Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture

E. Masad; E. Mahmoud; S. Nazarian

Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture

E. Masad^*, E. Mahmoud, S. Nazarian

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Citations (Scopus)

Abstract

Aggregate strength, gradation, and shape play a vital role in hot mix asphalt (HMA) performance. Many studies have demonstrated the effect of these factors on HMA performance in terms of resistance to fatigue and rutting. This paper introduces a numerical approach that account for aggregate strength, gradation, and shape to model HMA performance. The discrete element method (DEM) is the numerical tool used to achieve this approach. The approach allowed the study of the internal forces developing within the aggregate skeleton in the HMA under loading, studying the influence of aggregate strength variability on HMA performance, as well as studying the effect of blending different types of aggregates within one mix.

Original language	English
Title of host publication	Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields
Pages	367-376
Number of pages	10
Publication status	Published - 2009
Externally published	Yes
Event	8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, BCR2A'09 - Champaign, IL, United States Duration: 29 Jun 2009 → 2 Jul 2009

Publication series

Name	Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields
Volume	1

Conference

Conference	8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, BCR2A'09
Country/Territory	United States
City	Champaign, IL
Period	29/06/09 → 2/07/09

Cite this

Masad, E., Mahmoud, E., & Nazarian, S. (2009). Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture. In Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields (pp. 367-376). (Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields; Vol. 1).

Masad, E. ; Mahmoud, E. ; Nazarian, S. / Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture. Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields. 2009. pp. 367-376 (Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields).

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title = "Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture",

abstract = "Aggregate strength, gradation, and shape play a vital role in hot mix asphalt (HMA) performance. Many studies have demonstrated the effect of these factors on HMA performance in terms of resistance to fatigue and rutting. This paper introduces a numerical approach that account for aggregate strength, gradation, and shape to model HMA performance. The discrete element method (DEM) is the numerical tool used to achieve this approach. The approach allowed the study of the internal forces developing within the aggregate skeleton in the HMA under loading, studying the influence of aggregate strength variability on HMA performance, as well as studying the effect of blending different types of aggregates within one mix.",

author = "E. Masad and E. Mahmoud and S. Nazarian",

year = "2009",

language = "English",

isbn = "9780415804325",

series = "Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields",

pages = "367--376",

booktitle = "Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields",

note = "8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, BCR2A'09 ; Conference date: 29-06-2009 Through 02-07-2009",

}

Masad, E, Mahmoud, E & Nazarian, S 2009, Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture. in Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields. Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, vol. 1, pp. 367-376, 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, BCR2A'09, Champaign, IL, United States, 29/06/09.

Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture. / Masad, E.; Mahmoud, E.; Nazarian, S.
Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields. 2009. p. 367-376 (Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture

AU - Masad, E.

AU - Mahmoud, E.

AU - Nazarian, S.

PY - 2009

Y1 - 2009

N2 - Aggregate strength, gradation, and shape play a vital role in hot mix asphalt (HMA) performance. Many studies have demonstrated the effect of these factors on HMA performance in terms of resistance to fatigue and rutting. This paper introduces a numerical approach that account for aggregate strength, gradation, and shape to model HMA performance. The discrete element method (DEM) is the numerical tool used to achieve this approach. The approach allowed the study of the internal forces developing within the aggregate skeleton in the HMA under loading, studying the influence of aggregate strength variability on HMA performance, as well as studying the effect of blending different types of aggregates within one mix.

AB - Aggregate strength, gradation, and shape play a vital role in hot mix asphalt (HMA) performance. Many studies have demonstrated the effect of these factors on HMA performance in terms of resistance to fatigue and rutting. This paper introduces a numerical approach that account for aggregate strength, gradation, and shape to model HMA performance. The discrete element method (DEM) is the numerical tool used to achieve this approach. The approach allowed the study of the internal forces developing within the aggregate skeleton in the HMA under loading, studying the influence of aggregate strength variability on HMA performance, as well as studying the effect of blending different types of aggregates within one mix.

UR - http://www.scopus.com/inward/record.url?scp=84859924706&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84859924706

SN - 9780415804325

T3 - Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields

SP - 367

EP - 376

BT - Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields

T2 - 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, BCR2A'09

Y2 - 29 June 2009 through 2 July 2009

ER -

Masad E, Mahmoud E, Nazarian S. Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture. In Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields. 2009. p. 367-376. (Bearing Capacity of Roads, Railways and Airfields - Proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields).

Discrete element analysis of aggregate variability, blending, and fracture in asphalt mixture

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