Download e-book for kindle: Asphalt Concrete : Simulation, Modeling, and Experimental by Eyad Masad, Vassilis Panoskaltsis, Linbing Wang

By Eyad Masad, Vassilis Panoskaltsis, Linbing Wang

ISBN-10: 0784408254

ISBN-13: 9780784408254

This ''Geotechnical targeted Publication'' includes papers provided throughout the symposium on Mechanics of versatile Pavements, a part of the 2005 Joint ASME/ASCE/SES convention on Mechanics and fabrics, held in Baton Rouge, Louisiana on June 1-3, 2005. The papers during this booklet specialise in very important themes in pavement engineering, akin to: modeling asphalt concrete reaction on the microstructural point, improvement and numerical implementation of constitutive types, and experimental characterization of asphalt concrete below diversified loading and environmental stipulations. additionally they spotlight the numerical implementation of micromechanical versions that target setting up the linkage among the homes of asphalt concrete materials and the macroscopic reaction. This lawsuits is a synthesis of the hot advances in pavement mechanics, and should be necessary to engineers operating with pavement research, layout, and function prediction

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Extra resources for Asphalt Concrete : Simulation, Modeling, and Experimental Characterization

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And Shukla, A. (2005). "Prediction of Damage Behaviors in Asphalt Materials using a Finite Element Micromechanical Model and Image Analysis", Journal of Engineering Mechanics, ASCE, to be appear. H. (2004). "Parametric Model Study of Microstructure Effects On Damage Behavior of Asphalt Samples", International Journal of Pavement Engineering, Vol. 5(1), pp. 19-30. , Z. R. Kim. (2002). "Towards a Micromechanics-Based Procedure to Characterize Fatigue Performance of Asphalt Concrete," Proc. 81st Transportation Research Board Annual Meeting, Washington.

For example, Oda (1972) found that maximum dilation occurred when the preferred orientation of particles coincided with the ASPHALT CONCRETE 48 horizontal direction and the major principal stress was imposed in the vertical direction. The dilation parameter p can be determined experimentally from a triaxial test using the ratio of lateral and uniaxial viscoplastic strain rate as follows: Fig. 2. Relationship between Dilation Parameter and Anisotropy for d = 1. PARAMETRIC ANALYSIS The model is implemented in FE analysis by using an implicit numerical integration algorithm, called Euler backward method, carried out in a time-step control.

36 mm) MODULUS PREDICTION OF THE MIXTURE COMPARED WITH MEASUREMENTS It should be noted that, this study is to compare the mixture moduli from laboratory measurements and FE prediction at several pre-selected temperatures and loading frequencies, similar as the work done by You and Buttlar (2004). In addition, the mastic moduli measured from laboratory material testing are used as input parameters for the FE simulation. The moduli measurements of viscoelastic mastic material vary with loading frequencies and temperatures.

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Asphalt Concrete : Simulation, Modeling, and Experimental Characterization by Eyad Masad, Vassilis Panoskaltsis, Linbing Wang

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