Modeling Of Asphalt Concrete
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Modeling Of Asphalt Concrete
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Author : Y. Richard Kim
language : en
Publisher:
Release Date : 2000
Modeling Of Asphalt Concrete written by Y. Richard Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Modeling And Design Of Flexible Pavements And Materials
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Author : Dallas N. Little
language : en
Publisher: Springer
Release Date : 2017-09-25
Modeling And Design Of Flexible Pavements And Materials written by Dallas N. Little and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-25 with Technology & Engineering categories.
This textbook lays out the state of the art for modeling of asphalt concrete as the major structural component of flexible pavements. The text adopts a pedagogy in which a scientific approach, based on materials science and continuum mechanics, predicts the performance of any configuration of flexible roadways subjected to cyclic loadings. The authors incorporate state-of the-art computational mechanics to predict the evolution of material properties, stresses and strains, and roadway deterioration. Designed specifically for both students and practitioners, the book presents fundamentally complex concepts in a clear and concise way that aids the roadway design community to assimilate the tools for designing sustainable roadways using both traditional and innovative technologies.
Characterization And Modeling Of Asphalt Concrete From Micro To Macro Scale
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Author : Gustavo Canon Falla
language : en
Publisher:
Release Date : 2021
Characterization And Modeling Of Asphalt Concrete From Micro To Macro Scale written by Gustavo Canon Falla and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Experimental Investigation And Constitutive Modeling Of Asphalt Concrete Mixtures In Uniaxial Tension
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Author :
language : en
Publisher:
Release Date : 2004
Experimental Investigation And Constitutive Modeling Of Asphalt Concrete Mixtures In Uniaxial Tension written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Performance modeling of asphalt concrete pavements is one of the most difficult, but important tasks facing pavement engineers. Experiences at North Carolina State University suggest that this task is best accomplished by utilizing two separate models; one to account for the material behavior and another to account for boundary conditions, such as tire-pavement interaction, temperature gradient along the layer thickness, pavement structural design, etc. The material characterization model should focus on the material irrespective of geometry, i.e., fundamental properties. The structural model should be robust enough to account for the range of conditions experienced by pavements in service. Two peer-reviewed and published papers are presented here which deal with the development of a constitutive material model for asphalt concrete. In the first, the viscoelastoplastic continuum damage model in tension is applied to materials from the Federal Highway Administration's Accelerated Load Facility study on modified mixture performance. It is shown that the material model is capable of describing the behavior of the tested mixtures over a range of conditions from primarily viscoelastic to primarily viscoplastic. Further, the model shows sensitivity to changes in asphalt binder and the ability to predict the behavior of asphalt concrete mixtures containing polymer modified binder. The second paper presents results from an experimental study of anisotropy in asphalt concrete. Anisotropy occurs due to the preferential orientation of aggregate particles in the mixture and is found to have varying levels of significance depending on both the mode of loading and the levels of deformation applied. In the linear viscoelastic range, anisotropy is found to have little effect on the material behavior, whereas under monotonic compressive loading until failure, it is found to contribute significantly. Further, it is found that temperature and rate affect the significance of anisotropy.
Multiscale Constitutive Modeling Of Asphalt Concrete
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Author : Benjamin Shane Underwood
language : en
Publisher:
Release Date : 2011
Multiscale Constitutive Modeling Of Asphalt Concrete written by Benjamin Shane Underwood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Fracture Modeling Of Asphalt Concrete With Heterogeneous Microstructure
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Author : Jian Wang
language : en
Publisher:
Release Date : 2015
Fracture Modeling Of Asphalt Concrete With Heterogeneous Microstructure written by Jian Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Aggregates (Building materials) categories.
