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Sliding stability analysis of emerged quarter circle breakwater with varying seaside perforations

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Title Sliding stability analysis of emerged quarter circle breakwater with varying seaside perforations
 
Creator Binumol, S
Rao, Subba
Hegde, Arkal Vittal
 
Subject Quarter circle breakwater
Stability parameter
Wave steepness
Relative water depth and perforations
 
Description 1428-1435
In the present study, an attempt has been made to study the sliding stability of seaside perforated Quarter circle breakwater (QBW) models. Experiments were conducted in a 2D monochromatic wave flume to study the minimum (critical) weight required to resist the sliding of emerged seaside perforated quarter circle breakwater models with radius 0.55 m and ratio of spacing to diameter of perforations (S/D) equal to 2, 2.5, 3, 4 and 5. From the results it was observed that the non-dimensional stability parameter (W/γHi2) is always decreasing with the increase in wave steepness, Hi/gT2, but increasing with increase in ratio of water depth to height of the breakwater structure or relative water depth (d/hs) and S/D. Minimum W/γHi2 was observed corresponding to S/D=2.5 and d/hs= 0.569.
 
Date 2017-06-14T05:17:11Z
2017-06-14T05:17:11Z
2017-07
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/42234
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.46(07) [July 2017]