OPTIMIZATION OF RECLAMED ASPHALT AND FT PARAFFIN FOR PERMANENT DEFORMATION AND MOISTURE DAMAGE OF ASPHALT MIXES

Authors

  • Fazal Haq Post Graduate Student & Research Assistant (Corresponding Author), National Institute of Transportation, SCEE, NUST Campus H- 12, Islamabad, Pakistan
  • Arshad Hussain Assistant Professor, National Institute of Transportation, SCEE, NUST Campus H-12, Islamabad, Pakistan
  • Muhammad Bilal Khurshid Associate Professor, National Institute of Transportation, SCEE, NUST Campus H-12, Islamabad, Pakistan

DOI:

https://doi.org/10.14311/CEJ.2018.03.0037

Keywords:

HMA, WMA, Sasobit, Permanent deformation, Rutting, Moisture damage

Abstract

Recycling of Reclaimed Asphalt Pavement (RAP) provides us the need to save valuable aggregate and the help of which the use of expensive bituminous binder will be reduced as well. In this study we have considered one WMA additive (Sasobit). The rut resistance of mixes was improved by adding either RAP or Sasobit or both as compared to control asphalt mixes. For lower contents of RAP i.e. up to 15 %, highest rut resistances was observed at 2 % Sasobit addition, and for higher content of RAP highest rut resistance was observed at 3 % Sasobit addition. On the other hand, increasing RAP and Sasobit content increased the moisture susceptibility of mixes, so best recommended combination is to use 30-40 % RAP in addition of 3 % Sasobit as far as permanent deformation and moisture susceptibility criteria are concerned.

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References

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Published

2018-10-31

How to Cite

Haq, F., Hussain, A., & Khurshid, M. B. (2018). OPTIMIZATION OF RECLAMED ASPHALT AND FT PARAFFIN FOR PERMANENT DEFORMATION AND MOISTURE DAMAGE OF ASPHALT MIXES. Stavební Obzor - Civil Engineering Journal, 27(3). https://doi.org/10.14311/CEJ.2018.03.0037

Issue

Vol. 27 No. 3 (2018)

Section

Articles

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