Clear-water scour at long skewed bridge piers

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dc.contributor.author Ahmad, N en
dc.contributor.author Melville, Bruce en
dc.contributor.author Mohammad, T en
dc.contributor.author Faisal, A en
dc.contributor.author Yusuf, B en
dc.date.accessioned 2017-03-14T01:54:25Z en
dc.date.available 2016-10-28 en
dc.date.issued 2017 en
dc.identifier.citation Journal of the Chinese Institute of Engineers, 2017, 40 (1), 10 - 18 en
dc.identifier.issn 0253-3839 en
dc.identifier.uri http://hdl.handle.net/2292/32173 en
dc.description.abstract The results of an experimental study on clear-water scour at long skewed rectangular piers under steady flows at threshold velocity are presented. The scour mechanisms due to skewness effects with a wide range of angle of attack, α, and two sizes of uniform cohesionless bed sediment (d50 = 0.23 and d50 = 0.80 mm) have been investigated in a 50-m-long, 1.5-m-wide, and 2.0-m-deep flume. Empirical relation to demonstrate the effects of skewness in terms of dimensionless variables, such as aspect ratio (L/b), the angle of attack (α), flow shallowness (y/Bα), sediment coarseness (Bα/d50), the sediment gradation coefficient (σg), on scour depth is presented. The empirical relation is focused on predicting the angle of attack factor, Kα. The experimental data obtained in this study and data available from the literature were used to validate the predictions of existing methods and the accuracy of the proposed method. The proposed method gives reasonable scour depth predictions and was verified with statistical methods where the mean error was reduced from 53.6 to 18.1%. en
dc.language English en
dc.publisher Taylor & Francis / Chinese Institute of Engineers en
dc.relation.ispartofseries Journal of the Chinese Institute of Engineers en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0253-3839/ http://authorservices.taylorandfrancis.com/sharing-your-work/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Clear-water scour at long skewed bridge piers en
dc.type Journal Article en
dc.identifier.doi 10.1080/02533839.2016.1259021 en
pubs.issue 1 en
pubs.begin-page 10 en
pubs.volume 40 en
dc.description.version VoR - Version of Record en
pubs.author-url http://www.tandfonline.com/doi/full/10.1080/02533839.2016.1259021 en
pubs.end-page 18 en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 602872 en
pubs.org-id Engineering en
pubs.org-id Civil and Environmental Eng en
dc.identifier.eissn 2158-7299 en
pubs.record-created-at-source-date 2016-12-19 en
pubs.online-publication-date 2016-12-08 en


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