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Nondestructive Testing Of Pavements Tests On Multiple Wheel Heavy Gear Load Sections And Eglin And Hurlburt Airfields
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Book Synopsis Nondestructive Testing of Pavements: Tests on Multiple-Wheel Heavy Gear Load Sections and Eglin and Hurlburt Airfields by : J. W Hall (Jr)
Download or read book Nondestructive Testing of Pavements: Tests on Multiple-Wheel Heavy Gear Load Sections and Eglin and Hurlburt Airfields written by J. W Hall (Jr) and published by . This book was released on 1972 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents results of a study to develop techniques using vibratory testing equipment for nondestructive airfield pavement evaluation. Testing was primarily concentrated on the multiple-wheel heavy gear load (MWHGL) flexible and rigid pavement test sections, but some additional tests were performed on prototype pavements at Eglin AFB, Florida, and Hurlburt Airfield, Florida. High-frequency steady-state vibration tests were used to measure shear wave velocity and dynamic moduli of elasticity were computed for each pavement layer. Low-frequency steady-state vibration tests were used to measure dynamic force and deflection on the pavement sections. (Author).
Book Synopsis Nondestructive Testing of Pavements by : Jim W. Hall
Download or read book Nondestructive Testing of Pavements written by Jim W. Hall and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-wheel Heavy Gear Load Pavement Tests by :
Download or read book Multiple-wheel Heavy Gear Load Pavement Tests written by and published by . This book was released on 1971 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flexible and rigid pavements were constructed and tested to obtain data on pavement and soil behavior under large aircraft loadings for use in developing criteria for evaluating and designing airfield pavements subjected to multiple-wheel heavy gear loads (WMHGL). The test sections incorporated instrumentation systems designed to determine the response of the pavement structures to static, dynamic (slowly moving), and vibratory loads and to traffic by full prototype loadings of a 12-wheel assembly (one main gear of a C-5A aircraft), a twin-tandem assembly (one twin-tandem component of the Boeing 747 assembly), and a single wheel. Analysis of static load response data from the flexible pavement instrumentation program resulted in the establishment of maximum elastic deflection and vertical elastic stress versus depth curves. Comparisons showed that the same relationships were true for static and dynamic load tests, as well as for speed tests. The findings for the rigid pavement test section indicated that the Westergaard algorithm can be used for reasonable predictio of pavement response to test loadings. The data from the instrumentation program and the traffic tests were used in the analysis of the flexible and rigid pavement test sections. The analysis resulted in a modification of the basic flexible pavement CBR design method. (Author).
Book Synopsis Evaluation Using Nondestructive Testing and Overlay Design by : Hisao Tomita
Download or read book Evaluation Using Nondestructive Testing and Overlay Design written by Hisao Tomita and published by . This book was released on 1983 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nondestructive Evaluation Procedure for Military Airfields by : Jim W. Hall
Download or read book Nondestructive Evaluation Procedure for Military Airfields written by Jim W. Hall and published by . This book was released on 1978 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-wheel Heavy Gear Load Pavement Tests by :
Download or read book Multiple-wheel Heavy Gear Load Pavement Tests written by and published by . This book was released on 1971 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-wheel Heavy Gear Load Pavement Tests by :
Download or read book Multiple-wheel Heavy Gear Load Pavement Tests written by and published by . This book was released on 1971 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Behavior of Pavement Materials by : Yu Tang Chou
Download or read book Engineering Behavior of Pavement Materials written by Yu Tang Chou and published by . This book was released on 1977 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-Wheel Heavy Gear Load Pavement Tests. Volume IV. Analysis of Behavior Under Traffic by :
Download or read book Multiple-Wheel Heavy Gear Load Pavement Tests. Volume IV. Analysis of Behavior Under Traffic written by and published by . This book was released on 1971 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flexible and rigid pavement test sections were constructed and tested to obtain data to validate present criteria, to establish modifications to present criteria, or to develop new criteria for the evaluation and design of airfield pavements to be subjected to multiple-wheel heavy gear loads (MWHGL). The basic CBR design method was expanded and modified to obtain a method of design for flexible pavements subject to traffic by MWHGL. The recommended method reflects a reduction of existing U.S. Army Corps of Engineers (CE) thickness requirements that is especially significant for multiple-wheel assemblies in the higher operational level. Current CE evaluation and design methods for rigid pavements are based on stress in the concrete pavement as calculated from the Westergaard analysis. (Author).
