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author:

阙云 (阙云.) [1] (Scholars:阙云) | 翁斌 (翁斌.) [2] | 蔡松林 (蔡松林.) [3] | Liu Jinyuan (Liu Jinyuan.) [4]

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PKU CSCD

Abstract:

为实现土的非饱和优先流迁移可视化,设计立柱装置进行非饱和渗流试验,采用透明土与数字图像处理技术,建立归一化像素强度与透明土饱和度的关系,在此基础上,通过室内模型试验,研究优先流路径连通性与相邻优先流路径旋转角对非饱和土优先流迁移的影响。试验结果表明:基于图像灰度像素强度表征非饱和透明土饱和度方法可行;全连通优先流(O-O型)与上连通优先流(O-C型)剖面呈现“T”型,中心轴剖面饱和度与边缘差异明显,下连通优先流路径(C-O型)中土体油压与基质势不足以使流体进入优先流路径形成优先流,入渗变化与均匀流一致,O-C型优先流的稳定入渗率和湿润锋推移速度分别为C-O型的1.5倍和1.4倍;相邻O-C型优...

Keyword:

归一化像素强度 湿润锋 透明土 非饱和优先流 饱和度

Community:

  • [ 1 ] 福州大学土木工程学院
  • [ 2 ] Department of Civil Engineering, Ryerson University

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Source :

岩土力学

ISSN: 1000-7598

CN: 42-1199/O3

Year: 2022

Issue: 04

Page: 1-12

1 . 5

JCR@2022

1 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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