Use of Nonuniform Stress-State Tests to Determine Fracture Energy of Asphalt Mixtures Accurately

2010 ◽  
Vol 2181 (1) ◽  
pp. 55-66 ◽  
Author(s):  
Chulseung Koh ◽  
Reynaldo Roque
Keyword(s):  
Stress State ◽  
Fracture Energy ◽  
Asphalt Mixtures ◽  
Nonuniform Stress ◽  
State Tests

Simulation of Fracture Initiation in Hot-Mix Asphalt Mixtures

2003 ◽  
Vol 1849 (1) ◽  
pp. 183-190 ◽  
Author(s):  
Bjorn Birgisson ◽  
Chote Soranakom ◽  
John A. L. Napier ◽  
Reynaldo Roque
Keyword(s):  
Tensile Strength ◽  
Boundary Element Method ◽  
Energy Density ◽  
Fracture Energy ◽  
Boundary Element ◽  
Fracture Initiation ◽  
Asphalt Mixtures ◽  
Displacement Discontinuity ◽  
Cracking Behavior ◽  
Element Method

A displacement discontinuity boundary element method is presented to explicitly model the microstructure of asphalt mixtures and to predict their tensile strength and fracture energy density. The loading response of three mixtures was simulated to assess the mechanics of fracture in the Superpave indirect tension test. The predicted tensile strength and fracture energy density of three samples were comparable with the test results for the samples. The predicted crack initiation and crack propagation patterns are consistent with observed cracking behavior. The results also imply that fracture in mixtures can be modeled effectively using a micromechanical approach that allows for crack growth both along aggregate surfaces and through the aggregates. Finally, the nonlinear Mohr–Coulomb type of failure envelope used to model the mastic appears to result in reasonable predictions. It can be concluded that the explicit fracture modeling with the displacement discontinuity boundary element method has the potential to evaluate the mechanics of fracture in asphalt mixtures.

Deformation and stability of technologically imperfect cylindrical shells in a nonuniform stress state

1990 ◽  
Vol 22 (12) ◽  
pp. 1745-1750 ◽  
Author(s):  
V. I. Mossakovskii ◽  
A. M. Mil'tsyn ◽  
V. I. Olevskii
Keyword(s):  
Stress State ◽  
Cylindrical Shells ◽  
Nonuniform Stress

Fracture energy density of interstitial component of asphalt mixtures

2018 ◽  
Vol 51 (5) ◽  
Author(s):  
Yu Yan ◽  
Francesco Preti ◽  
Elena Romeo ◽  
George Lopp ◽  
Gabriele Tebaldi ◽  
...  
Keyword(s):  
Energy Density ◽  
Fracture Energy ◽  
Asphalt Mixtures ◽  
Interstitial Component

Shear fracture energy of asphalt-aggregate systems and its application to predicting shear fatigue in asphalt mixtures

2018 ◽  
Vol 21 (2) ◽  
pp. 246-256 ◽  
Author(s):  
Mansheng Dong ◽  
Yanhai Hao ◽  
Chao Zhang ◽  
Linglin Li ◽  
Wei Sun ◽  
...  
Keyword(s):  
Fracture Energy ◽  
Shear Fracture ◽  
Asphalt Mixtures ◽  
Shear Fatigue
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