Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions

The investigation of the effect of curing conditions on self-healing of pre-cracked concrete containing palm oil fuel ash (POFA)-concrete is presented. Concrete grade 30 was used and POFA cement replaced 10%, 20% and 30% of the total weight of ordinary Portland cement [1].The compressive strength w...

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Main Authors:	Khairul Anuar, Shahid, M. F. M., Jaafar, F. M., Yahaya
Format:	Article
Language:	English
Published:	Faculty Mechanical Engineering, UMP 2014
Subjects:	TA Engineering (General). Civil engineering (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/1/Self-Healing%20Behaviour%20Of%20Pre-Cracked%20Pofa-Concretes%20In%20Different%20Curing%20Conditions.pdf

id	ump-8984
recordtype	eprints
spelling	ump-89842018-02-19T06:54:43Z http://umpir.ump.edu.my/id/eprint/8984/ Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions Khairul Anuar, Shahid M. F. M., Jaafar F. M., Yahaya TA Engineering (General). Civil engineering (General) The investigation of the effect of curing conditions on self-healing of pre-cracked concrete containing palm oil fuel ash (POFA)-concrete is presented. Concrete grade 30 was used and POFA cement replaced 10%, 20% and 30% of the total weight of ordinary Portland cement [1].The compressive strength was tested after 7, 28, 60 and 90 days cured in water in order to investigate the strength development of the POFA-concretes. In addition, the pre-crack (hairline crack) concrete was examined under compression load to determine the effectiveness of self-healing POFA-concretes after different curing conditions. Four types of curing condition, namely air, room temperature, wet and dry, and water curing were tested. An ultra-pulse velocity (UPV) test was performed after 7, 28, 60 and 90 days of curing to monitor the self-healing progress in the POFA-concrete. The results show that POFA-concrete witha 20% replacement level recorded the highest compressive strength. It was also revealed that the UPV readings increased significantly with increased curing age. The results showed that the selfhealing ability of pre-cracked POFA-concrete at 10% replacement level increases significantly for the water curing condition. From these findings, the optimum POFA replacement level was recorded at 20% for the strength, while inclusion of a 10% POFA replacement level was appropriate for self-healing concrete Faculty Mechanical Engineering, UMP 2014 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/8984/1/Self-Healing%20Behaviour%20Of%20Pre-Cracked%20Pofa-Concretes%20In%20Different%20Curing%20Conditions.pdf Khairul Anuar, Shahid and M. F. M., Jaafar and F. M., Yahaya (2014) Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions. Journal of Mechanical Engineering and Sciences (JMES) , 7. pp. 1227-1235. ISSN 2289-4659 (print); 2231-8380 (online) http://dx.doi.org/10.15282/jmes.7.2014.22.0120 DOI: 10.15282/jmes.7.2014.22.0120
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TA Engineering (General). Civil engineering (General)
spellingShingle	TA Engineering (General). Civil engineering (General) Khairul Anuar, Shahid M. F. M., Jaafar F. M., Yahaya Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
description	The investigation of the effect of curing conditions on self-healing of pre-cracked concrete containing palm oil fuel ash (POFA)-concrete is presented. Concrete grade 30 was used and POFA cement replaced 10%, 20% and 30% of the total weight of ordinary Portland cement [1].The compressive strength was tested after 7, 28, 60 and 90 days cured in water in order to investigate the strength development of the POFA-concretes. In addition, the pre-crack (hairline crack) concrete was examined under compression load to determine the effectiveness of self-healing POFA-concretes after different curing conditions. Four types of curing condition, namely air, room temperature, wet and dry, and water curing were tested. An ultra-pulse velocity (UPV) test was performed after 7, 28, 60 and 90 days of curing to monitor the self-healing progress in the POFA-concrete. The results show that POFA-concrete witha 20% replacement level recorded the highest compressive strength. It was also revealed that the UPV readings increased significantly with increased curing age. The results showed that the selfhealing ability of pre-cracked POFA-concrete at 10% replacement level increases significantly for the water curing condition. From these findings, the optimum POFA replacement level was recorded at 20% for the strength, while inclusion of a 10% POFA replacement level was appropriate for self-healing concrete
format	Article
author	Khairul Anuar, Shahid M. F. M., Jaafar F. M., Yahaya
author_facet	Khairul Anuar, Shahid M. F. M., Jaafar F. M., Yahaya
author_sort	Khairul Anuar, Shahid
title	Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
title_short	Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
title_full	Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
title_fullStr	Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
title_full_unstemmed	Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions
title_sort	self-healing behaviour of pre-cracked pofa-concretes in different curing conditions
publisher	Faculty Mechanical Engineering, UMP
publishDate	2014
url	http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/ http://umpir.ump.edu.my/id/eprint/8984/1/Self-Healing%20Behaviour%20Of%20Pre-Cracked%20Pofa-Concretes%20In%20Different%20Curing%20Conditions.pdf
first_indexed	2023-09-18T22:07:03Z
last_indexed	2023-09-18T22:07:03Z
_version_	1777414778085441536

Self-Healing Behaviour of Pre-Cracked Pofa-Concretes in Different Curing Conditions

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