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Flexible Pavement Performance Evaluation Using Deflection Criteria
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Book Synopsis Flexible Pavement Performance Evaluation Using Deflection Criteria by : R. J. Wedner
Download or read book Flexible Pavement Performance Evaluation Using Deflection Criteria written by R. J. Wedner and published by . This book was released on 1980 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Project monitored flexible pavement dynamic deflections, roughness, and distress over a six-year period. Results show present surface condition and serve as a basis for evaluating rehabilitation needs.
Book Synopsis An Evaluation of Flexible Pavement Performance on the Basis of Deflection Basins Using Illipave Program by : Suzanna Darmstater
Download or read book An Evaluation of Flexible Pavement Performance on the Basis of Deflection Basins Using Illipave Program written by Suzanna Darmstater and published by . This book was released on 1989 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simplified Techniques for Evaluation and Interpretation of Pavement Deflections for Network-level Analysis by :
Download or read book Simplified Techniques for Evaluation and Interpretation of Pavement Deflections for Network-level Analysis written by and published by . This book was released on 2012 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to develop an approach for incorporating techniques to interpret and evaluate deflection data for network-level pavement management system (PMS) applications. The first part of this research focused on identifying and evaluating existing techniques, seeking out those that were simple, reliable, and easy to incorporate into current PMS practices, as well as those that produced consistent results. The second part of the research detailed the development of guidelines for the application of recommended techniques and procedures for determining optimum falling weight deflectometer (FWD) test spacing and data collection frequency. While there are many viable techniques available for evaluating the structural capacity of pavements that use FWD for project-level analysis, many of these techniques are time consuming and require an experienced analyst. As a result, using pavement deflection testing for network-level analysis has been limited to date. This guide provides information for the assessment of pavement structural performance for PMS applications. It reflects the general findings presented in the accompanying final report, Simplified Techniques for Evaluation and Interpretation of Pavement Deflections for Network-Level Analysis (FHWA-HRT-12-023).
Book Synopsis Evaluation of a Dynamic Load Inducing Device by : Kamran Majidzadeh
Download or read book Evaluation of a Dynamic Load Inducing Device written by Kamran Majidzadeh and published by . This book was released on 1977 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deflections as an Indicator of Flexible Pavement Performance by : Frank Patterson Nichols
Download or read book Deflections as an Indicator of Flexible Pavement Performance written by Frank Patterson Nichols and published by . This book was released on 1962 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexible Pavement Evaluation and Overlay Design Through Deflection Measurements with the Dynaflect by : Amar C. Bhajandas
Download or read book Flexible Pavement Evaluation and Overlay Design Through Deflection Measurements with the Dynaflect written by Amar C. Bhajandas and published by . This book was released on 1971 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1982 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Statewide Flexible Pavement Performance and Deflection Study by :
Download or read book Statewide Flexible Pavement Performance and Deflection Study written by and published by . This book was released on 1978 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Applicability of AASHO Road Test Results to Corps of Engineers Flexible Pavement Design Criteria by : Philip J. Vedros
Download or read book Evaluation of Applicability of AASHO Road Test Results to Corps of Engineers Flexible Pavement Design Criteria written by Philip J. Vedros and published by . This book was released on 1966 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flexible Pavement Condition Evaluation Using Deflection Basin Parameters and Dynamic Finite Element Analysis Implemented by Artificial Neural Networks by : Ranjithan, SR.
Download or read book Flexible Pavement Condition Evaluation Using Deflection Basin Parameters and Dynamic Finite Element Analysis Implemented by Artificial Neural Networks written by Ranjithan, SR. and published by . This book was released on 2000 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a methodology based on deflection basin parameters and artificial neural networks (ANNs) for processing dynamic falling weight deflectometer (FWD) measurements to estimate layer moduli and condition. Two-dimensional, dynamic, finite element analysis using the ABAQUS program was employed to develop the deflection information for this study. Unlike the majority of the existing backcalculation programs that iteratively adjust all the layer moduli to match the measured deflections, the proposed method first determines the subgrade modulus by means of two deflection basin parameters, Base Damage Index and Shape Factor F2, and then applies the estimated subgrade modulus and other parameters as input variables to a trained ANN to estimate the upper layers' moduli. Procedures in predicting layer moduli for both two- and three-layer pavement systems are presented. Field FWD measurements were analyzed both by this method and by the MODULUS program, the results of which assess the capability of the proposed method. Effects of discontinuities in the asphalt layer on the resulting FWD deflections were also studied using the finite element method. It was discovered that distresses in the asphalt layer may be detected using two deflection basin parameters, Shape Factor F2 and AREA.
