Local scour at piled bridge piers including an examination of the superposition method

An experimental investigation of clear water scour at complex piers is presented. Five complex piers, comprising different configurations of piles, pile cap, and column, were tested in a laboratory flume using uniform bed material. The piers were tested for a range of possible elevations relative to...

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Main Authors: Amini, Ata, Melville, Bruce William, Mohamed Ali, Thamer Ahmad
Format: Article
Published: NRC Research Press 2014
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author Amini, Ata
Melville, Bruce William
Mohamed Ali, Thamer Ahmad
author_facet Amini, Ata
Melville, Bruce William
Mohamed Ali, Thamer Ahmad
author_sort Amini, Ata
collection UPM
description An experimental investigation of clear water scour at complex piers is presented. Five complex piers, comprising different configurations of piles, pile cap, and column, were tested in a laboratory flume using uniform bed material. The piers were tested for a range of possible elevations relative to the streambed elevation. Experiments were undertaken using the complex piers and also using the individual components of each complex pier. A comparison of the results for the intact piers and for their components enabled an evaluation of the prediction methods involving superposition of scour depths at piles, pile cap, and pier column. The superposition method is found to give inadequate estimates of total scour depth in many cases.
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spelling upm.eprints-343942015-12-15T00:24:23Z http://psasir.upm.edu.my/id/eprint/34394/ Local scour at piled bridge piers including an examination of the superposition method Amini, Ata Melville, Bruce William Mohamed Ali, Thamer Ahmad An experimental investigation of clear water scour at complex piers is presented. Five complex piers, comprising different configurations of piles, pile cap, and column, were tested in a laboratory flume using uniform bed material. The piers were tested for a range of possible elevations relative to the streambed elevation. Experiments were undertaken using the complex piers and also using the individual components of each complex pier. A comparison of the results for the intact piers and for their components enabled an evaluation of the prediction methods involving superposition of scour depths at piles, pile cap, and pier column. The superposition method is found to give inadequate estimates of total scour depth in many cases. NRC Research Press 2014 Article PeerReviewed Amini, Ata and Melville, Bruce William and Mohamed Ali, Thamer Ahmad (2014) Local scour at piled bridge piers including an examination of the superposition method. Canadian Journal of Civil Engineering, 41 (5). pp. 461-471. ISSN 0315-1468; ESSN: 1208-6029 http://www.nrcresearchpress.com/doi/abs/10.1139/cjce-2011-0389#.VkBTrCvD-H1 10.1139/cjce-2011-0389
spellingShingle Amini, Ata
Melville, Bruce William
Mohamed Ali, Thamer Ahmad
Local scour at piled bridge piers including an examination of the superposition method
title Local scour at piled bridge piers including an examination of the superposition method
title_full Local scour at piled bridge piers including an examination of the superposition method
title_fullStr Local scour at piled bridge piers including an examination of the superposition method
title_full_unstemmed Local scour at piled bridge piers including an examination of the superposition method
title_short Local scour at piled bridge piers including an examination of the superposition method
title_sort local scour at piled bridge piers including an examination of the superposition method
work_keys_str_mv AT aminiata localscouratpiledbridgepiersincludinganexaminationofthesuperpositionmethod
AT melvillebrucewilliam localscouratpiledbridgepiersincludinganexaminationofthesuperpositionmethod
AT mohamedalithamerahmad localscouratpiledbridgepiersincludinganexaminationofthesuperpositionmethod