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Wave Runup,Rundown and Stability Analysis On Berm Breakwater With 20% reduced Armour Weight

Rao, Subba and Subrahmanya, K and Rao, Balakrishna K and Chandramohan , V R (2005) Wave Runup,Rundown and Stability Analysis On Berm Breakwater With 20% reduced Armour Weight. ISH Journal of Hydraulic Engineering, 11 (2). pp. 90-100.

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Abstract

This paper presents the results of the experimental investigation of the stbility, 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 (R/H) and the rundown values (R/H) with deep-water wvae steepness (H/gT), damage level (S) with stability number (Ns) are investigated for different depths of still watr 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.

Item Type: Article
Uncontrolled Keywords: SWL, Runnup, Rundown, Wave steepness, Damage and Stability Number.
Subjects: Engineering > MIT Manipal > Civil Engineering
Depositing User: MIT Library
Date Deposited: 09 Jul 2011 04:59
Last Modified: 09 Jul 2011 04:59
URI: http://eprints.manipal.edu/id/eprint/589

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