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Impact of Chemical Compositions on M...

Hassan, Mohammad Nazmul.

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Impact of Chemical Compositions on Mechanical Properties of Modified Asphalt Binders.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Impact of Chemical Compositions on Mechanical Properties of Modified Asphalt Binders./
Author:	Hassan, Mohammad Nazmul.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	162 p.
Notes:	Source: Masters Abstracts International, Volume: 81-04.
Contained By:	Masters Abstracts International81-04.
Subject:	Civil engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13902931
ISBN:	9781088321119

Impact of Chemical Compositions on Mechanical Properties of Modified Asphalt Binders.
Hassan, Mohammad Nazmul.

Impact of Chemical Compositions on Mechanical Properties of Modified Asphalt Binders. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 162 p.

Source: Masters Abstracts International, Volume: 81-04.

Thesis (M.S.)--Arkansas State University, 2019.

This item must not be sold to any third party vendors.

Modified asphalt binders offer better mechanical performance in field conditions. According to many researchers, nanoclay modified asphalt binders can be a cheaper alternative of currently practiced polymer modified binders. The primary purpose of this study was to observe any changes in asphalt chemistries due to nanoclay modification and explore any correlations that may exist between chemical compositions and mechanical properties. Changes in chemical fractions were found to be source variant. Insoluble Asphaltene contents were observed to increase significantly after aging, whereas the Saturate contents decreased. Correlations were observed between mechanistic properties and chemical compositions. Moreover, aggregate-binder compatibility evaluation showed nanoclay modified binders offered better bonding with gravel than sandstone. Acidity measurement was helpful only to trace any presence of acid and the extent of modification. Furthermore, Fourier transformation infra-red spectroscopic analysis (FTIR) depicted changes in certain functional groups due to modification and aging.

ISBN: 9781088321119Subjects--Topical Terms:

860360
Civil engineering.

Impact of Chemical Compositions on Mechanical Properties of Modified Asphalt Binders.
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506 $a This item must not be sold to any third party vendors.
520 $a Modified asphalt binders offer better mechanical performance in field conditions. According to many researchers, nanoclay modified asphalt binders can be a cheaper alternative of currently practiced polymer modified binders. The primary purpose of this study was to observe any changes in asphalt chemistries due to nanoclay modification and explore any correlations that may exist between chemical compositions and mechanical properties. Changes in chemical fractions were found to be source variant. Insoluble Asphaltene contents were observed to increase significantly after aging, whereas the Saturate contents decreased. Correlations were observed between mechanistic properties and chemical compositions. Moreover, aggregate-binder compatibility evaluation showed nanoclay modified binders offered better bonding with gravel than sandstone. Acidity measurement was helpful only to trace any presence of acid and the extent of modification. Furthermore, Fourier transformation infra-red spectroscopic analysis (FTIR) depicted changes in certain functional groups due to modification and aging.
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