Laboratory Validation of an Endurance Limit for Asphalt Pavements PDF Download
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Author: Matthew W. Witczak
Publisher:
ISBN: 9780309283663
Category : Asphalt
Languages : en
Pages : 26
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 762: Laboratory Validation of an Endurance Limit for Asphalt Pavements presents models for the hot-mix asphalt fatigue endurance limit that are responsive to asphalt binder and mixture properties and healing between load cycles and are suitable for incorporation as algorithms in Pavement Mechanistic-Empirical Design and other design methods."--Publisher information.
Author: Matthew W. Witczak
Publisher:
ISBN: 9780309283663
Category : Asphalt
Languages : en
Pages : 26
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 762: Laboratory Validation of an Endurance Limit for Asphalt Pavements presents models for the hot-mix asphalt fatigue endurance limit that are responsive to asphalt binder and mixture properties and healing between load cycles and are suitable for incorporation as algorithms in Pavement Mechanistic-Empirical Design and other design methods."--Publisher information.
Author:
Publisher:
ISBN:
Category : Electronic book
Languages : en
Pages :
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Book Description
Author: Matthew W. Witczak
Publisher:
ISBN: 9780309283663
Category : Technology & Engineering
Languages : en
Pages : 44
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Book Description
"TRB's National Cooperative Highway Research Program (NCHRP) Report 762: Laboratory Validation of an Endurance Limit for Asphalt Pavements presents models for the hot-mix asphalt fatigue endurance limit that are responsive to asphalt binder and mixture properties and healing between load cycles and are suitable for incorporation as algorithms in Pavement Mechanistic-Empirical Design and other design methods."--Publisher information.
Author: Brian D. Prowell
Publisher: Transportation Research Board
ISBN: 0309118212
Category : Technology & Engineering
Languages : en
Pages : 139
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Book Description
At head of title: National Cooperative Highway Research Program.
Author: Animesh Das
Publisher: CRC Press
ISBN: 1000853209
Category : Technology & Engineering
Languages : en
Pages : 181
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Book Description
Analysis of Pavement Structures brings together current research and existing knowledge on the analysis and design of pavements and introduces load and thermal stress analyses of asphalt and concrete pavement structures in a simple and step-by-step manner. For the second edition of this book, a new chapter on numerical implementation (using FEM) of pavement analysis is added along with topics such as mechanical modeling of granular materials, applications of convolution theorems in visco-elasticity, visco-elastic Poisson’s ratio, concepts of fracture mechanics in relation to fatigue of asphalt mix, solution of semi-infinite and so forth. New solved examples and schematic diagrams are also added. Features: Presents a simple, step-by-step approach for pavement analysis including systematic compilation of research work in the area Discusses further elaborations in terms of extended analytical formulations on some selected topics Includes new chapter on finite element analysis for pavement structures Contains more solved examples to understand the concepts better Explores primary application of pavement analysis in pavement thickness design This book is aimed at graduate students, structural mechanics researchers, and senior undergraduate students in civil/pavement/highway/transport engineering.
Author: Eugene L. Skok
Publisher: DEStech Publications, Inc
ISBN: 1605950688
Category : Science
Languages : en
Pages : 801
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Book Description
Author: José P. Aguiar-Moya
Publisher: Springer
ISBN: 3319427970
Category : Technology & Engineering
Languages : en
Pages : 877
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Book Description
This compendium gathers the latest advances in the area of Accelerated Pavement Testing (APT), a means of testing full-scale pavement construction in an accelerated manner for structural deterioration in a very short term. Compiling novel research results presented at the 5th International Conference on Accelerated Pavement Testing, San Jose, Costa Rica, the volume serves as a timely and highly relevant resource for materials scientists and engineers interested in determining the performance of a pavement structure during its service life (10+ years) in a few weeks or months.
Author: Inge Hoff
Publisher: CRC Press
ISBN: 100073871X
Category : Technology & Engineering
Languages : en
Pages : 673
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Book Description
Innovations in Road, Railway and Airfield Bearing Capacity – Volume 3 comprises the third part of contributions to the 11th International Conference on Bearing Capacity of Roads, Railways and Airfields (2022). In anticipation of the event, it unveils state-of-the-art information and research on the latest policies, traffic loading measurements, in-situ measurements and condition surveys, functional testing, deflection measurement evaluation, structural performance prediction for pavements and tracks, new construction and rehabilitation design systems, frost affected areas, drainage and environmental effects, reinforcement, traditional and recycled materials, full scale testing and on case histories of road, railways and airfields. This edited work is intended for a global audience of road, railway and airfield engineers, researchers and consultants, as well as building and maintenance companies looking to further upgrade their practices in the field.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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Book Description
Author: Mena Souliman
Publisher:
ISBN:
Category : Asphalt concrete
Languages : en
Pages : 235
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Book Description
One of the main requirements of designing perpetual pavements is to determine the endurance limit of Hot Mix Asphalt (HMA). The purpose of this study was to validate the endurance limit for HMA using laboratory beam fatigue tests. A mathematical procedure was developed to determine the endurance limit of HMA due to healing that occurs during the rest periods between loading cycles. Relating healing to endurance limit makes this procedure unique compared to previous research projects that investigated these concepts separately. An extensive laboratory testing program, including 468 beam tests, was conducted according to AASHTO T321-03 test procedure. Six factors that affect the fatigue response of HMA were evaluated: binder type, binder content, air voids, test temperature, rest period and applied strain. The endurance limit was determined when no accumulated damage occurred indicating complete healing. Based on the test results, a first generation predictive model was developed to relate stiffness ratio to material properties. A second generation stiffness ratio model was also developed by replacing four factors (binder type, binder content, air voids, and temperature) with the initial stiffness of the mixture, which is a basic material property. The model also accounts for the nonlinear effects of the rest period and the applied strain on the healing and endurance limit. A third generation model was then developed by incorporation the number of loading cycles at different locations along the fatigue degradation curve for each test in order to account for the nonlinearity between stiffness ratio and loading cycles. In addition to predicting endurance limit, the model has the ability to predict the number of cycles to failure at any rest period and stiffness combination. The model was used to predict fatigue relationship curves for tests with rest period and determining the K1, K2, and K3 fatigue cracking coefficients. The three generation models predicted close endurance limit values ranging from 22 to 204 micro strains. After developing the third generation stiffness ratio model, the predicted endurance limit values were integrated in the strain-Nf fatigue relationships as a step toward incorporating the endurance limit in the MEPDG software. The results of this study can be used to design perpetual pavements that can sustain a large number of loads if traffic volumes and vehicle weights are controlled.
