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Advances in Hydraulic and Water Resources Research, 4th Edition
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Advances in Hydraulic and Water Resources Research, 4th Edition

A Special Issue of Water (ISSN 2073-4441) belonging to the section "Hydraulics and Hydrodynamics".

Deadline for manuscript submissions: 15 March 2027 | Viewed by 1289

Editors

Prof. Dr. Majid Mohammadian

E-Mail Website
Guest Editor
Department of Civil Engineering, University of Ottawa, 161 Louis Pasteur, A114, Ottawa, ON K1N 6N5, Canada
Interests: computational fluid dynamics; turbulent mixing; outfall systems and sustainable design; numerical modeling of riverine and coastal waters; jets and plumes and environmental sustainability; sediment transport
Special Issues, Collections and Topics in MDPI journals
Dr. Xiaohui Yan

E-Mail Website
Guest Editor
Water Resources Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian，China
Interests: CFD coding; turbulence; turbulence modeling; turbulent flow; computational fluid dynamics; CFD simulation; numerical simulation; computational fluid mechanics; numerical modeling; fluent
Special Issues, Collections and Topics in MDPI journals
Dr. Hossein Kheirkhah Gildeh

E-Mail Website
Guest Editor
1. Department of Civil Engineering, University of Ottawa, 161 Louise Pasteur, Ottawa, ON K1N 6N5, Canada
2. Barr Engineering Co., 1000 7 Ave SW #450, Calgary, AB T2P 5L5, Canada
Interests: environmental fluid mechanic; river engineering; coastal engineering; computational fluid dynamics (CFD); effluent discharge; near-field and far-field mixing; dam breach analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Hydraulic engineering methods can be applied to a wide range of research problems, including coastal engineering, river engineering and lake modeling. This Special Issue aims to present numerical, field and laboratory studies related to the topics mentioned above. The scope of this Special Issue includes, but is not limited to, the following topics: sediment transport, waves, the transport of pollutants, hydraulic structures, coastal structures, coastal erosion, coastal flow simulation, dam breach analysis, mine water management, stream restoration and lake modeling.

Prof. Dr. Majid Mohammadian
Dr. Xiaohui Yan
Dr. Hossein Kheirkhah Gildeh
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • modeling
  • lab studies
  • field studies
  • coastal engineering
  • river engineering
  • lakes

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Published Papers (1 paper)

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Research

23 pages, 2811 KB  
Article
Physical Modeling of Seepage Control Using Upstream Blanket and Cutoff in Earth Dams: A Hele–Shaw Experimental Study
by Ahmed M. Abdelrazek, Mohamed A. Hafez, Abdulrahman Mohammed and Mohammed A. Abourohiem
Water 2026, 18(8), 989; https://doi.org/10.3390/w18080989 - 21 Apr 2026
Cited by 1 | Viewed by 836
Abstract
Seepage beneath earth dams founded on pervious strata can cause excessive under-seepage, elevated downstream exit gradients, and high phreatic levels, thereby increasing susceptibility to internal erosion and piping. This study presents a Hele–Shaw laboratory investigation of seepage-control efficiency for an upstream impervious blanket [...] Read more.
Seepage beneath earth dams founded on pervious strata can cause excessive under-seepage, elevated downstream exit gradients, and high phreatic levels, thereby increasing susceptibility to internal erosion and piping. This study presents a Hele–Shaw laboratory investigation of seepage-control efficiency for an upstream impervious blanket used alone and in combination with a vertical cutoff (blanket–cutoff system). The experimental geometry reproduces a zoned earth dam cross-section at a scale of 1:200. Five foundation thickness ratios (T/B=0.184–1.00) were tested. For the blanket-only system, four blanket length ratios (Lb/B=0.50–1.25) were examined. For the blanket–cutoff system, cutoff depth ratios (S/T=0.20–0.80) were investigated using (i) a representative blanket length Lb/B=0.75 across all foundation depths and (ii) a deep-foundation case T/B=1.00 across all blanket lengths. Seepage discharge, head loss due to seepage-control measures, maximum exit gradient at the downstream toe, and phreatic line location were measured at steady state and expressed in dimensionless form using the equivalent Hele–Shaw hydraulic conductivity. Relative to the no-measure reference case, the upstream blanket reduced dimensionless discharge by 20.8–70.2%, reduced the exit-gradient indicator by 6.4–50.2%, and reduced the downstream seepage-surface height by 58.9–92.8%. Adding a vertical cutoff provided further reductions relative to the blanket-only configuration, up to 34.4% in discharge and to 29.8% in exit-gradient indicator at Lb/B=0.75—while increasing head loss across the upstream control system. Regression-based correlations and main-text design maps are proposed for preliminary sizing. The proposed correlations and design maps are intended for screening-level use only within the tested ranges 0.18 ≤ T/B ≤ 1.00, 0.50 ≤ Lb/B ≤ 1.25, and 0.20 ≤ S/T ≤ 0.80. Because the Hele–Shaw model is a two-dimensional viscous-flow analog of saturated seepage, the results provide a physical basis for relative comparison of seepage-control measures rather than a direct substitute for site-specific analysis of heterogeneous three-dimensional foundations. Accordingly, the agreement discussed in this paper is qualitative and trend-based, and the proposed tools are intended to complement rather than replace quantitative FEM for site-specific design. Full article
(This article belongs to the Special Issue Advances in Hydraulic and Water Resources Research, 4th Edition)
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