<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Jordan's road network continues to deteriorate as a consequence of the continuous increase in traffic and the absence of adequate maintenance work. The primary objective of this study was to enhance HMA performance by using polymer-modified asphalt mixtures. The polymer modifier known commercially as Eastman (EE-2) was mixed with binder penetration grade (60–70) at a ratio of 12%. In order to investigate the performance of polymer, the dynamic creep, the resilient modulus and the stability-flow tests were performed. Marshall Mix design was utilized to prepare a total of 50 samples, of which 20 were used to determine the optimal binder content, and the remaining samples were used to determine the effect of EE-2 modifier on asphalt mixtures. The results showed that the optimal asphalt content was 4.57 percent and revealed that the addition of EE-2 polymer to asphalt cement contributed to the production of a variety of desirable properties. The most important indicator of these developments is increased rutting resistance. For instance, the total permanent deformation has decreased by 87% (8500 to 1000 μm). Conversely, addition of EE-2 has resulted in a threefold increase in the resilience modulus (from 3632 to 10590 MPa). Finally, effect of the EE-2 polymer on the stability was demonstrated by increasing the stability value by about 52%</p>
</abstract>

Jordan's road network continues to deteriorate as a consequence of the continuous increase in traffic and the absence of adequate maintenance work. The primary objective of this study was to enhance HMA performance by using polymer-modified asphalt mixtures. The polymer modifier known commercially as Eastman (EE-2) was mixed with binder penetration grade (60–70) at a ratio of 12%. In order to investigate the performance of polymer, the dynamic creep, the resilient modulus and the stability-flow tests were performed. Marshall Mix design was utilized to prepare a total of 50 samples, of which 20 were used to determine the optimal binder content, and the remaining samples were used to determine the effect of EE-2 modifier on asphalt mixtures. The results showed that the optimal asphalt content was 4.57 percent and revealed that the addition of EE-2 polymer to asphalt cement contributed to the production of a variety of desirable properties. The most important indicator of these developments is increased rutting resistance. For instance, the total permanent deformation has decreased by 87% (8500 to 1000 μm). Conversely, addition of EE-2 has resulted in a threefold increase in the resilience modulus (from 3632 to 10590 MPa). Finally, effect of the EE-2 polymer on the stability was demonstrated by increasing the stability value by about 52%

Investigating the Dynamic Creep of Polymer Modified Hot Mix Asphalt

Munib and Angela Masri Faculty of Engineering, Aqaba University of Technology

Department of Civil Engineering, Faculty of Engineering

Department of Civil Engineering, Faculty of Civil Engineering

Civil and Environmental Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Investigating the Dynamic Creep of Polymer Modified Hot Mix Asphalt"}

Jordan's road network continues to deteriorate as a consequence of the continuous increase in traffic and the absence of adequate maintenance work. The primary...

Investigating the Dynamic Creep of Polymer Modified Hot Mix Asphalt

Data publikacji: 26 cze 2024

Zakres stron: 387 - 396

DOI: https://doi.org/10.2478/cee-2024-0030

Słowa kluczowe
Asphalt Mixture, Polymer, Dynamic Creep, Resilient Modulus, Rutting

© 2024 Ghassan Suleiman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Investigating the Dynamic Creep of Polymer Modified Hot Mix Asphalt

Data publikacji: 26 cze 2024

Zakres stron: 387 - 396

DOI: https://doi.org/10.2478/cee-2024-0030

Słowa kluczoweAsphalt Mixture, Polymer, Dynamic Creep, Resilient Modulus, Rutting

© 2024 Ghassan Suleiman et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Słowa kluczowe
Asphalt Mixture, Polymer, Dynamic Creep, Resilient Modulus, Rutting