Natural minerals mixture for enhancing concrete compressive strength

The construction material quality is required to be improved in order to enhancing structure stability, optimizing construction cost and quality. The kaolin and bentonite have been mixed in equal quantity and treated by heat for 1 hour under 600 oC, 800 oC and 1000 oC to create new minerals under hi...

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Main Author: Abdoullah Namdar
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2012-09-01
Series:Frattura ed Integrità Strutturale
Subjects:
Online Access:https://www.fracturae.com/index.php/fis/article/view/150
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author Abdoullah Namdar
author_facet Abdoullah Namdar
author_sort Abdoullah Namdar
collection DOAJ
description The construction material quality is required to be improved in order to enhancing structure stability, optimizing construction cost and quality. The kaolin and bentonite have been mixed in equal quantity and treated by heat for 1 hour under 600 oC, 800 oC and 1000 oC to create new minerals under high temperature condition to introduce an acceptable concrete additive for achieving concrete compressive strength in early age. To study micro properties of additive-cement mixture, X-ray and FESEM experiments have been used. The results indicate that acceptable proportion of unheated kaolin-bentonite is improving the concrete compressive response. But if kaolin-bentonite mixture treated by heat under 800 oC and in quantity of 12 % has been used in concrete mixed design, then the concrete compressive strength of 7 days shows the best result. The result is due to the development of new minerals under high temperature condition in mineral mixture and also kaolin-bentonite additive change cement past crystal and lead to enhancement of nano structural cement bonding.
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spelling doaj.art-300ac897edcf43fbb6798a701dc7285e2022-12-22T04:08:42ZengGruppo Italiano FratturaFrattura ed Integrità Strutturale1971-89932012-09-0162210.3221/IGF-ESIS.22.04Natural minerals mixture for enhancing concrete compressive strengthAbdoullah Namdar0Faculty of Civil Engineering & Earth Resources, Universiti Malaysia Pahang, MalaysiaThe construction material quality is required to be improved in order to enhancing structure stability, optimizing construction cost and quality. The kaolin and bentonite have been mixed in equal quantity and treated by heat for 1 hour under 600 oC, 800 oC and 1000 oC to create new minerals under high temperature condition to introduce an acceptable concrete additive for achieving concrete compressive strength in early age. To study micro properties of additive-cement mixture, X-ray and FESEM experiments have been used. The results indicate that acceptable proportion of unheated kaolin-bentonite is improving the concrete compressive response. But if kaolin-bentonite mixture treated by heat under 800 oC and in quantity of 12 % has been used in concrete mixed design, then the concrete compressive strength of 7 days shows the best result. The result is due to the development of new minerals under high temperature condition in mineral mixture and also kaolin-bentonite additive change cement past crystal and lead to enhancement of nano structural cement bonding.https://www.fracturae.com/index.php/fis/article/view/150Concrete additive
spellingShingle Abdoullah Namdar
Natural minerals mixture for enhancing concrete compressive strength
Frattura ed Integrità Strutturale
Concrete additive
title Natural minerals mixture for enhancing concrete compressive strength
title_full Natural minerals mixture for enhancing concrete compressive strength
title_fullStr Natural minerals mixture for enhancing concrete compressive strength
title_full_unstemmed Natural minerals mixture for enhancing concrete compressive strength
title_short Natural minerals mixture for enhancing concrete compressive strength
title_sort natural minerals mixture for enhancing concrete compressive strength
topic Concrete additive
url https://www.fracturae.com/index.php/fis/article/view/150
work_keys_str_mv AT abdoullahnamdar naturalmineralsmixtureforenhancingconcretecompressivestrength