Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures

The fatigue characteristics of the stone-mastic asphalt (SMA) mixture and pavement structure are the basis of SMA mixture pavement design. However, the fatigue performance of the SMA mixture compacted by a vertical vibration compaction method (VTM) has been rarely studied. This paper presents the in...

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Main Authors: Jinshun Xue, Yingjun Jiang
Format: Article
Language:English
Published: Wiley 2022-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2022/8558296
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author Jinshun Xue
Yingjun Jiang
author_facet Jinshun Xue
Yingjun Jiang
author_sort Jinshun Xue
collection DOAJ
description The fatigue characteristics of the stone-mastic asphalt (SMA) mixture and pavement structure are the basis of SMA mixture pavement design. However, the fatigue performance of the SMA mixture compacted by a vertical vibration compaction method (VTM) has been rarely studied. This paper presents the indirect tensile fatigue test results of a laboratory investigation focused on the influence of compaction methods (Marshall compaction method, vertical vibration compaction method, and Superpave gyration compaction method), gradations (specification gradation and skeleton dense gradation), and stress levels on the fatigue performance of the SMA mixture with the nominal maximum particle size of 13.2 mm (SMA-13 mixture). Results showed that the fatigue life of the SMA-13 mixtures decreases linearly with the increase of the stress level under the same failure probability. The fatigue life of the SMA-13 mixture was 156% and 310% higher than that of the SGC and Marshall methods under the same loading stress, respectively. Furthermore, the fatigue life of the SMA-13 mixture with skeleton dense gradation was 55% higher than that of specification gradation. Through comparing the fatigue life of SMA-13 mixtures prepared under different compaction methods and gradations, the compaction methods of VTM and the skeleton dense gradation were recommended for SMA-13 mixture design.
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spelling doaj-art-9ab04b123dc24ca284044c832ea184422025-02-03T06:04:54ZengWileyAdvances in Materials Science and Engineering1687-84422022-01-01202210.1155/2022/8558296Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 MixturesJinshun Xue0Yingjun Jiang1Hubei Key Laboratory of Power System Design and Test for Electrical VehicleKey Laboratory for Special Area Highway Engineering of Ministry of EducationThe fatigue characteristics of the stone-mastic asphalt (SMA) mixture and pavement structure are the basis of SMA mixture pavement design. However, the fatigue performance of the SMA mixture compacted by a vertical vibration compaction method (VTM) has been rarely studied. This paper presents the indirect tensile fatigue test results of a laboratory investigation focused on the influence of compaction methods (Marshall compaction method, vertical vibration compaction method, and Superpave gyration compaction method), gradations (specification gradation and skeleton dense gradation), and stress levels on the fatigue performance of the SMA mixture with the nominal maximum particle size of 13.2 mm (SMA-13 mixture). Results showed that the fatigue life of the SMA-13 mixtures decreases linearly with the increase of the stress level under the same failure probability. The fatigue life of the SMA-13 mixture was 156% and 310% higher than that of the SGC and Marshall methods under the same loading stress, respectively. Furthermore, the fatigue life of the SMA-13 mixture with skeleton dense gradation was 55% higher than that of specification gradation. Through comparing the fatigue life of SMA-13 mixtures prepared under different compaction methods and gradations, the compaction methods of VTM and the skeleton dense gradation were recommended for SMA-13 mixture design.http://dx.doi.org/10.1155/2022/8558296
spellingShingle Jinshun Xue
Yingjun Jiang
Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
Advances in Materials Science and Engineering
title Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
title_full Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
title_fullStr Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
title_full_unstemmed Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
title_short Influence of Compaction, Gradations, and Stress Levels on Fatigue Performance of SMA-13 Mixtures
title_sort influence of compaction gradations and stress levels on fatigue performance of sma 13 mixtures
url http://dx.doi.org/10.1155/2022/8558296
work_keys_str_mv AT jinshunxue influenceofcompactiongradationsandstresslevelsonfatigueperformanceofsma13mixtures
AT yingjunjiang influenceofcompactiongradationsandstresslevelsonfatigueperformanceofsma13mixtures