Crack initiation in asphalt mixtures under external compressive loads

Zhang, Yuqing, Luo, Xue, Luo, Rong and Lytton, Robert L. (2014). Crack initiation in asphalt mixtures under external compressive loads. Construction and Building Materials, 72 , pp. 94-103.


Crack initiation was studied for asphalt mixtures under external compressive loads. High tensile localized stresses e direction of the external loads. A quantitative crack initiation criterion the edges of compressed air voids lead to the growth of wing cracks in thon was derived using pseudostrain energy balance principle. Bond energy is determined and it increases with aging and loading rate while decreases with temperature. Cohesive and adhesive cracking occur simultaneously and a method was proposed to determine the individual percentage. The crack initiation criterion is simplified and validated through comparing the predicted and measured compressive strength of the asphalt mixtures.

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Divisions: Engineering & Applied Sciences
Additional Information: © 2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Uncontrolled Keywords: asphalt mixtures,bond energy,compressive loads,compressive strength,crack initiation,pseudostrain energy,Civil and Structural Engineering,Building and Construction,Materials Science(all)
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2014-12-15
Authors: Zhang, Yuqing ( 0000-0001-5825-0131)
Luo, Xue
Luo, Rong
Lytton, Robert L.

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