Evaluating Iraqi Modified Asphalt Concrete Moisture Resistance Based on Strength Ratio and Fracture Energy Parameters
Joint Authors
Al-Mosawe, Hasan M.
Taki, Zahir Noori M.
Abed, Alaa H.
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-06-26
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Two types of polymers (plastomer (functionalized polyethylene (PE)) and elastomer (styrene-butadiene-styrene (SBS))) were used for shifting up asphalt binder performance grade (PG) and tensile strength resistance (moisture damage) of the asphalt concrete mixture.
It is found that adding 3.5% functionalized polyethylene (PE) polymer to the binder is more effective than adding 4% styrene-butadiene-styrene (SBS) to shift up asphalt PG by two grades to PG 76-16.
Furthermore, the viscosity of the binder increased about 200% when using 4% SBS, while there is no significant effect on viscosity when 3.5% PE is used.
Therefore, there is no need to increase the temperature of mixing and compaction which may affect polymers.
The indirect tensile test was used for measuring tensile strength ratio of dry and wet samples (conditioned according to ASTM D4867) and found that this ratio increased by 10 to 18% when using 4% SBS and 3.5% PE, respectively.
Fracture energy (area under the strength-strain curve) and elasticity were estimated for neat and modified mixture samples.
American Psychological Association (APA)
Taki, Zahir Noori M.& Abed, Alaa H.& Al-Mosawe, Hasan M.. 2019. Evaluating Iraqi Modified Asphalt Concrete Moisture Resistance Based on Strength Ratio and Fracture Energy Parameters. Advances in Civil Engineering،Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1117368
Modern Language Association (MLA)
Taki, Zahir Noori M.…[et al.]. Evaluating Iraqi Modified Asphalt Concrete Moisture Resistance Based on Strength Ratio and Fracture Energy Parameters. Advances in Civil Engineering No. 2019 (2019), pp.1-7.
https://search.emarefa.net/detail/BIM-1117368
American Medical Association (AMA)
Taki, Zahir Noori M.& Abed, Alaa H.& Al-Mosawe, Hasan M.. Evaluating Iraqi Modified Asphalt Concrete Moisture Resistance Based on Strength Ratio and Fracture Energy Parameters. Advances in Civil Engineering. 2019. Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1117368
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1117368