水资源与水工程学报2017，Vol.28Issue(6)：204-208,5.DOI:10.11705/j.issn.1672-643X.2017.06.36
成层土中静力触探锥头阻力分析
Analysis of cone tip resistance in layered soil
陈刚 1黄沛1
作者信息
- 1. 上海理工大学 土木工程系,上海200093
- 折叠
摘要
Abstract
In order to investigate the variation rule of cone tip resistance along depth in layered soil, a spherical cavity expansion solution in concentrically layered soil is developed based on the classical cavity expansion theory. The influence of dilation angle and the parameters of different soil layers is considered. By comparing the cavity expansion in concentrically and horizontally layered soil, here it is assumed that when the probe is located in the interface of soil layers, the deformation of surrounding soil can be regar-ded as a spherical cavity expansion in another kind of homogeneous soil. Based on this assumption, a simple evaluation method of cone tip resistance along the depth is obtained. The results show that this method can provide a more intuitional and accurate result compared with several existing methods. In the case of two-layer soil, the estimates are close to the finite element method results, but there is a certain deviation in the case of thin-layer soil.关键词
静力触探/成层土/球孔扩张理论/锥头阻力Key words
static cone penetration/layered soil/spherical cavity expansion theory/cone tip resistance分类
建筑与水利引用本文复制引用
陈刚,黄沛..成层土中静力触探锥头阻力分析[J].水资源与水工程学报,2017,28(6):204-208,5.
