Pressurised flow in cracks in embankment dam cores

A major hazard to embankment dams is internal erosion and piping arising from concentrated leaks through cracks in the core due to differential settlement. Previous work (Peirson et al., 2023 ) quantified the hydraulics of flow through near-surface transverse cracks subject to near-horizontal pressu...

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Published inEuropean journal of environmental and civil engineering Vol. 29; no. 6; pp. 1076 - 1080
Main Authors Peirson, William L., Fell, Robin
Format Journal Article
LanguageEnglish
Published Taylor & Francis 26.04.2025
Subjects
dam cracking
Embankment Dams
internal erosion
piping
settlement
thin flows
Online AccessGet full text
ISSN1964-8189
2116-7214
DOI10.1080/19648189.2024.2428253

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Abstract A major hazard to embankment dams is internal erosion and piping arising from concentrated leaks through cracks in the core due to differential settlement. Previous work (Peirson et al., 2023 ) quantified the hydraulics of flow through near-surface transverse cracks subject to near-horizontal pressure gradients. This present short note extends the previous work to address pressurised flow through cracks that might occur deeper within the core. Water speeds, hydraulic shear stresses, flows are computed as a function of the applied hydraulic gradient. These results extend previous work addressing the hydraulics of very narrow cracks.
AbstractList A major hazard to embankment dams is internal erosion and piping arising from concentrated leaks through cracks in the core due to differential settlement. Previous work (Peirson et al., 2023 ) quantified the hydraulics of flow through near-surface transverse cracks subject to near-horizontal pressure gradients. This present short note extends the previous work to address pressurised flow through cracks that might occur deeper within the core. Water speeds, hydraulic shear stresses, flows are computed as a function of the applied hydraulic gradient. These results extend previous work addressing the hydraulics of very narrow cracks.
Author Fell, Robin
Peirson, William L.
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Cites_doi 10.1080/19648189.2022.2081993
10.1016/j.conbuildmat.2012.04.043
10.1007/978-3-662-52919-5_17
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References ICOLD (International Commission on Large Dams) (e_1_3_4_4_1) 2017
e_1_3_4_2_1
Vennard J. K. (e_1_3_4_9_1) 1975
Lamb H. (e_1_3_4_5_1) 1945
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e_1_3_4_7_1
e_1_3_4_6_1
Fell R. (e_1_3_4_3_1) 2015
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– volume-title: Internal erosion of existing dams, levees, and dikes, and their foundations
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  doi: 10.1080/19648189.2022.2081993
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– volume-title: Hydrodynamics
  year: 1945
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Snippet A major hazard to embankment dams is internal erosion and piping arising from concentrated leaks through cracks in the core due to differential settlement....
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SubjectTerms dam cracking
Embankment Dams
internal erosion
piping
settlement
thin flows
Title Pressurised flow in cracks in embankment dam cores
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