Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete

This experimental work explored the synergic effect of millet husk ash (MHA) and wheat straw ash (WSA) on the fresh and hardened properties of metakaolin-based self-compacting geopolymer concrete. An equal amount of MHA and WSA contents at 2.5, 5, 7.5 and 10 were utilized as a partial replacement of...

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Main Authors: Bheel, N., Awoyera, P., Shar, I.A., Abbasi, S.A., Khahro, S.H., Prakash A, K.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.29651 /
Published: Elsevier Ltd 2021
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85116716650&doi=10.1016%2fj.cscm.2021.e00729&partnerID=40&md5=541a40ea0401bf883643b34e525ff8f5
http://eprints.utp.edu.my/29651/
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spelling utp-eprints.296512022-03-25T02:12:32Z Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete Bheel, N. Awoyera, P. Shar, I.A. Abbasi, S.A. Khahro, S.H. Prakash A, K. This experimental work explored the synergic effect of millet husk ash (MHA) and wheat straw ash (WSA) on the fresh and hardened properties of metakaolin-based self-compacting geopolymer concrete. An equal amount of MHA and WSA contents at 2.5, 5, 7.5 and 10 were utilized as a partial replacement of metakaolin in the mixes. The filling ability (slump flow, V-Funnel, and T50 flow) and passing ability (J-Ring and L-box) of fresh SCGC mixture were determined. The study further determined the density, compressive, split tensile and flexural strength and permeability of hardened SCGC mixes. The results showed that both MHA and WSA addition somewhat reduced in workability of fresh SCGC mixes. However, the hardened properties were significantly enhanced, a development that was more pronounced in the mix having 5 each of MHA and WSA with compressive strength, split tensile strength, and flexural strength of 53.80 MPa, 4.82 MPa, and 5.15 MPa, respectively. The water penetration depth and density of SCGC mixes lessen as the MHA and WSA contents were increased beyond 10. Overall, the study recommends a combined use of 5 each of MHA and WSA for metakaolin-based geopolymer SCC production to ensure optimal performance. © 2021 The Authors Elsevier Ltd 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85116716650&doi=10.1016%2fj.cscm.2021.e00729&partnerID=40&md5=541a40ea0401bf883643b34e525ff8f5 Bheel, N. and Awoyera, P. and Shar, I.A. and Abbasi, S.A. and Khahro, S.H. and Prakash A, K. (2021) Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete. Case Studies in Construction Materials, 15 . http://eprints.utp.edu.my/29651/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description This experimental work explored the synergic effect of millet husk ash (MHA) and wheat straw ash (WSA) on the fresh and hardened properties of metakaolin-based self-compacting geopolymer concrete. An equal amount of MHA and WSA contents at 2.5, 5, 7.5 and 10 were utilized as a partial replacement of metakaolin in the mixes. The filling ability (slump flow, V-Funnel, and T50 flow) and passing ability (J-Ring and L-box) of fresh SCGC mixture were determined. The study further determined the density, compressive, split tensile and flexural strength and permeability of hardened SCGC mixes. The results showed that both MHA and WSA addition somewhat reduced in workability of fresh SCGC mixes. However, the hardened properties were significantly enhanced, a development that was more pronounced in the mix having 5 each of MHA and WSA with compressive strength, split tensile strength, and flexural strength of 53.80 MPa, 4.82 MPa, and 5.15 MPa, respectively. The water penetration depth and density of SCGC mixes lessen as the MHA and WSA contents were increased beyond 10. Overall, the study recommends a combined use of 5 each of MHA and WSA for metakaolin-based geopolymer SCC production to ensure optimal performance. © 2021 The Authors
format Article
author Bheel, N.
Awoyera, P.
Shar, I.A.
Abbasi, S.A.
Khahro, S.H.
Prakash A, K.
spellingShingle Bheel, N.
Awoyera, P.
Shar, I.A.
Abbasi, S.A.
Khahro, S.H.
Prakash A, K.
Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
author_sort Bheel, N.
title Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
title_short Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
title_full Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
title_fullStr Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
title_full_unstemmed Synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of Metakaolin-based self-compacting geopolymer concrete
title_sort synergic effect of millet husk ash and wheat straw ash on the fresh and hardened properties of metakaolin-based self-compacting geopolymer concrete
publisher Elsevier Ltd
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85116716650&doi=10.1016%2fj.cscm.2021.e00729&partnerID=40&md5=541a40ea0401bf883643b34e525ff8f5
http://eprints.utp.edu.my/29651/
_version_ 1741197277990486016
score 11.62408

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