ISSN 1000-3665
CN 11-2202/P
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Home
Contribution Guide
About Journal
Submission Guidelines
Subscription Notice
Journal News
Editorial Board
Journal Online
Online First
Current Articles
Archive
Most Download
Top View
Top Cited
Advanced Search
Ethics Statement
Open Access Policies
Author Field
中文
LIUZhenghong, . 安哥拉Quelo砂场地非饱和渗流试验与计算[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 74-79. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.12
Citation:
LIUZhenghong, . 安哥拉Quelo砂场地非饱和渗流试验与计算[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 74-79. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.12
LIUZhenghong, . 安哥拉Quelo砂场地非饱和渗流试验与计算[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 74-79. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.12
Citation:
LIUZhenghong, . 安哥拉Quelo砂场地非饱和渗流试验与计算[J]. Hydrogeology & Engineering Geology, 2018, 45(4): 74-79. DOI: 10.16030/j.cnki.issn.1000-3665.2018.04.12
安哥拉Quelo砂场地非饱和渗流试验与计算
LIUZhenghong
,
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在安哥拉某Quelo砂土场地开展了现场试坑浸水试验,实测了水在地基土中的渗透和消散过程;通过室内测试得到砂土的主要物理参数,采用改进的Kovács粒径方法估计土-水特征曲线,Van Genuchen模型估算渗透系数曲线,数值模拟了与现场试验情况相同的水渗透和消散过程;对比了实测结果和数值计算结果的异同。研究结果表明浸水条件下自由水面之下的砂土远未达到完全饱和,数值计算结果虽能较好反映浸水渗透的宏观规律以及停水后水的消散过程,但要较准确预测水的浸润范围,需要建立经验的“饱和体积含水率”取值方法,本砂土场地“饱和体积含水率”取对应饱和度65%的体积含水率较为适宜。
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