Research on models of surface wave velocity method for determining bearing capacity of cobble soil foundation

HOU Lan-jie; CHEN Xing-zhang; CHEN Hui; CUI Chun-long

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Research on models of surface wave velocity method for determining bearing capacity of cobble soil foundation

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- Research on models of surface wave velocity method for determining bearing capacity of cobble soil foundation
- Vol. 29, Issue 9, (2008)
- 作者机构：
  
  西南科技大学环境与资源学院,四川,绵阳,621010
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
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HOU Lan-jie, CHEN Xing-zhang, CHEN Hui, et al. Research on models of surface wave velocity method for determining bearing capacity of cobble soil foundation[J]. 2008, 29(9).
DOI：

HOU Lan-jie, CHEN Xing-zhang, CHEN Hui, et al. Research on models of surface wave velocity method for determining bearing capacity of cobble soil foundation[J]. 2008, 29(9). DOI：

摘要

利用统计学的原理，对卵石土地基动力触探击数和剪切波速的关系进行了研究，推导了它们之间的二次多项式、幂函数和指数函数回归方程。通过对比研究发现，二者之间具有良好的指数函数相关关系。为了验证该指数函数回归模型的可行性，选择了相似场地进行面波检测试验，试验结果与勘探结果完全吻合。研究结果表明，应用表面波法不但可以进行卵石土地基分层，而且还可以定量地评价其地基承载力。

Abstract

The correlation between blow counts of dynamic penetration tests and shear wave velocities is researched by analyzing abundant numerical statement in cobble soils. The regression equations of quadratic polynomial

exponential function and power function are derived

of which the exponential function regression equation is more suitable for the correlation. The feasibility of the exponential regression model is verified by the results of surface wave testing and dynamic penetration testing in a similar site. It is shown that the surface wave velocity method can be used to not only determine the ground conditions

but also quantitatively evaluate its bearing capacity.

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