Understanding fracture resistance of asphalt concrete is of great importance in designing pavements with long service life. This thesis focused on studying the micro and global fracture behavior of heterogeneous asphalt concrete with a numerical analysis approach. Finite element (FE) models were built with the capacity of taking heterogeneity into consideration. The asphalt concrete was modeled as a multi-phase material with coarse aggregates and fine aggregate matrix (FAM). Viscoelastic properties were assigned to the FAM. Different damage models were incorporated to study fracture at two length scales: micro-fracture within FAM and coarse aggregate-FAM interface under small displacement and global fracture resistance in the semi-circular bending (SCB) test. For micro-fracture simulation, asphalt mixture was modeled with both adhesive and cohesive failure potential. Two different fracture models, cohesive zone model (CZM) and extended finite element model (XFEM), were adopted to simulate fracture damage within the FAM (cohesive failure) and at the FAM-aggregate interface (adhesive failure), respectively. For global fracture properties, the SCB test was simulated to predict the crack propagation pattern and the load-crack mouth opening displacement (CMOD) curve of asphalt concrete. Parametric studies with different material properties of FAM and coarse aggregates-FAM interface, morphological characteristics of coarse aggregates, and testing conditions (loading rate and temperature) were carried out to study their effects on fracture behavior of asphalt concrete. The numerical models provide an effective method to study fracture mechanism of heterogeneous asphalt concrete and generates meaningful findings. The development of cracking shows that the damage in the FAM material would initiate first at a small displacement and then interconnect with the damage developed at the FAM-aggregate interface. The higher angularity and larger aggregate size induces the greater damage level; while the orientation angle along with aspect ratio has influence on the anisotropic behavior of asphalt concrete. On the other hand, the SCB test simulations show good agreements with experimental results in the literature. Increasing fracture strength and energy of FAM significantly improves fracture resistance of asphalt concrete. The spatial distribution and angularity of coarse aggregate affect crack path; while the gradation and size of coarse aggregate affect fracture strength of asphalt concrete.
Micromechanical Finite Element Modeling Of Asphalt Concrete Materials Considering Moisture Presence
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Author :
language : en
Publisher:
Release Date : 2014
Micromechanical Finite Element Modeling Of Asphalt Concrete Materials Considering Moisture Presence written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Modeling Of Asphalt Concrete
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Author : Y. Richard Kim
language : en
Publisher: McGraw Hill Professional
Release Date : 2007-09-22
Modeling Of Asphalt Concrete written by Y. Richard Kim and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-22 with Technology & Engineering categories.
An Expert Guide to Developing More-Durable and Cost-Effective Asphalt Pavements Written by distinguished experts from countries around the world, Modeling of Asphalt Concrete presents in-depth coverage of the current materials, methods, and models used for asphalt pavements. Included is state-of-the-art information on fundamental material properties and mechanisms affecting the performance of asphalt concrete, new rheological testing and analysis techniques, constitutive models, and performance prediction methodologies for asphalt concrete and asphalt pavements. Emphasis is placed on the modeling of asphalt mixes for specific geographic/climatic requirements. In light of America's crumbling infrastructure and our heavy usage of asphalt as a paving material, this timely reference is essential for the development of more-durable and cost-effective asphalt materials for both new construction and rehabilitation. Harness the Latest Breakthroughs in Asphalt Concrete Technology: • Asphalt Rheology • Constitutive Models • Stiffness Characterization • Models for Low-Temperature Cracking • Models for Fatigue Cracking and Moisture Damage • Models for Rutting and Aging
Uniaxial Constitutive Modeling Of Asphalt Concrete Using Viscoelasticity And Continuum Damage Theory
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Author : Hyun-Jong Lee
language : en
Publisher:
Release Date : 1996
Uniaxial Constitutive Modeling Of Asphalt Concrete Using Viscoelasticity And Continuum Damage Theory written by Hyun-Jong Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Evaluation Of Healing And Constitutive Modeling Of Asphalt Concrete By Means Of The Theory Of Nonlinear Viscoelasticity And Damage Mechanics
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Author : Youngsoo Richard Kim
language : en
Publisher:
Release Date : 1988
Evaluation Of Healing And Constitutive Modeling Of Asphalt Concrete By Means Of The Theory Of Nonlinear Viscoelasticity And Damage Mechanics written by Youngsoo Richard Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Asphalt concrete categories.