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Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets

Engineering cementitious composites are designed to offer high ductility, enhanced strength, and enhanced impact resistance as rehabilitation materials for various support structures and equipment. ECC is an inventive material for construction with tensile strain hardened properties and multiple fra...

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Main Authors: Khan, M.B., Iqbal Khan, M., Shafiq, N., Abbas, Y.M., Imran, M., Fares, G., Khatib, J.M.
Format: Article
Published: Elsevier Ltd 2023
Online Access:http://scholars.utp.edu.my/id/eprint/37291/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85170646770&doi=10.1016%2fj.conbuildmat.2023.133187&partnerID=40&md5=ccf620d818bc297feec2d15399c19988
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spelling oai:scholars.utp.edu.my:372912023-10-04T08:37:08Z http://scholars.utp.edu.my/id/eprint/37291/ Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets Khan, M.B. Iqbal Khan, M. Shafiq, N. Abbas, Y.M. Imran, M. Fares, G. Khatib, J.M. Engineering cementitious composites are designed to offer high ductility, enhanced strength, and enhanced impact resistance as rehabilitation materials for various support structures and equipment. ECC is an inventive material for construction with tensile strain hardened properties and multiple fracture behaviors, which is highly encouraged in the construction industry. The objective of this study was to create an eco-efficient engineered cementitious composite (ECC) with binary systems of cement with metakaolin (MK) and silica fume (SF) and an optimized dosage of graphene nanoplatelets (GNPs). To optimize mixture proportion, an experimental design was developed using the response surface method. We analyzed the compressive strength, split tensile strength, flexural strength, dried density, embodied carbon, and eco-strength efficiency of the optimal mixture proportion to determine its mechanical properties and low-carbon footprint. Results analysis showed a total of 10 content of SF and MK is optimum for an eco-friendly (low carbon profile) and mechanically strong ECC mixture. If it exceeds 10, the mechanical strength of the composite decreases. Furthermore, 0.02 to 0.03 GNP concentration improved mechanical characteristics even further. According to the results of the multi-objective optimization, the optimal values for the variables Mk, SF, and GNPs are 9.19, 4.83, and 0.03, respectively. © 2023 Elsevier Ltd Elsevier Ltd 2023 Article NonPeerReviewed Khan, M.B. and Iqbal Khan, M. and Shafiq, N. and Abbas, Y.M. and Imran, M. and Fares, G. and Khatib, J.M. (2023) Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets. Construction and Building Materials, 404. ISSN 09500618 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85170646770&doi=10.1016%2fj.conbuildmat.2023.133187&partnerID=40&md5=ccf620d818bc297feec2d15399c19988 10.1016/j.conbuildmat.2023.133187 10.1016/j.conbuildmat.2023.133187 10.1016/j.conbuildmat.2023.133187
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description Engineering cementitious composites are designed to offer high ductility, enhanced strength, and enhanced impact resistance as rehabilitation materials for various support structures and equipment. ECC is an inventive material for construction with tensile strain hardened properties and multiple fracture behaviors, which is highly encouraged in the construction industry. The objective of this study was to create an eco-efficient engineered cementitious composite (ECC) with binary systems of cement with metakaolin (MK) and silica fume (SF) and an optimized dosage of graphene nanoplatelets (GNPs). To optimize mixture proportion, an experimental design was developed using the response surface method. We analyzed the compressive strength, split tensile strength, flexural strength, dried density, embodied carbon, and eco-strength efficiency of the optimal mixture proportion to determine its mechanical properties and low-carbon footprint. Results analysis showed a total of 10 content of SF and MK is optimum for an eco-friendly (low carbon profile) and mechanically strong ECC mixture. If it exceeds 10, the mechanical strength of the composite decreases. Furthermore, 0.02 to 0.03 GNP concentration improved mechanical characteristics even further. According to the results of the multi-objective optimization, the optimal values for the variables Mk, SF, and GNPs are 9.19, 4.83, and 0.03, respectively. © 2023 Elsevier Ltd
format Article
author Khan, M.B.
Iqbal Khan, M.
Shafiq, N.
Abbas, Y.M.
Imran, M.
Fares, G.
Khatib, J.M.
spellingShingle Khan, M.B.
Iqbal Khan, M.
Shafiq, N.
Abbas, Y.M.
Imran, M.
Fares, G.
Khatib, J.M.
Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
author_facet Khan, M.B.
Iqbal Khan, M.
Shafiq, N.
Abbas, Y.M.
Imran, M.
Fares, G.
Khatib, J.M.
author_sort Khan, M.B.
title Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
title_short Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
title_full Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
title_fullStr Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
title_full_unstemmed Enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
title_sort enhancing the mechanical and environmental performance of engineered cementitious composite with metakaolin, silica fume, and graphene nanoplatelets
publisher Elsevier Ltd
publishDate 2023
url http://scholars.utp.edu.my/id/eprint/37291/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85170646770&doi=10.1016%2fj.conbuildmat.2023.133187&partnerID=40&md5=ccf620d818bc297feec2d15399c19988
_version_ 1779441360816832512
score 13.222552

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