Numerical modelling of vertical stress distribution in PLAXIS

摘要：

Different models based on the Finite Element Method have been proposed to calculate soil compaction intensity as a function of stresses and soil properties.It is difficult to estimate an inhomogcneous vertical stress distribution at the soil surface when modelling soil compaction due to traffic.A beam was introduced at the soil surface and loaded with a uniform stress to replace the action of a wheel.Different shapes of vertical stress distribution could be obtained numerically at the soil surface by van ing the flexural rigidity of the introduced beam.Simulations of bulk density using PLAXIS were then compared to measurement data from wheeling tests on a loamy soil.The results show that simulations are improved when using the simulated vertical stress distribution instead of a homogenous one.

关键词： simulated vertical stress distribution wheeling test bulk density simulation

作者: Cui Kai Li Peng Lan Jian-qing

作者单位: School of Civil Engineering Southwest Jiaotong University Chengdu,China

会议类型: 国际会议

会议名称: 2011 3rd International Conference on Computer and Network Technology(ICCNT 2011)(2011第三届IEEE计算机与网络技术国际会议)

会议地点: 太原

会议语种:英文

页码: 107-109

在线出版日期: 2011-02-26（万方平台首次上网日期，不代表论文的发表时间）