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Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure

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Main Authors: Zarina, Yahya, Mohd Mustafa Al Bakri, Abdullah, S. N. H. Ramli, Minciuna, M. G., Rafiza, Abd Razak
Other Authors: zarinayahya@unimap.edu.my
Format: Article
Language:English
Published: IOP Publishing Ltd 2022
Subjects:
Geopolymers
Geopolymer concrete
Rubber crumb
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74615
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spelling my.unimap-746152022-03-10T08:40:16Z Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure Zarina, Yahya Zarina, Yahya Mohd Mustafa Al Bakri, Abdullah S. N. H. Ramli Minciuna, M. G. Rafiza, Abd Razak zarinayahya@unimap.edu.my Center of Excellence Geopolymer and Green Technology (CEGeoGTech), School of Materials Engineering, Universiti Malaysia Perlis (UniMAP) Faculty of Engineering Technology, Universiti Malaysia Perlis (UniMAP) Faculty of Materials Science and Engineering, Gheorghe Asachi Technical University of Iasi Geopolymers Geopolymer concrete Rubber crumb Link to publisher's homepage at https://iopscience.iop.org/ Geopolymer is an alternative binder to replace Ordinary Portland Cement (OPC)in construction industry. Source materials that rich in silica (Si) and alumina (Al) were activated by using alkaline solution. Production of tires keep increasing every year and due to its non-biodegradable properties it causes problems for disposal process. In current scenario, waste materials should be used or recycled so that the existing natural resources can be saved and at the same times it can protected environment. In this paper, the effect of rubber crumb on fly ash based geopolymer concrete have been investigated by immersing the samples in seawater for 28 and 60 days. The rubber crumb was used to replace coarse aggregates from range 5% until 20%. The ratio of fly ash/alkaline activator and sodium silicate/sodium hydroxide(NaOH) ratio were fixed at 2.0 and 2.5. It has been shown that the compressive strength decreased when the content of rubber crumb increased. The highest compressive strength (39.6 MPa) was obtained at 5% replacement of rubber crumb when exposure to seawater for 28 days. The density of geopolymer samples also increased when immersed in seawater for all samples. The lack of bonding between rubber crumb and geoplymer paste cause increasing in porosity hence reduced the strength, increment in density and changes in weight of geopolymer samples. 2022 2022-03-10T08:40:16Z 2022-03-10T08:40:16Z 2018-06 Article IOP Conference Services: Material Sciences Engineering, vol.374, 2018, 7 pages 1757-899x (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74615 https://doi.org/10.1088/1757-899x/374/1/012069 en IOP Publishing Ltd
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Geopolymers
Geopolymer concrete
Rubber crumb
spellingShingle Geopolymers
Geopolymer concrete
Rubber crumb
Zarina, Yahya
Zarina, Yahya
Mohd Mustafa Al Bakri, Abdullah
S. N. H. Ramli
Minciuna, M. G.
Rafiza, Abd Razak
Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
description Link to publisher's homepage at https://iopscience.iop.org/
author2 zarinayahya@unimap.edu.my
author_facet zarinayahya@unimap.edu.my
Zarina, Yahya
Zarina, Yahya
Mohd Mustafa Al Bakri, Abdullah
S. N. H. Ramli
Minciuna, M. G.
Rafiza, Abd Razak
format Article
author Zarina, Yahya
Zarina, Yahya
Mohd Mustafa Al Bakri, Abdullah
S. N. H. Ramli
Minciuna, M. G.
Rafiza, Abd Razak
author_sort Zarina, Yahya
title Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
title_short Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
title_full Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
title_fullStr Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
title_full_unstemmed Durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
title_sort durability of fly ash based geopolymer concrete infilled with rubber crumb in seawater exposure
publisher IOP Publishing Ltd
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/74615
_version_ 1729704782780694528
score 13.209306

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