Skip to main navigation Skip to search Skip to main content

Microstructure index of hot mix asphalt

  • Yue Jing Lv*
  • , Lei Zhang
  • , Xing Lin Zhou
  • *Corresponding author for this work
  • Wuhan University of Science and Technology
  • MOT

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Digital image processing technique is used to quantify the impact of aggregate gradation and compaction method on air voids distribution and aggregate orientation and distribution. The air voids distribution was found to be sensitive to water permeability than traditional volume indexes. A more orizontal orientation was found for the aggregate particles compacted in the Superpave gyratory compactor. On the other hand, aggregate particles appear to have more of a random distribution in vibratory compactor samples. Aggregate distribution was found to be sensitive to the aggregate gradation and type of compaction. Base on digital image process technique, analyze the microstructure of hot mix asphalt, and present a series of microstructure parameters including the air voids distribution, aggregate distribution and major axis angle distribution. The result illustrate that the microstructure indexes can evaluate the internal structure difference of hot mix asphalt.

Original languageEnglish
Title of host publicationRoad Materials and New Innovations in Pavement Engineering - Proceedings of the 2011 GeoHunan International Conference
Pages9-16
Number of pages8
Edition223 GSP
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 GeoHunan International Conference - Road Materials and New Innovations in Pavement Engineering - Hunan, China
Duration: 9 Jun 201111 Jun 2011

Publication series

NameGeotechnical Special Publication
Number223 GSP
ISSN (Print)0895-0563

Conference

Conference2011 GeoHunan International Conference - Road Materials and New Innovations in Pavement Engineering
Country/TerritoryChina
CityHunan
Period9/06/1111/06/11

Keywords

  • Asphalts
  • Microstructures
  • Mixing

Fingerprint

Dive into the research topics of 'Microstructure index of hot mix asphalt'. Together they form a unique fingerprint.

Cite this