摘要
对土体内部渗流可视化研究,透明土材料可以作为的重要研究手段之一,能实现的岩土体内部渗流直接观测研究。利用透明土技术,建立双重孔隙型介质渗流物理模型,利用有限差分软件FLAC3D建立双重孔隙型介质结构三维数值分析模型,进行测量数据和数值模拟计算对比分析。模型试验结果和模拟结果表明,基于透明体的双渗透实验能实现渗流的可视化,以及FLAC3D数值模拟结果与实验所测的流速曲线拟合良好。
Transparent soil material can be used as one of the important means of visualization study of seepage field in soil mass and can realize direct observation study of internal deformation and spatial flow of rock mass. A physical model of double porosity medium seepage is established by means of transparent soil technology. The finite difference software FLAC3 D is used for establishing a three-dimensional numerical analysis model of double porosity medium structure. The measured data and numerical simulation calculation are compared and analyzed. The experimental results and simulation results show that the double permeability experiment based on transparent body can realize the visualization of seepage flow and that the FLAC3 D numerical simulation results fit well with the velocity curve measured in the experiment.
作者
金韦剑
朱斌
JIN Wei-jian;ZHU Bin(College of Earth Sciences,Guilin University of Technology,Guilin,Guangxi 541006)
出处
《四川地质学报》
2020年第1期103-106,共4页
Acta Geologica Sichuan
关键词
透明土
双重孔隙介质
模型试验
数值模拟
渗流
transparent soil
double porosity medium
model test
numerical simulation
seepage
