By Eyad Masad, Vassilis Panoskaltsis, Linbing Wang
This ''Geotechnical unique Publication'' includes papers provided in the course of 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 specialize in vital themes in pavement engineering, resembling: modeling asphalt concrete reaction on the microstructural point, improvement and numerical implementation of constitutive types, and experimental characterization of asphalt concrete below various loading and environmental stipulations. additionally they spotlight the numerical implementation of micromechanical versions that target developing the linkage among the homes of asphalt concrete ingredients and the macroscopic reaction. This court cases is a synthesis of the new advances in pavement mechanics, and may be helpful to engineers operating with pavement research, layout, and function prediction
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Extra resources for Asphalt Concrete : Simulation, Modeling, and Experimental Characterization
K. and Meegoda, J. N. (1997). "Micromechanical Simulation of Hot Mixture Asphalt," ASCE J. Engng. , 123(5), 495-503. Chang, G. K. and Meegoda, J. N. (1999). "Micro-mechanic Model For Temperature Effects of Hot Mixture Asphalt Concrete," J. Trans. Res. Record, No. , 95-103. Dai, Q. L. (2004). "Micromechanical Modeling of Constitutive and Damage Behavior of Heterogeneous Asphalt Materials", PhD Dissertation, Mechanical Engineering And Applied Mechanics, University of Rhode Island. , Parameswaran, V.
2003). D. dissertation of Department of Civil and Environmental Engineering at the University of Illinois at Urbana-Champaign, 512 pages, published by UMI, a Bell & Howell Information Company, Ann Arbor, MI, 2004. You, Z. G. (2002). "Stiffness Prediction of Hot Mixture Asphalt (HMA) Based upon Microfabric Discrete Element Modeling (MDEM)," Proc. of the 4th International Conference on Road & Airfield Pavement Technology, Vol. 1, pp. 409-417, People's Communications Publishing House, China. You, Z.
CONTINUUM MODEL DEVELOPMENT The material response is assumed to have an elastic recoverable component and a viscoplastic irrecoverable component at relatively high temperatures associated with permanent deformation. The total strain increment Ae is decomposed into elastic and viscoplastic components: where the superscript (e) refers to the elastic part and (vp) refers to the viscoplastic part. Perzyna's flow rule incorporates an overstress function and a fluidity parameter that relate the rate of viscoplastic strain to the current stresses and loading history.