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Effects of by-products as cement replacement materials towards concrete carbonation depth

Carbonation is a common threat to reinforced concrete structures. Carbonation causes deterioration by the corrosion of the reinforcement bars as it allows moisture to penetrate to the depth of the steel and also leads to concrete spalling. Althoughthe causes; mechanisms and factors that promote conc...

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Main Author: Muhammad Hariz, Mohamed Idris
Format: Undergraduates Project Papers
Language:English
Published: 2013
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://umpir.ump.edu.my/id/eprint/11092/1/MUHAMMAD%20HARIZ%20BIN%20MOHAMED%20IDRIS.PDF
http://umpir.ump.edu.my/id/eprint/11092/
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spelling my.ump.umpir.110922021-08-02T04:16:00Z http://umpir.ump.edu.my/id/eprint/11092/ Effects of by-products as cement replacement materials towards concrete carbonation depth Muhammad Hariz, Mohamed Idris TA Engineering (General). Civil engineering (General) Carbonation is a common threat to reinforced concrete structures. Carbonation causes deterioration by the corrosion of the reinforcement bars as it allows moisture to penetrate to the depth of the steel and also leads to concrete spalling. Althoughthe causes; mechanisms and factors that promote concrete carbonation have been widely studied, there is.verylittle data relating carbonation with industrial by-products -such as palm oil fuel ash(POFA), pulverized fly ash (PFA) and whatsoever. Thus, the aim of this research is to study the effects of POFA and PFA towards concrete carbonation depth as POFA and PFA have been used extensively as cement replacement materials to improve concrete characteristics. Three different samples at 3 years of age were used, each for control concrete, POFA concrete and PFA concrete where POFA and PFA are added up to 30% cement replacement, starting with 10% and 20%. Water absorption test, alkalinity test and carbonation test were all carried out to achieve the objectives of this research. From the results, reduction of alkalinity and permeability occurs in concrete containing POFA and PFA and is decreasing as the amount of POFA and PFA is increased. Though permeability of concrete is improved due to introduction of POFA and PFA, carbonation depth is found to be higher in those concrete compared to control concrete. 2013-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/11092/1/MUHAMMAD%20HARIZ%20BIN%20MOHAMED%20IDRIS.PDF Muhammad Hariz, Mohamed Idris (2013) Effects of by-products as cement replacement materials towards concrete carbonation depth. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Muhammad Hariz, Mohamed Idris
Effects of by-products as cement replacement materials towards concrete carbonation depth
description Carbonation is a common threat to reinforced concrete structures. Carbonation causes deterioration by the corrosion of the reinforcement bars as it allows moisture to penetrate to the depth of the steel and also leads to concrete spalling. Althoughthe causes; mechanisms and factors that promote concrete carbonation have been widely studied, there is.verylittle data relating carbonation with industrial by-products -such as palm oil fuel ash(POFA), pulverized fly ash (PFA) and whatsoever. Thus, the aim of this research is to study the effects of POFA and PFA towards concrete carbonation depth as POFA and PFA have been used extensively as cement replacement materials to improve concrete characteristics. Three different samples at 3 years of age were used, each for control concrete, POFA concrete and PFA concrete where POFA and PFA are added up to 30% cement replacement, starting with 10% and 20%. Water absorption test, alkalinity test and carbonation test were all carried out to achieve the objectives of this research. From the results, reduction of alkalinity and permeability occurs in concrete containing POFA and PFA and is decreasing as the amount of POFA and PFA is increased. Though permeability of concrete is improved due to introduction of POFA and PFA, carbonation depth is found to be higher in those concrete compared to control concrete.
format Undergraduates Project Papers
author Muhammad Hariz, Mohamed Idris
author_facet Muhammad Hariz, Mohamed Idris
author_sort Muhammad Hariz, Mohamed Idris
title Effects of by-products as cement replacement materials towards concrete carbonation depth
title_short Effects of by-products as cement replacement materials towards concrete carbonation depth
title_full Effects of by-products as cement replacement materials towards concrete carbonation depth
title_fullStr Effects of by-products as cement replacement materials towards concrete carbonation depth
title_full_unstemmed Effects of by-products as cement replacement materials towards concrete carbonation depth
title_sort effects of by-products as cement replacement materials towards concrete carbonation depth
publishDate 2013
url http://umpir.ump.edu.my/id/eprint/11092/1/MUHAMMAD%20HARIZ%20BIN%20MOHAMED%20IDRIS.PDF
http://umpir.ump.edu.my/id/eprint/11092/
_version_ 1707766046864179200
score 13.211869

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