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1704412 Vol 6 · Issue 11 Download Paper

Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application

Samson Olukayode Olopade Bolorunduro Kehinde Olayinka Olawale Olarewaju Afolayan Abayomi

Subject area: Science,Engineering and Technology  ·  Area of research: Transportation Engineering

Abstract

This study assesses the laboratory study of polymer-modified bitumen in road construction by investigating the effect of crumb rubber (usually in the range of 18 to 25% of rubber) was carefully observed at a room temperature of ?166?^0C using wet process. For years, asphalt binder has been used as the elemental material for flexible pavement. The increase in axle loads, heavy traffic, severe climate conditions, and construction failures led many researchers to seek some methods to enhance the bitumen modifications. Several laboratory tests conducted include; Penetration, Ductility, Saybolt viscosity, Ring and ball softening point, and Loss on the heating. Three (3) kilograms of natural bitumen and one (1) kilogram of granulated crumb rubber were sourced for the purpose of this study where it was varied at 0%, 2.5%, 5.0%, and 7.5% by weight. At 7.5%, the results showed improvement in the physical properties of the modified asphalt binders in terms of an increase in softening point and viscosity values. Crumb rubber has further enhanced the loss and storage modulus of the asphalt binder. All of the test results fell within the permissible range. Hence, it was decided that crumb rubber is a recommended component for asphalt mixtures.

Keywords

Crumb rubber, Bitumen, Wet process, Polymer modified bitumen, Saybolt viscosity test, Ring and ball softening test.

References

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[4] ASTM D113-17, Standard Test Method for Ductility of Asphalt Materials, ASTM International, West Conshohocken, PA, 2017, www.astm.org

[5] ASTM D5291-16, Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants, ASTM International, West Conshohocken, PA, 2016, www.astm.org

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How to cite this paper

Samson Olukayode Olopade, Bolorunduro Kehinde, Olayinka Olawale Olarewaju, Afolayan Abayomi "Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application" Iconic Research And Engineering Journals Volume 6 Issue 11 2023 Page 326-329
Samson Olukayode Olopade, Bolorunduro Kehinde, Olayinka Olawale Olarewaju, Afolayan Abayomi "Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application" Iconic Research And Engineering Journals, vol. 6, no. 11, May. 2023
Samson Olukayode Olopade, Bolorunduro Kehinde, Olayinka Olawale Olarewaju, Afolayan Abayomi (2023). Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application. Iconic Research And Engineering Journals, 6(11).
Samson Olukayode Olopade, Bolorunduro Kehinde, Olayinka Olawale Olarewaju, Afolayan Abayomi "Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application" Iconic Research And Engineering Journals, vol. 6, no. 11, May. 2023.
@article{1704412,
      author = {Samson Olukayode Olopade, Bolorunduro Kehinde, Olayinka Olawale Olarewaju, Afolayan Abayomi},
      title = {Laboratory Study of Polymer-Modified Bitumen in Road Construction: A Review on Crumb Rubber Application},
      journal = {Iconic Research And Engineering Journals},
      year = {2023},
      volume = {6},
      number = {11},
      pages = {326-329},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1704412.pdf},
      abstract = {This study assesses the laboratory study of polymer-modified bitumen in road construction by investigating the effect of crumb rubber (usually in the range of 18 to 25% of rubber) was carefully observed at a room temperature of ?166?^0C using wet process.  For years, asphalt binder has been used as the elemental material for flexible pavement. The increase in axle loads, heavy traffic, severe climate conditions, and construction failures led many researchers to seek some methods to enhance the bitumen modifications. Several laboratory tests conducted include; Penetration, Ductility, Saybolt viscosity, Ring and ball softening point, and Loss on the heating. Three (3) kilograms of natural bitumen and one (1) kilogram of granulated crumb rubber were sourced for the purpose of this study where it was varied at 0%, 2.5%, 5.0%, and 7.5% by weight. At 7.5%, the results showed improvement in the physical properties of the modified asphalt binders in terms of an increase in softening point and viscosity values. Crumb rubber has further enhanced the loss and storage modulus of the asphalt binder. All of the test results fell within the permissible range. Hence, it was decided that crumb rubber is a recommended component for asphalt mixtures.},
      keywords = {Crumb rubber, Bitumen, Wet process, Polymer modified bitumen, Saybolt viscosity test, Ring and ball softening test.},
      month = {May},
  }