Stochastic analysis of free surface flow through earth dams

Ashraf A. Ahmed

    Research output: Contribution to journalArticlepeer-review

    34 Citations (Scopus)


    This research investigated the unconfined flow through dams. The hydraulic conductivity was modeled as spatially random field following lognormal distribution. Results showed that the seepage flow produced from the stochastic solution was smaller than its deterministic value. In addition, the free surface was observed to exit at a point lower than that obtained from the deterministic solution. When the hydraulic conductivity was strongly correlated in the horizontal direction than the vertical direction, the flow through the dam has markedly increased. It is suggested that it may not be necessary to construct a core in dams made from soils that exhibit high degree of variability.
    Original languageEnglish
    Pages (from-to)1186-1190
    Number of pages5
    JournalComputers and Geotechnics
    Issue number7
    Publication statusPublished - Sep 2009

    ASJC Scopus subject areas

    • Computer Science Applications
    • Geotechnical Engineering and Engineering Geology

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