An Analysis Of Dynamic Displacements Measured Within Pavement Structures
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An Analysis Of Dynamic Displacements Measured Within Pavement Structures
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Author : Frank H. Scrivner
language : en
Publisher:
Release Date : 1973
An Analysis Of Dynamic Displacements Measured Within Pavement Structures written by Frank H. Scrivner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Pavements categories.
Pavement Response To Aircraft Dynamic Loads
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Author : Richard Ledbetter
language : en
Publisher:
Release Date : 1976
Pavement Response To Aircraft Dynamic Loads written by Richard Ledbetter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Pavements categories.
Instrumented aircraft were used to apply static and dynamic loads to instrumented pavement structures (both flexible and rigid) at the National Aviation Facilities Experimental Center (NAFEC), Atlantic City, N.J. Volume I of this report describes the testing program and instrumentation systems. Volume II with Appendixes A and B presents the reduction and analysis of data and the test results. This volume contains a compendium of the entire study. Measurements of displacement, velocity, pressure and temperature were made in the two pavement structures. Two phases of material behavior, elastic and inelastic, in both flexible and rigid pavement structures were identified. Each phase had to be treated independently for a full analysis of the static and dynamic load test results.
Proceedings Of The Pavement Management Workshop
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Author : Ronald L. Terrel
language : en
Publisher:
Release Date : 1978
Proceedings Of The Pavement Management Workshop written by Ronald L. Terrel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Pavements categories.
Public Roads
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Author :
language : en
Publisher:
Release Date : 1974
Public Roads written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Highway research categories.
Analysis Of Pavement Structures
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Author : Animesh Das
language : en
Publisher: CRC Press
Release Date : 2023-05-31
Analysis Of Pavement Structures written by Animesh Das and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-31 with Technology & Engineering categories.
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.
A Technique For Measuring The Displacement Vector Throughout The Body Of A Pavement Structure Subjected To Cyclic Loading
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Author : William Michael Moore
language : en
Publisher:
Release Date : 1971
A Technique For Measuring The Displacement Vector Throughout The Body Of A Pavement Structure Subjected To Cyclic Loading written by William Michael Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Pavements categories.
Dynamics Of Pavement Structures
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Author : Gustav Martincek
language : en
Publisher: CRC Press
Release Date : 2010-02-25
Dynamics Of Pavement Structures written by Gustav Martincek and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-02-25 with Architecture categories.
This book presents a rigorous treatment of the fundamental, mathematical behaviour of pavement structures under dynamic loading. The topic is of growing importance in economic design of aircraft runways and highway pavements. A range of modelling approaches are presented and compared with experimental data.
Annual Listing Of Research Studies And Reports From The Texas Cooperative Transportation Research Program In Cooperation With The Federal Highway Administration And Technical Studies Performed In Cooperation With The Urban Mass Transportation Administration
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Author : Texas Cooperative Transportation Research Program
language : en
Publisher:
Release Date : 1979
Annual Listing Of Research Studies And Reports From The Texas Cooperative Transportation Research Program In Cooperation With The Federal Highway Administration And Technical Studies Performed In Cooperation With The Urban Mass Transportation Administration written by Texas Cooperative Transportation Research Program and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Highway engineering categories.
Report No Fhwa Rd
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Author : United States. Federal Highway Administration. Offices of Research and Development
language : en
Publisher:
Release Date : 1979
Report No Fhwa Rd written by United States. Federal Highway Administration. Offices of Research and Development and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Evaluation Of Mechanisms Governing The Stabilization Of Unbound Aggregate Bases By Geogrids In Flexible Pavements
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Author : Subramanian Sankaranarayanan
language : en
Publisher:
Release Date : 2023
Evaluation Of Mechanisms Governing The Stabilization Of Unbound Aggregate Bases By Geogrids In Flexible Pavements written by Subramanian Sankaranarayanan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
The benefits of using geosynthetics to stabilize the unbound aggregate layers in flexible pavements, in terms of improvement to pavement life or potential decrease in layer thickness, have been well documented. Early research focused on developing ratios such as the traffic benefit ratio (TBR) or the layer coefficient ratio (LCR) to quantify (empirically) the benefits of including geogrids, and for their use in the design of flexible pavements with those geogrids. However, the lack of a mechanistic understanding of geogrid-stabilization and the empirical nature of this data limited their use to the geogrids and pavement materials that were used to develop them. With the proliferation of different geogrid products and pavement materials, the scope of the early research has become limited and attempts to correlate the properties of the geogrids and pavement materials to the improvement in performance of the pavement have not been successful. This study aims to further the understanding of the mechanisms involved in geogrid-stabilization and to identify the mechanistically relevant properties that contribute to this stabilization. Accelerated pavement tests are conducted, using the model mobile load simulator (MLS11), on reduced-scale pavement test sections with and without geogrids for stabilization under controlled, laboratory conditions. The performance of the pavement sections is evaluated by monitoring the deformation of the surface, the internal particle displacements (within the base), and the dynamic increase in stress (within the pavement structure) for increasing traffic volume. The deformation of the surface is obtained by profiling the surface of the pavement at regular traffic intervals using a laser profilometer, designed and built in-house for this study. A unique cost-effective displacement measuring technique is developed and implemented to obtain the horizontal displacement data of particles in the base. The data from the dense array of the particle tracking sensors is used to generate the horizontal displacement field, horizontal normal strain field and shear transfer efficiency plots in the base. The vertical stress distribution is obtained from the earth pressure cells installed within the pavement structure that are monitored for dynamic stress responses with applied traffic. The inclusion of the stabilizing geogrid resulted in reduced rut development, reduced particle displacements within the base and a wider distribution of the applied load for similar traffic volumes in the control and stabilized sections. The improvement in pavement life due to the stabilization of the base by the geogrid is quantified as the traffic benefit ratio (TBR). The TBRs are determined for seven different geogrids from the accelerated pavement tests, and correlated with the most commonly used in-isolation properties of the geogrid (geometric and tensile properties), and interaction properties of the geogrid-base aggregate composite. The TBRs are found to be best correlated to the coefficients of soil-geosynthetic composite stiffness (K [subscript SGC]) obtained from the soil-geosynthetic interaction tests