Laboratory Validation of an Endurance Limit for Asphalt Pavements (2013) / Chapter Skim
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1 Bottom-up fatigue cracking is one of the main distress types in flexible pavement. Current design methods of flexible pavement assume that cumulative damage occurs where each load cycle uses up a portion of the finite fatigue life of the asphalt layer regardless of load magnitude or traffic volume.
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2different conditions and accounting for healing. Also, the literature does not provide a clear relationship between endurance limit and healing, which is one of the main contributions of this research.
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3 occurs during the rest period after each load application. A larger separation between the two curves indicates more healing, and vice versa.
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4Volumetric Property Binder Type Specifications PG 58-28 PG 64-22 PG 76-16 Target Asphalt Content (%) 4.8 4.5 4.7 4.5-5.5 Bulk Specific Gravity (Gmb)
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