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Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works

Road maintenance is an integral part of creating a good and safe road network. The quality of patching mixture is also seen as an important aspect. Existing bituminous mixture used for road maintenance tends to deteriorate after patching work is completed. This might be due to the differences in sti...

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Main Author: Usman, Nura
Format: Thesis
Language:English
English
English
Published: 2019
Subjects:
TA401-492 Materials of engineering and construction. Mechanics of materials
Online Access:http://eprints.uthm.edu.my/106/1/24p%20NURA%20USMAN.pdf
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http://eprints.uthm.edu.my/106/3/NURA%20USMAN%20WATERMARK.pdf
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spelling my.uthm.eprints.1062021-06-22T07:59:26Z http://eprints.uthm.edu.my/106/ Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works Usman, Nura TA401-492 Materials of engineering and construction. Mechanics of materials Road maintenance is an integral part of creating a good and safe road network. The quality of patching mixture is also seen as an important aspect. Existing bituminous mixture used for road maintenance tends to deteriorate after patching work is completed. This might be due to the differences in stiffness when compared to existing aged pavement. In this research, fibers made from recycled polyethylene terephthalate (PET) are used as reinforcement to increase bituminous mix stiffness and enhance the strength of road maintenance mixture. Three fiber sizes were used at different percentages namely: RPET FA (0.78 x 10mm), RPET FB (3 x 20mm) and RPET FC (3 x 10mm). Water absorption, tensile strength, specific gravity and dynamic mechanical properties tests were conducted on the fiber and found to be suitable for mixture improvements. These fibers are mixed with bituminous mixes for testing. The results showed an improvement of moisture susceptibility of RPET FC by 8%, RPET FB by 6% and RPET FA mixture by 5% compared to control mixture. For fatigue, RPET FC mixture has improved by 120% whereas for rutting resistance of RPET FC mixture has improved by 32% compared to control mixture. A field test was also conducted in this research. After 500 vehicular passes at service temperature (45oC), deformation resistance in the reinforced test pit has improved by 29%. It was found that a significant relationship between fiber properties and performance of recycled PET fiber reinforced mixtures were found. A small sized fiber seems to have less reinforcing ability while a big size fiber does not mean it will have a better ability to act as a reinforcement material. In this research, RPET FC was found to be the best sized fiber at 3mm x 10mm. Based on the findings of this research, RPET FC mixture at 0.3% and RPET FA mixture at 0.5% can be used for road maintenance. It is expected that this research will contribute towards better road maintenance works and reduce road surface defects in the future. 2019-01 Thesis NonPeerReviewed text en http://eprints.uthm.edu.my/106/1/24p%20NURA%20USMAN.pdf text en http://eprints.uthm.edu.my/106/2/NURA%20USMAN%20COPYRIGHT%20DECLARATION.pdf text en http://eprints.uthm.edu.my/106/3/NURA%20USMAN%20WATERMARK.pdf Usman, Nura (2019) Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works. Doctoral thesis, Universiti Tun Hussein Onn Malaysia.
institution Universiti Tun Hussein Onn Malaysia
building UTHM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tun Hussein Onn Malaysia
content_source UTHM Institutional Repository
url_provider http://eprints.uthm.edu.my/
language English
English
English
topic TA401-492 Materials of engineering and construction. Mechanics of materials
spellingShingle TA401-492 Materials of engineering and construction. Mechanics of materials
Usman, Nura
Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
description Road maintenance is an integral part of creating a good and safe road network. The quality of patching mixture is also seen as an important aspect. Existing bituminous mixture used for road maintenance tends to deteriorate after patching work is completed. This might be due to the differences in stiffness when compared to existing aged pavement. In this research, fibers made from recycled polyethylene terephthalate (PET) are used as reinforcement to increase bituminous mix stiffness and enhance the strength of road maintenance mixture. Three fiber sizes were used at different percentages namely: RPET FA (0.78 x 10mm), RPET FB (3 x 20mm) and RPET FC (3 x 10mm). Water absorption, tensile strength, specific gravity and dynamic mechanical properties tests were conducted on the fiber and found to be suitable for mixture improvements. These fibers are mixed with bituminous mixes for testing. The results showed an improvement of moisture susceptibility of RPET FC by 8%, RPET FB by 6% and RPET FA mixture by 5% compared to control mixture. For fatigue, RPET FC mixture has improved by 120% whereas for rutting resistance of RPET FC mixture has improved by 32% compared to control mixture. A field test was also conducted in this research. After 500 vehicular passes at service temperature (45oC), deformation resistance in the reinforced test pit has improved by 29%. It was found that a significant relationship between fiber properties and performance of recycled PET fiber reinforced mixtures were found. A small sized fiber seems to have less reinforcing ability while a big size fiber does not mean it will have a better ability to act as a reinforcement material. In this research, RPET FC was found to be the best sized fiber at 3mm x 10mm. Based on the findings of this research, RPET FC mixture at 0.3% and RPET FA mixture at 0.5% can be used for road maintenance. It is expected that this research will contribute towards better road maintenance works and reduce road surface defects in the future.
format Thesis
author Usman, Nura
author_facet Usman, Nura
author_sort Usman, Nura
title Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
title_short Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
title_full Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
title_fullStr Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
title_full_unstemmed Performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
title_sort performance of recycled polymeric fiber as reinforcement in bituminous mixture for road maintenance works
publishDate 2019
url http://eprints.uthm.edu.my/106/1/24p%20NURA%20USMAN.pdf
http://eprints.uthm.edu.my/106/2/NURA%20USMAN%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/106/3/NURA%20USMAN%20WATERMARK.pdf
http://eprints.uthm.edu.my/106/
_version_ 1738580695402414080
score 13.211869

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