Integrated Approach to Investigation of Effect of Salt on Bitumen Properties and Stability of Flexible Pavement in Coastal Areas

Anupam Chowdhury; K. M. Islam; M. Z. Rahaman

Integrated Approach to Investigation of Effect of Salt on Bitumen Properties and Stability of Flexible Pavement in Coastal Areas

Anupam Chowdhury * §

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K. M. Islam

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M. Z. Rahaman

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§ Rajshahi University of Engineering & Technology

Integrated Approach to Investigation of Effect of Salt on Bitumen Properties and Stability of Flexible Pavement in Coastal Areas

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Abstract

Demand for modifications is increasing throughout the world parallel to develop the existing highway materials to fulfill the increasing demand of vehicles. Some materials produce good effect and enhance the strength as well as qualities of bitumen. On the other hand, some materials are responsible for adverse effect on the bitumen. In saline areas like coastal regions, the salt plays a significant role on the bituminous pavement. In this area, the most of the highways come to contact with salts content materials. In present study, the focus was given to find the various effects of salts on bitumen and bituminous mixers. A number of samples were prepared with addition of sodium chloride with respect to 2%, 4%, 6%, 8%, and 10% weight of bitumen. To determine its behavior and suitability, a variety of tests such as penetration test, softening point test, flash point and fire point test, ductility test, specific gravity test, solubility test etc. were conducted by standard ASTM method. It was observed from laboratory test that the penetration and specific gravity value are gradually increased and ductility, flash point, fire point, and softening point was gradually decreased due to the increase of salts content in a bituminous mix. To observe the effect of salt on stability of flexible pavement Marshall Mix design method was used with varying percentage of salt content. The stability value of bituminous mixes was decreased with increase the salt content in bitumen. From the consideration of stability, maximum 2% salt in bitumen can be allowed for road construction.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Anupam Chowdhury, K. Islam, M. Rahaman. 2013. "Integrated Approach to Investigation of Effect of Salt on Bitumen Properties and Stability of Flexible Pavement in Coastal Areas". Global Journal of Research in Engineering, Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 13 (GJRE Volume 13 Issue E8).

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GJRE Volume 13 Issue E8

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

aashto bitumen bituminous mix sodium chloride stability

Classification

GJRE-E Classification FOR Code: 090599

290899

Submission ReceivedDecember 6, 2012
Peer Review Double Blind
Handling Editor
Accepted December 31, 2012
Published January 15, 2013

Version of record

v1.2

Issue date

December 27, 2013

Language

English

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Article Matrices

Total Score: 104

Country: Bangladesh

Subject: Global Journal of Research in Engineering

Authors: A. Chowdhury, K. M. Islam, M. Z. Rahaman, M. A. Sobhan (PhD/Dr. count: 0)

View Count (all-time): 362

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Publish Date: 2013 01, Tue

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Total Views: 2.2K

Total Downloads: 118

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