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Title
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Evaluation of Moisture Damage Potential in Hot Mix Asphalt Using Polymeric Aggregate Treatment
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Sub-Title |
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Subject |
Moisture damage; hot mix asphalt; high-density polyethylene; SBR latex; indirect tensile strength test; indirect tensile modulus test; polymeric aggregate treatment
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Sub-Subject |
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Author |
Arsalan Raza 1,2, Imran Khan 1,3,4,* , Rana Faisal
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Publish Year |
2022 |
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Supervisor |
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Diss#. |
doi.org/10.3390/ma15155437 |
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Pages |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
To enhance the moisture damage performance of hot mix asphalt (HMA), treating the
aggregate surface with a suitable additive was a more convenient approach. In this research, two types
of aggregate modifiers were used to study the effect of moisture damage on HMA. Three different
aggregate sources were selected based on their abundance of use in HMA. To study the impact of
these aggregate modifiers on moisture susceptibility of HMA, the indirect tensile strength test and
indirect tensile modulus test were used as the performance tests. Moisture conditioning of specimens
was carried out to simulate the effect of moisture on HMA. The prepared samples’ tensile strength
ratio (TSR) and stiffness modulus (Sm) results indicated a decrease in the strength of the HMA after
moisture conditioning. After treating the aggregate surface with additives, an improvement was seen
in dry and wet strength and stiffness. Moreover, an increasing trend was observed for both additives.
The correlation betwee
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