Download or read book Public Roads written by and published by . This book was released on 1989 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deflections as an Indicator of Flexible Pavement Performance by : Frank Patterson Nichols
Download or read book Deflections as an Indicator of Flexible Pavement Performance written by Frank Patterson Nichols and published by . This book was released on 1963 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Statewide Flexible Pavement Performance and Deflection Study by :
Download or read book Statewide Flexible Pavement Performance and Deflection Study written by and published by . This book was released on 1968 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Association of State Highway and Transportation Officials Publisher :AASHTO ISBN 13 :1560510552 Total Pages :622 pages Book Rating :4.5/5 (65 download)
Book Synopsis AASHTO Guide for Design of Pavement Structures, 1993 by : American Association of State Highway and Transportation Officials
Download or read book AASHTO Guide for Design of Pavement Structures, 1993 written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 1993 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Book Synopsis Flexible Pavement Design and Performance Studies, 1962 by : National Research Council (U.S.). Highway Research Board
Download or read book Flexible Pavement Design and Performance Studies, 1962 written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1962 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paper 1 reports the test methods used and results obtained in evaluating the performance of 115 mi of flexible pavement. Paper 3 describes some aspects of theoretical and experimental work carried out in South Africa, over the past four years, in a study of 'chicken net' cracking of a road surfacing, and of the flexure induced in it by wheel loads. Paper 4 evaluates design procedures presently in use in South Dakota. Paper 5: A method was developed using the Benkelman beam to measure deflection of the individual layers of the pavement structure.
Book Synopsis Deflection Analysis and Flexible Pavement Performance by : Clark Robins
Download or read book Deflection Analysis and Flexible Pavement Performance written by Clark Robins and published by . This book was released on 1964 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Evaluation of Flexible Pavement Using Deflection Basin by :
Download or read book Structural Evaluation of Flexible Pavement Using Deflection Basin written by and published by . This book was released on 1989 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a methodology for testing, evaluation and determination of overlay thickness required for a given pavement section. The overlay design procedure presented makes use of some of the recent developments for analysis and design of asphaltic concrete overlays. The evaluation of in-service pavements includes the use of the deflection parameters developed by testing of the existing pavements with known geometry for determining the moduli of various pavement layers and the required overlay thickness. The method utilizes empirical values and VESYS structural subsystem as an integral approach complementary to each other. Six pavement sections across the State of North Carolina were selected for deflection testing. Deflection parameters were developed to characterize the deflection data from these pavement sections. In addition, VESYS structural system was used to develop nomographs for the interpretation of the measured deflection basin parameters. These nomographs were used to backcalculate the layer moduli form deflection parameters and known layer thicknesses using iterative solutions. The backcalculated layer moduli from these nomographs correspond to the climate conditions that happen to exist during the time of testing and must therefore be adjusted to other climatic conditions. A procedure for such an adjustment is also included in the design procedure. Many different methods have been developed for determining an overlay thickness. These methods can be categorized in three groups : component analysis, deflection based, and analytically based. A mechanistic procedure is described in this paper. This procedure is based on the data and findings of a previous research and has been used to evaluate in-service pavements in North Carolina using Falling Weight Deflectometer (FWD) deflection parameters. The procedure includes four major parts : (a) FWD deflection parameters and data collection, (b) back-calculation of layer moduli, (c) adjustment of layer moduli and (d) prediction of overlay thickness. For the covering abstract of this Conference see IRRD abstract number 853851.
