Incorporation of Additives and Fibers in Porous Asphalt Mixtures: A Review

Anik Gupta, Jorge Rodriguez-Hernandez, Daniel Castro-Fresno

Research output: Contribution to journalArticle

1 Citation (Scopus)
7 Downloads (Pure)

Abstract

Despite the numerous benefits for preserving the hydrological cycle, permeable pavement systems (PPSs) found their major application in parking spots and for light traffic scenarios due to their limited durability and strength. To make the PPSs suitable for heavy traffic conditions without significant distresses, research is shifting toward the adoption of novel binders and additives for designing multifunctional porous asphalt mixtures which make up the surface course of PPSs. Certain additives are well known for enhancing the durability of dense graded asphalt mixtures and improving fatigue and rutting resistance. However, the studies on the influence of additives on abrasion resistance and binder draindown, which are the common problems in porous asphalt mixtures (PAMs), are still not well established. This paper summarizes best practices performed on PAMs and recommends possible future research directions for its improvement. Particular emphasis is placed on strength and resilience of PAMs by incorporating additives like nanosilica, crumb rubber, warm-mix additives, fibers (such as cellulose, glass, steel, and synthetic fibers), and some eco-friendly materials. It was found that different additives seem to have different effects on the properties of PAMs. Moreover, the combination of additives has synergistic benefits for the performance of PAMs, especially in urban pavements
Original languageEnglish
Article number3156
Number of pages20
JournalMaterials
Volume12
Issue number19
DOIs
Publication statusPublished - 27 Sep 2019
Externally publishedYes

Fingerprint

Asphalt mixtures
Fibers
Pavements
Binders
Durability
Steel fibers
Synthetic fibers
Parking
Rubber
Cellulose
Glass fibers
Wear resistance
Fatigue of materials

Bibliographical note

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords

  • permeable pavement systems;
  • porous asphalt mixtures
  • fibers
  • additives

Cite this

Incorporation of Additives and Fibers in Porous Asphalt Mixtures: A Review. / Gupta, Anik; Rodriguez-Hernandez, Jorge; Castro-Fresno, Daniel.

In: Materials, Vol. 12, No. 19, 3156, 27.09.2019.

Research output: Contribution to journalArticle

Gupta, Anik ; Rodriguez-Hernandez, Jorge ; Castro-Fresno, Daniel. / Incorporation of Additives and Fibers in Porous Asphalt Mixtures: A Review. In: Materials. 2019 ; Vol. 12, No. 19.
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