Seepage through earth dam with clay core and toe drain: the Casagrande–Numerov analytical legacy revisited

A. R. Kacimov*, A. Al-Maktoumi, Yu V. Obnosov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Seepage through a zoned earth-filled dam with a vertical clay core, two permeable shoulders and toe drain are studied. Seepage through the core and the downstream shoulder are coupled. The flow rate and phreatic surface are found. The hodograph method is used, viz. a conformal mapping of a rectangle in the complex potential plane onto a circular triangle. Numerically, MODFLOW 2005 simulated seepage with the refraction of the streamlines at the interfaces between the core and both shoulders.

Original languageEnglish
Pages (from-to)264-272
Number of pages9
JournalISH Journal of Hydraulic Engineering
Volume27
Issue numberS1
DOIs
Publication statusPublished - 2021

Keywords

  • Complex potential-hodograph method
  • MODFLOW numerical simulations
  • phreatic surface–refraction

ASJC Scopus subject areas

  • Environmental Engineering
  • Civil and Structural Engineering
  • Water Science and Technology
  • Fluid Flow and Transfer Processes

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