Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete

Concerning the issue of the seismicity of Iran and the effect of structure weight on the amount of earthquake load exerted on the structure, there is the need for stylization of structures in order to reduce the costs of designing and repairing structures against earthquakes. It is possible to build...

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Autores principales:	Shamsa Basirat, Mohsen Omrani, Babak Behforooz
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2019
Materias:	structural light-weight concrete microsilica compressive strength water absorption additional material Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/3b531a5a342240338d24e8c2e9742aa0
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id	oai:doaj.org-article:3b531a5a342240338d24e8c2e9742aa0
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spelling	oai:doaj.org-article:3b531a5a342240338d24e8c2e9742aa02021-11-08T15:51:06ZEffect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete2476-39772538-261610.22065/jsce.2017.95976.1301https://doaj.org/article/3b531a5a342240338d24e8c2e9742aa02019-02-01T00:00:00Zhttps://www.jsce.ir/article_51821_e85c4812c7f1d17f4185496373bc37a1.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616Concerning the issue of the seismicity of Iran and the effect of structure weight on the amount of earthquake load exerted on the structure, there is the need for stylization of structures in order to reduce the costs of designing and repairing structures against earthquakes. It is possible to build structural light-weight concrete by using different additive materials. Microsilica is of the additives of concrete, which is of a significant role in improving concrete characteristics. In this paper, as regards to the positive influence that the additive material puts on the concrete compressive strength, it has been used as a replacement of a part of the cement used in the concrete mix design. Investigation of the compressive strength of light-weight concrete with microsilica contents of 4, 8, and 12 weight percentage of cement at the ages of 28, 118, and 148 days and the water absorption of 90-day samples have been performed through experimental study. It was observed by investigating the compressive strength and the obtained results that using microsilica up to 12% leads to increase compressive strength relative to the control sample. The optimal amount of the used microsilica at all ages is equal to 8% of cement weight. In addition, by increasing of the consumable microsilica up to 12%, the concrete water absorption is reduced as compared to the control sample, and finally causes to reduce the porosity of the light-weight concrete. All the experiments during this study have been performed at the concrete laboratory of the civil engineering faculty of Islamic Azad University, Najaf Abad Branch.Shamsa BasiratMohsen OmraniBabak BehforoozIranian Society of Structrual Engineering (ISSE)articlestructural light-weight concretemicrosilicacompressive strengthwater absorptionadditional materialBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 5, Iss شماره ویژه 4, Pp 127-139 (2019)
institution	DOAJ
collection	DOAJ
language	FA
topic	structural light-weight concrete microsilica compressive strength water absorption additional material Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	structural light-weight concrete microsilica compressive strength water absorption additional material Bridge engineering TG1-470 Building construction TH1-9745 Shamsa Basirat Mohsen Omrani Babak Behforooz Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
description	Concerning the issue of the seismicity of Iran and the effect of structure weight on the amount of earthquake load exerted on the structure, there is the need for stylization of structures in order to reduce the costs of designing and repairing structures against earthquakes. It is possible to build structural light-weight concrete by using different additive materials. Microsilica is of the additives of concrete, which is of a significant role in improving concrete characteristics. In this paper, as regards to the positive influence that the additive material puts on the concrete compressive strength, it has been used as a replacement of a part of the cement used in the concrete mix design. Investigation of the compressive strength of light-weight concrete with microsilica contents of 4, 8, and 12 weight percentage of cement at the ages of 28, 118, and 148 days and the water absorption of 90-day samples have been performed through experimental study. It was observed by investigating the compressive strength and the obtained results that using microsilica up to 12% leads to increase compressive strength relative to the control sample. The optimal amount of the used microsilica at all ages is equal to 8% of cement weight. In addition, by increasing of the consumable microsilica up to 12%, the concrete water absorption is reduced as compared to the control sample, and finally causes to reduce the porosity of the light-weight concrete. All the experiments during this study have been performed at the concrete laboratory of the civil engineering faculty of Islamic Azad University, Najaf Abad Branch.
format	article
author	Shamsa Basirat Mohsen Omrani Babak Behforooz
author_facet	Shamsa Basirat Mohsen Omrani Babak Behforooz
author_sort	Shamsa Basirat
title	Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
title_short	Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
title_full	Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
title_fullStr	Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
title_full_unstemmed	Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete
title_sort	effect of microsilica additive on compressive strength and water absorption of lightweight concrete
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2019
url	https://doaj.org/article/3b531a5a342240338d24e8c2e9742aa0
work_keys_str_mv	AT shamsabasirat effectofmicrosilicaadditiveoncompressivestrengthandwaterabsorptionoflightweightconcrete AT mohsenomrani effectofmicrosilicaadditiveoncompressivestrengthandwaterabsorptionoflightweightconcrete AT babakbehforooz effectofmicrosilicaadditiveoncompressivestrengthandwaterabsorptionoflightweightconcrete
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Effect of Microsilica Additive on Compressive Strength and Water Absorption of Lightweight Concrete

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