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Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure

This study attempts to reduce scour depth due to localised scour around a bridge pier by introducing Epoxidised Natural Rubber Alumina Nanoparticles (ENRAN) sheet acting as bridge pier sheathing. The performance of the ENRAN sheet was assessed based on the configuration of slots and by roughening wi...

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Main Authors: Habib, Ibtesam, Mohtar, Wan Hanna Melini Wan, El-Shafie, Ahmed, Sharil, Suraya
Format: Article
Published: Elsevier 2021
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.um.edu.my/26577/
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spelling my.um.eprints.265772022-03-21T03:51:03Z http://eprints.um.edu.my/26577/ Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure Habib, Ibtesam Mohtar, Wan Hanna Melini Wan El-Shafie, Ahmed Sharil, Suraya TA Engineering (General). Civil engineering (General) This study attempts to reduce scour depth due to localised scour around a bridge pier by introducing Epoxidised Natural Rubber Alumina Nanoparticles (ENRAN) sheet acting as bridge pier sheathing. The performance of the ENRAN sheet was assessed based on the configuration of slots and by roughening with 1 cm diameter spheres. Experiments were conducted with pier shapes of cylindrical, square, and rectangular using a fixed sediment bed with median grain size (600 mu m). Coarser slot spatial arrangement is more efficient in reducing 17% scour depth (from the non-sheathed pier), whereas closer placement of the roughened element has better performance up to 27%. Experiments were extended to investigate the combined slotted-roughened configuration, where higher scour reduction (35%) was observed, even for a rectangular shape. Not only the flexibility of the ENRAN sheet allows for installation for any pier shape, but also it's durable characteristics proved ENRAN as an attractive method, providing self-protection to the bridge pier to minimise scouring. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of Faculty of Engineering, Ain Shams University. Elsevier 2021-06 Article PeerReviewed Habib, Ibtesam and Mohtar, Wan Hanna Melini Wan and El-Shafie, Ahmed and Sharil, Suraya (2021) Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure. Ain Shams Engineering Journal, 12 (2). pp. 1255-1265. ISSN 2090-4479, DOI https://doi.org/10.1016/j.asej.2020.07.030 <https://doi.org/10.1016/j.asej.2020.07.030>. 10.1016/j.asej.2020.07.030
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Habib, Ibtesam
Mohtar, Wan Hanna Melini Wan
El-Shafie, Ahmed
Sharil, Suraya
Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
description This study attempts to reduce scour depth due to localised scour around a bridge pier by introducing Epoxidised Natural Rubber Alumina Nanoparticles (ENRAN) sheet acting as bridge pier sheathing. The performance of the ENRAN sheet was assessed based on the configuration of slots and by roughening with 1 cm diameter spheres. Experiments were conducted with pier shapes of cylindrical, square, and rectangular using a fixed sediment bed with median grain size (600 mu m). Coarser slot spatial arrangement is more efficient in reducing 17% scour depth (from the non-sheathed pier), whereas closer placement of the roughened element has better performance up to 27%. Experiments were extended to investigate the combined slotted-roughened configuration, where higher scour reduction (35%) was observed, even for a rectangular shape. Not only the flexibility of the ENRAN sheet allows for installation for any pier shape, but also it's durable characteristics proved ENRAN as an attractive method, providing self-protection to the bridge pier to minimise scouring. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of Faculty of Engineering, Ain Shams University.
format Article
author Habib, Ibtesam
Mohtar, Wan Hanna Melini Wan
El-Shafie, Ahmed
Sharil, Suraya
author_facet Habib, Ibtesam
Mohtar, Wan Hanna Melini Wan
El-Shafie, Ahmed
Sharil, Suraya
author_sort Habib, Ibtesam
title Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
title_short Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
title_full Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
title_fullStr Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
title_full_unstemmed Potential of epoxidised natural rubber alumina nanoparticles (ENRAN) sheet as local bridge pier scour countermeasure
title_sort potential of epoxidised natural rubber alumina nanoparticles (enran) sheet as local bridge pier scour countermeasure
publisher Elsevier
publishDate 2021
url http://eprints.um.edu.my/26577/
_version_ 1735409430572302336
score 13.211869

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