩模量值效果会更好。
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出版历程
  • 收稿日期:  2010-10-30
  • 修回日期:  2011-05-08
  • 刊出日期:  2011-12-25

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