Full-depth flexible pavement responses to different truck tyre geometry configurations

Samer H. Dessouky; Imad L. Al-Qadi; Pyeong Jun Yoo

doi:10.1080/10298436.2013.775443

Full-depth flexible pavement responses to different truck tyre geometry configurations

Samer H. Dessouky, Imad L. Al-Qadi, Pyeong Jun Yoo

Research output: Contribution to journal › Article › peer-review

Abstract

Pavement stresses and strain responses due to tyre loading are essential data for design and performance analysis. The magnitude and distribution of these responses are primarily affected by the tyres configuration geometry. This study investigates the longitudinal strain responses at the bottom of a hot-mix asphalt layer for full-depth medium-volume flexible pavement under different truck tyres design. Pavement testing was carried out with a user-control accelerated pavement facility at various speeds and tyre inflation pressures and loading. Three truck tyre configurations: dual-tyre (11R22.5) and two wide-base tyres (425/65R22.5 and 455/55R22.5) widely used in the truck industry were examined. A 3D finite element model was developed to quantify surface stresses to loading at various critical locations in the pavement after being calibrated with the field-measured strains. Field measurements showed that the 455 wide-base tyres yield 7% more longitudinal strain than a dual-tyre assembly at the same tyre pressure.

Original language	English (US)
Pages (from-to)	512-520
Number of pages	9
Journal	International Journal of Pavement Engineering
Volume	15
Issue number	6
DOIs	https://doi.org/10.1080/10298436.2013.775443
State	Published - Jul 3 2014

Keywords

Accelerated testing
Dual tyre
Pavement responses
Wide-base tyre

ASJC Scopus subject areas

Civil and Structural Engineering
Mechanics of Materials

Online availability

10.1080/10298436.2013.775443

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title = "Full-depth flexible pavement responses to different truck tyre geometry configurations",

abstract = "Pavement stresses and strain responses due to tyre loading are essential data for design and performance analysis. The magnitude and distribution of these responses are primarily affected by the tyres configuration geometry. This study investigates the longitudinal strain responses at the bottom of a hot-mix asphalt layer for full-depth medium-volume flexible pavement under different truck tyres design. Pavement testing was carried out with a user-control accelerated pavement facility at various speeds and tyre inflation pressures and loading. Three truck tyre configurations: dual-tyre (11R22.5) and two wide-base tyres (425/65R22.5 and 455/55R22.5) widely used in the truck industry were examined. A 3D finite element model was developed to quantify surface stresses to loading at various critical locations in the pavement after being calibrated with the field-measured strains. Field measurements showed that the 455 wide-base tyres yield 7% more longitudinal strain than a dual-tyre assembly at the same tyre pressure.",

keywords = "Accelerated testing, Dual tyre, Pavement responses, Wide-base tyre",

author = "Dessouky, {Samer H.} and Al-Qadi, {Imad L.} and Yoo, {Pyeong Jun}",

note = "Funding Information: This study is based upon work supported by the Illinois Department of Transportation under contract no. IHR-R59. The contents of this paper reflect the view of the authors, who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Illinois Center for Transportation, the Illinois Department of Transportation or the Federal Highway Administration. This paper does not constitute a standard, specification or regulation.",

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N2 - Pavement stresses and strain responses due to tyre loading are essential data for design and performance analysis. The magnitude and distribution of these responses are primarily affected by the tyres configuration geometry. This study investigates the longitudinal strain responses at the bottom of a hot-mix asphalt layer for full-depth medium-volume flexible pavement under different truck tyres design. Pavement testing was carried out with a user-control accelerated pavement facility at various speeds and tyre inflation pressures and loading. Three truck tyre configurations: dual-tyre (11R22.5) and two wide-base tyres (425/65R22.5 and 455/55R22.5) widely used in the truck industry were examined. A 3D finite element model was developed to quantify surface stresses to loading at various critical locations in the pavement after being calibrated with the field-measured strains. Field measurements showed that the 455 wide-base tyres yield 7% more longitudinal strain than a dual-tyre assembly at the same tyre pressure.

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Full-depth flexible pavement responses to different truck tyre geometry configurations

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