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Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques

This paper presents an application of imaging techniques to investigate the distribution of reclaimed asphalt and air voids within gyratory compacted specimen. Stone Mastic Asphalt specimens containing reclaimed asphalt, were produced at five different laboratories participating in the collaborative...

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Main Authors: Abdul Hassan, Norhidayah, Khan, Rawid, Raaberg, J., Lo Presti, Davide
Format: Article
Published: Elsevier Ltd. 2015
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/58377/
http://dx.doi.org/10.1016/j.conbuildmat.2015.09.009
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spelling my.utm.583772021-08-04T05:20:39Z http://eprints.utm.my/id/eprint/58377/ Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques Abdul Hassan, Norhidayah Khan, Rawid Raaberg, J. Lo Presti, Davide TA Engineering (General). Civil engineering (General) This paper presents an application of imaging techniques to investigate the distribution of reclaimed asphalt and air voids within gyratory compacted specimen. Stone Mastic Asphalt specimens containing reclaimed asphalt, were produced at five different laboratories participating in the collaborative project Re-Road: University of Nottingham, Belgium Road Research Centre, Danish Road Directorate, TU Braunschweig and Laboratoire Centrale de Ponts et Chaussees (now IFSTTAR). This study applies the X-ray Computed Tomography and Optical Microscopy techniques to view the internal structure of the specimen with particular focus on the air voids and reclaimed asphalt distributions within the specimen. The observations revealed that with doubling the mixing time the reclaimed asphalt is well mixed with the fresh materials within the gyratory compacted specimen and also the air voids distribution along the specimen height result to be more consistent. Elsevier Ltd. 2015 Article PeerReviewed Abdul Hassan, Norhidayah and Khan, Rawid and Raaberg, J. and Lo Presti, Davide (2015) Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques. Construction And Building Materials, 99 . pp. 54-61. ISSN 0950-0618 http://dx.doi.org/10.1016/j.conbuildmat.2015.09.009 DOI:10.1016/j.conbuildmat.2015.09.009
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/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Abdul Hassan, Norhidayah
Khan, Rawid
Raaberg, J.
Lo Presti, Davide
Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
description This paper presents an application of imaging techniques to investigate the distribution of reclaimed asphalt and air voids within gyratory compacted specimen. Stone Mastic Asphalt specimens containing reclaimed asphalt, were produced at five different laboratories participating in the collaborative project Re-Road: University of Nottingham, Belgium Road Research Centre, Danish Road Directorate, TU Braunschweig and Laboratoire Centrale de Ponts et Chaussees (now IFSTTAR). This study applies the X-ray Computed Tomography and Optical Microscopy techniques to view the internal structure of the specimen with particular focus on the air voids and reclaimed asphalt distributions within the specimen. The observations revealed that with doubling the mixing time the reclaimed asphalt is well mixed with the fresh materials within the gyratory compacted specimen and also the air voids distribution along the specimen height result to be more consistent.
format Article
author Abdul Hassan, Norhidayah
Khan, Rawid
Raaberg, J.
Lo Presti, Davide
author_facet Abdul Hassan, Norhidayah
Khan, Rawid
Raaberg, J.
Lo Presti, Davide
author_sort Abdul Hassan, Norhidayah
title Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
title_short Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
title_full Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
title_fullStr Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
title_full_unstemmed Effect of mixing time on reclaimed asphalt mixtures: An investigation by means of imaging techniques
title_sort effect of mixing time on reclaimed asphalt mixtures: an investigation by means of imaging techniques
publisher Elsevier Ltd.
publishDate 2015
url http://eprints.utm.my/id/eprint/58377/
http://dx.doi.org/10.1016/j.conbuildmat.2015.09.009
_version_ 1707765841798365184
score 13.211869

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