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Effects of air void and porosity on moisture damage of Malaysian specialty HMA

One of the main causes of distress in asphalt pavements is damage due to water. This causes related to many effects. The study evaluates different type of asphalt mixtures towards the resistance to moisture damage. The approach is to investigate the relationship between air void and porosity against...

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Main Author: Abdulgader Dow, Hamed
Format: Thesis
Language:English
Published: 2008
Subjects:
TA Engineering (General). Civil engineering (General)
TE Highway engineering. Roads and pavements
Online Access:http://eprints.utm.my/id/eprint/12199/1/HamedAbdulgaderDowMFKA2008.pdf
http://eprints.utm.my/id/eprint/12199/
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spelling my.utm.121992018-06-29T21:51:14Z http://eprints.utm.my/id/eprint/12199/ Effects of air void and porosity on moisture damage of Malaysian specialty HMA Abdulgader Dow, Hamed TA Engineering (General). Civil engineering (General) TE Highway engineering. Roads and pavements One of the main causes of distress in asphalt pavements is damage due to water. This causes related to many effects. The study evaluates different type of asphalt mixtures towards the resistance to moisture damage. The approach is to investigate the relationship between air void and porosity against the abrasion resistance and indirect tensile strength. The evaluation of such properties concentrates on the following three tests; porosity test, indirect tensile test (IDT) and CANTABRO test (CAT) .Three different wearing courses with modified asphalt which porous asphalt (PA),stone mastic asphalt (SMA) and gap-graded asphalt (GPA) that classified by (JKR/SPJ/2007) are studied. These three mixtures were designed by means of Superpave method to determine OBC. After that Specimens were prepared by means of Superpave Gyratory Compactor (SGC) and divided in two different subsets for controlled dry and wet conditioned testing and tested for water damage. Results provide relationship between porosity and air voids for PA mixture. In addition, study also able to establish good models for SMA and GPA mixes compared to other researcher (Walaa,2002). SMA and GPA mixtures (low porosity) showed less influence to moisture damage probably due to the reduce amount of penetrating water. The IDT and CAT are able to discriminate between mixtures of different porosity. 2008-11 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/12199/1/HamedAbdulgaderDowMFKA2008.pdf Abdulgader Dow, Hamed (2008) Effects of air void and porosity on moisture damage of Malaysian specialty HMA. Masters thesis, Universiti Teknologi Malaysia, Faculty of Civil Engineering.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TA Engineering (General). Civil engineering (General)
TE Highway engineering. Roads and pavements
spellingShingle TA Engineering (General). Civil engineering (General)
TE Highway engineering. Roads and pavements
Abdulgader Dow, Hamed
Effects of air void and porosity on moisture damage of Malaysian specialty HMA
description One of the main causes of distress in asphalt pavements is damage due to water. This causes related to many effects. The study evaluates different type of asphalt mixtures towards the resistance to moisture damage. The approach is to investigate the relationship between air void and porosity against the abrasion resistance and indirect tensile strength. The evaluation of such properties concentrates on the following three tests; porosity test, indirect tensile test (IDT) and CANTABRO test (CAT) .Three different wearing courses with modified asphalt which porous asphalt (PA),stone mastic asphalt (SMA) and gap-graded asphalt (GPA) that classified by (JKR/SPJ/2007) are studied. These three mixtures were designed by means of Superpave method to determine OBC. After that Specimens were prepared by means of Superpave Gyratory Compactor (SGC) and divided in two different subsets for controlled dry and wet conditioned testing and tested for water damage. Results provide relationship between porosity and air voids for PA mixture. In addition, study also able to establish good models for SMA and GPA mixes compared to other researcher (Walaa,2002). SMA and GPA mixtures (low porosity) showed less influence to moisture damage probably due to the reduce amount of penetrating water. The IDT and CAT are able to discriminate between mixtures of different porosity.
format Thesis
author Abdulgader Dow, Hamed
author_facet Abdulgader Dow, Hamed
author_sort Abdulgader Dow, Hamed
title Effects of air void and porosity on moisture damage of Malaysian specialty HMA
title_short Effects of air void and porosity on moisture damage of Malaysian specialty HMA
title_full Effects of air void and porosity on moisture damage of Malaysian specialty HMA
title_fullStr Effects of air void and porosity on moisture damage of Malaysian specialty HMA
title_full_unstemmed Effects of air void and porosity on moisture damage of Malaysian specialty HMA
title_sort effects of air void and porosity on moisture damage of malaysian specialty hma
publishDate 2008
url http://eprints.utm.my/id/eprint/12199/1/HamedAbdulgaderDowMFKA2008.pdf
http://eprints.utm.my/id/eprint/12199/
_version_ 1643645886493884416
score 13.211869

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