Wave runup, rundown and stability analysis on berm breakwater with 20% reduced armour weight

Subba Rao, K. Subrahmanya, K. Balakrishna Rao, V. R. Chandramohan

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper presents the results of the experimental investigation of the stability, wave runup and rundown characteristics of the statically stable berm breakwater with a wide berm. Armour weight calculated using Hudson's formula for design wave height has been reduced to an extent of 20% in the present study. The variations of non-dimensional runup values (Rd/Ho) and the rundown values (Rd/Ho) with deep- water wave steepness (Ho/gT2), damage level (S) with stability number (Ns) are investigated for different depths of still water level (SWL). A decrease in runup and rundown with wave steepness has been observed. Location of berm near SWL has been found to be more effective in reducing the wave runup. Damage level increases with decrease in wave period within the limits of experimental variables studied.

Original languageEnglish
Pages (from-to)90-100
Number of pages11
JournalISH Journal of Hydraulic Engineering
Volume11
Issue number2
DOIs
Publication statusPublished - 2005

All Science Journal Classification (ASJC) codes

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

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