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August 1, 2026ISH Journal of Hydraulic Engineering

Temporal evolution of culvert downstream bed Morphodynamics under full and semi submergence conditions with internal blockage: a laboratory investigation

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Authors

MSMohammad SadeghpourPersian Gulf UniversityMVMohammad VaghefiPersian Gulf UniversitySMSeyed Hamed MerajiPersian Gulf University

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Implication

Laboratory investigation demonstrates how culvert submergence affects downstream bed morphology and sedimentation.

Key Points

  • The aim is to analyze how different submersion conditions and internal blockage affect downstream bed morphology in culverts.
  • Conducted experiments in a laboratory channel using a culvert under clear water conditions.
  • Investigated changes in bed topography over time during full and semi-submersion with internal blockage.
  • Measured scour hole depth, sedimentation height, and scouring volume and area across various test durations.
  • The most significant decrease in scour hole depth occurred during full submersion.
  • The maximum sedimentation height was observed during the full-submersion test at 22.5 minutes.
  • The full-submersion test lasting 180 minutes showed the least scouring in volume and area compared to all other tests.

Cite This Study

Sadeghpour et al. (2026) studied this question.

synapsesocial.com/papers/6a6d97eae258b358b3c6ac34https://doi.org/10.1080/09715010.2026.2703257
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