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Book Synopsis Pavement Condition Evaluation Utilizing Dynamic Deflection Measurements by : Kamran Majidzadeh
Download or read book Pavement Condition Evaluation Utilizing Dynamic Deflection Measurements written by Kamran Majidzadeh and published by . This book was released on 1977 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, the research efforts were directed toward the development of pavement condition evaluation techniques and analysis procedures for flexible and rigid overlay pavement design. This investigation also included a detailed field evaluation of an experimental portland cement concrete pavement and the analysis of deflection responses of various test sites. A stepwise regression analysis was carried out to evaluate the relative significance of various design and construction variables on the pavement deflection under load. Various techniques recommended for pavement condition evaluation of pavement structures is reviewed and the Lin-Majidzadeh investigation of dimensional analysis using the pi term concept is presented.
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 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.
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 Dynamic Pavement Deflection Measurements by : Vernon J. Marks
Download or read book Dynamic Pavement Deflection Measurements written by Vernon J. Marks and published by . This book was released on 1977 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Condition Measurement Needs and Methods by :
Download or read book Pavement Condition Measurement Needs and Methods written by and published by . This book was released on 1978 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was to investigate current practice, select the best techniques, and recommend equipment and methodology suitable for pavement condition evaluation. It consisted of visits to chosen States to determine pavement properties that can be measured and provide data for management decisions. The information collected was supplemented with a literature search and a limited firsthand review of equipment in use. The recommended roadway property measurements needed for pavement condition evaluation as inputs to pavement management systems are skid resistance, roughness, structural capacity, and pavement distress used to assist in pavement repair strategy. Suggestions on data processing, storage, and retrieval are also given in the report.
Book Synopsis A Structural Evaluation Methodology for Pavements Based on Dynamic Deflections by : Waheed Uddin
Download or read book A Structural Evaluation Methodology for Pavements Based on Dynamic Deflections written by Waheed Uddin and published by . This book was released on 1985 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Condition Measurement Needs and Methods by :
Download or read book Pavement Condition Measurement Needs and Methods written by and published by . This book was released on 1978 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Evaluation Using Dynamic Deflections by : Gary W. Sharpe
Download or read book Pavement Evaluation Using Dynamic Deflections written by Gary W. Sharpe and published by . This book was released on 1978 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Maintenance and Rehabilitation by : Bernard F. Kallas
Download or read book Pavement Maintenance and Rehabilitation written by Bernard F. Kallas and published by ASTM International. This book was released on 1985 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Evaluation Using Deflection Basin Measurements and Layered Theory by : Albert Jasper Bush
Download or read book Pavement Evaluation Using Deflection Basin Measurements and Layered Theory written by Albert Jasper Bush and published by . This book was released on 1985* with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nondestructive Testing of Pavements and Backcalculation of Moduli by : Shiraz D. Tayabji
Download or read book Nondestructive Testing of Pavements and Backcalculation of Moduli written by Shiraz D. Tayabji and published by ASTM International. This book was released on 2000 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: As with the previous two symposia, the 32 papers from the June/July, 1999, Seattle symposium present advances in the nondestructive testing of pavements using conventional falling weight deflectometer techniques and other promising techniques such as ground penetrating radar, rolling weight deflecto
Book Synopsis Development and Implementation of a System for Evaluation of Maintenance Repair Needs and Priorities by : Kamran Majidzadeh
Download or read book Development and Implementation of a System for Evaluation of Maintenance Repair Needs and Priorities written by Kamran Majidzadeh and published by . This book was released on 1979 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings for the Tri-Regional Pavement Rehabilitation Conference, May 14-17, 1984, Oklahoma City, Oklahoma by :
Download or read book Proceedings for the Tri-Regional Pavement Rehabilitation Conference, May 14-17, 1984, Oklahoma City, Oklahoma written by and published by . This book was released on 1984 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pavement Deflection Evaluations by : R. Clark Graves
Download or read book Pavement Deflection Evaluations written by R. Clark Graves and published by . This book was released on 1992 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study a procedure has been developed to evaluate the structural condition of pavements using Road Rater deflection measurements. These procedures compare actual field deflections with deflections calculated by the Chevron N-Layer linear elastic computer program. The results obtained from these procedures are the layer moduli of the pavement materials. Procedures have been developed for asphaltic concrete pavements and composite pavements, including broken and non-broken concrete layers. This report also contains a comparison of structural overlay determined using the results of the new procedure, with overlays calculated using results from the 2-3 Projected procedure currently used by the Pavement Management branch of the Kentucky Transportation Cabinet. A users manual from the computer programs developed during this study is included in the appendix of the report.
Book Synopsis Pavement Condition Measurement Needs and Methods by :
Download or read book Pavement Condition Measurement Needs and Methods written by and published by . This book was released on 1978 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Pavement Deflection Measuring Equipment by :
Download or read book Evaluation of Pavement Deflection Measuring Equipment written by and published by . This book was released on 1987 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents the research performed on evaluation of pavement deflection equipment under Contract DTFH61-85-C-00115 for the Federal Highway Administration. The following devices were included in side-by-side field tests conducted in the Austin, Texas area during the week of August 11, 1986: the Benkelman Beam, C.E.B.T.P. Curviameter, Dynaflect, Dynatest Falling Weight Deflectometer (FWD), Kuab FWD, Phonix FWD, and the Road Rater. The report includes descriptions and comparisons of the devices through information obtained from a literature search, field tests and user survey conducted for this study. The side-by-side test program was performed over a broad range of pavement structures, including thick and thin flexible and rigid pavements, and composite pavements. The measured deflections were compared statistically. Mechanistic interpretations of the measured deflection basins were made and compared.
