Deformation Behavior Of Asphaltic Concrete Under Triaxial Compression
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Deformation Behavior Of Asphaltic Concrete Under Triaxial Compression
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Author :
language : en
Publisher:
Release Date : 1985
Deformation Behavior Of Asphaltic Concrete Under Triaxial Compression written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
Behavior Of Asphalt Concrete Mixtures In Triaxial Compression
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Author : S-A Tan
language : en
Publisher:
Release Date : 1994
Behavior Of Asphalt Concrete Mixtures In Triaxial Compression written by S-A Tan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Asphalt categories.
The triaxial compression test is one of the most common standard tests for determining the stress-strain behavior and strength parameters of soils under drained and undrained conditions. The use of the test method in asphaltic mixtures is less well known and seldom practiced. This paper describes the use of the triaxial compression test for asphaltic mixtures for determining their engineering properties such as the friction angle ?, the cohesion, c, and the elastic compression modulus, E. Effects of test temperatures, strain rate, and confining pressures on the compressive behavior of asphalt concrete were studied. The results showed that the friction angle is primarily a function of aggregate friction and interlocking, being independent of test temperature and strain rate. The cohesion, on the other hand, is largely dependent on the binder and fines mixture being sensitive to both test temperature and strain rate changes. The confining pressures have no influence on c and ?, but have significant influence on the compression modulus. E. The tests can be conducted at controlled temperatures, constant strain-rate, and confining pressures so as to allow the determination of the basic engineering stress-strain and strength properties of these materials under controlled environmental conditions. Using these properties, a constitutive plasticity model based on the Drucker-Prager yield condition can then be applied in an axisymmetric finite element model to describe the mechanical behavior of the asphaltic material in triaxial compression. Analysis shows that the plasticity model is able to describe the stress-strain behavior of the triaxial specimen to failure, predicting both the failure strain and the failure stress fairly accurately. Comparison of analysis with measured lateral deformation at failure also show good agreement. Thus it seems that a simple idealized elastic-perfectly-plastic constitutive model, whose parameters can be determined from a triaxial compression test at constant strain-rate, is adequate to describe the behavior of asphaltic mixtures, loaded in compression to failure.
Deformation And Volume Change Characteristics Of A Sand Asphalt Mixture Under Constant Direct And Triaxial Compressive Stresses
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Author : Yang Hsien Huang
language : en
Publisher:
Release Date : 1968
Deformation And Volume Change Characteristics Of A Sand Asphalt Mixture Under Constant Direct And Triaxial Compressive Stresses written by Yang Hsien Huang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Asphalt emulsion mixtures categories.
Viscoelastic Analysis Of Triaxial Tests On Asphalt Concrete
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Author : Jong Ryeol Kim
language : en
Publisher:
Release Date : 1995
Viscoelastic Analysis Of Triaxial Tests On Asphalt Concrete written by Jong Ryeol Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Characterization Of Asphalt Concrete By Multi Stage True Triaxial Testing
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Author : L. Wang
language : en
Publisher:
Release Date : 2005
Characterization Of Asphalt Concrete By Multi Stage True Triaxial Testing written by L. Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Anisotropy categories.
The feasibility of an existing servo-controlled true triaxial (cubical) apparatus for evaluating the mechanical response of nominal 4-in. cubical specimens of asphalt concrete (AC) under multi-axial stress states has been investigated. The apparatus allows the testing of specimens along a wide range of stress paths and stress levels that are not achievable in a conventional uniaxial or cylindrical apparatus. A multi-stage testing scheme can be followed by simultaneous control of the major, intermediate, and minor principal stresses directly applied to the specimens. Two cubical AC specimens cut from two WesTrack block samples were subjected to a series of multi-stage stress paths that included triaxial compression (TC), triaxial extension (TE), simple shear (SS), conventional triaxial compression (CTC), conventional triaxial extension (CTE), and cyclic conventional triaxial extension (CCTE). Experimental data were analyzed to assess volumetric creeping properties, resilient response, plastic deformation response, Poisson's ratio, loss angle, and dilatancy of asphalt concrete under general stress states. Test results highlight the potential of the cubical cell for mechanical characterization of asphalt concrete in a broad range of applications involving true triaxial stress states. Analysis of test results indicates all of the following: (a) Modulus of AC shows significant anisotropy in different orientations; (b) Volumetric creeping of AC is considerably significant at relatively high pressures; (c) AC shows significant dilatancy; and (d) Cubical Device can distinguish mixes of different performance.
Asphalt Aggregate Mixture Analysis System Aamas
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Author : National Research Council (U.S.). Transportation Research Board
language : en
Publisher: Transportation Research Board
Release Date : 1991
Asphalt Aggregate Mixture Analysis System Aamas written by National Research Council (U.S.). Transportation Research Board and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Technology & Engineering categories.
Introduction To Unmanned Aircraft Systems Second Edition
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Author : Douglas M. Marshall
language : en
Publisher: CRC Press
Release Date : 2015-10-26
Introduction To Unmanned Aircraft Systems Second Edition written by Douglas M. Marshall and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-26 with Political Science categories.
The proliferation of technological capability, miniaturization, and demand for aerial intelligence is pushing unmanned aerial systems (UAS) into the realm of a multi-billion dollar industry. This book surveys the UAS landscape from history to future applications. It discusses commercial applications, integration into the national airspace system (NAS), System function, operational procedures, safety concerns, and a host of other relevant topics. The book is dynamic and well-illustrated with separate sections for terminology and web- based resources for further information.
Asphalt Paving Technology
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Author : Association of Asphalt Paving Technologists
language : en
Publisher:
Release Date : 2003
Asphalt Paving Technology written by Association of Asphalt Paving Technologists and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Pavements, Asphalt categories.
Proceedings Association Of Asphalt Paving Technologists Technical Sessions
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Author : Association of Asphalt Paving Technologists
language : en
Publisher:
Release Date : 1988
Proceedings Association Of Asphalt Paving Technologists Technical Sessions written by Association of Asphalt Paving Technologists and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Pavements, Asphalt categories.
Limits Of Linear Viscoelastic Behavior Pf An Asphalt Concrete In Tension And Compression
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Author : Robert Louis Alexander
language : en
Publisher:
Release Date : 1964
Limits Of Linear Viscoelastic Behavior Pf An Asphalt Concrete In Tension And Compression written by Robert Louis Alexander and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Asphalt categories.