Book Synopsis The Behavior of Flexible Airfield Pavements Under Loads - Theory and Experiments by : Yu Tang Chou
Download or read book The Behavior of Flexible Airfield Pavements Under Loads - Theory and Experiments written by Yu Tang Chou and published by . This book was released on 1973 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The instrumentation data of the multiple-wheel heavy gear load (MWHGL) tests were reduced and analyzed. By incorporating the performance of test pavements under traffic, relations between load and pavement response were established. A method was developed to compute the measured stresses and deflections of the test pavements; based on the method, the stresses and deflections can be computed for similar types of airfield pavements under different loads. Correlations were established between computed parameters and traffic performance data from the MWHGL test section as well as from many other pavement tests conducted by the Corps of Engineers. Based on the instrumentation data, the principle of superposition was found to be valid for flexible pavements. Attempts were made to reevaluate the equivalent single-wheel loads for MWHGLs by many different methods. (Author).
Book Synopsis Comparative Study of Nondestructive Pavement Testing, MacDill Air Force Base, Florida by : Jim W. Hall
Download or read book Comparative Study of Nondestructive Pavement Testing, MacDill Air Force Base, Florida written by Jim W. Hall and published by . This book was released on 1987 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project is the most comprehensive single undertaking to date which is directed toward an evaluation of the validity of concepts of nondestructive evaluation of the load-carrying capacity of airfield pavements. Seven nondestructive test devices tested five sections of airfield pavements at MacDill Air Force Base (AFB) which consisted of two rigid, two flexible, and one composite pavements, ranging from 20-in. portland cement concrete (PCC) to 5.5- in. asphaltic concrete. Analytical treatments of the test data included empirical correlation analyses, and layered-elastic and finite element computer analyses. Six private firms each with a different nondestructive testing (NDT) evaluation method provided evaluation results in terms of allowable aircraft loads and overlay thicknesses. The Air Force produced one set of results using its new nondestructive pavement testing method, and Waterways Experiment Station provided three sets of results. This study has shown that NDT technology exists for evaluation of airfield pavements. For the pavements at MacDill AFB, some NDT evaluation methods agreed better with the standard test-pit method than others. However, the pavements at MacDill AFB are rather nontypical, and those NDT evaluation methods that did not give good results at MacDIll may give more agreeable results on different pavements. The lack of agreement between results of the NDT evaluation methods does justify concern and may point to the need for a standard evaluation method.
Book Synopsis Small Aperture Testing for Airfield Pavement Evaluation by : Jim W. Hall
Download or read book Small Aperture Testing for Airfield Pavement Evaluation written by Jim W. Hall and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings - Association of Asphalt Paving Technologists, Technical Sessions by : Association of Asphalt Paving Technologists
Download or read book Proceedings - Association of Asphalt Paving Technologists, Technical Sessions written by Association of Asphalt Paving Technologists and published by . This book was released on 1984 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-Wheel Heavy Gear Load Pavement Tests. Volume III. Part A. Presentation and Initial Analysis of Stress-Strain Deflection and Vibratory Measurements - Instrumentation by : Richard H. Ledbetter
Download or read book Multiple-Wheel Heavy Gear Load Pavement Tests. Volume III. Part A. Presentation and Initial Analysis of Stress-Strain Deflection and Vibratory Measurements - Instrumentation written by Richard H. Ledbetter and published by . This book was released on 1971 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flexible and rigid pavement test sections were constructed and tested to gain information on pavement and soil behavior under large aircraft loadings. These test sections incorporated instrumentation systems designed to determine the response of the pavement structures to static, dynamic (slowly moving), and vibratory loads and to traffic by full prototype loadings. The components of the instrumentation systems, their installation, and the test programs are described in this volume. (Author).
Book Synopsis List of Publications of the U.S. Army Engineer Waterways Experiment Station by : U.S. Army Engineer Waterways Experiment Station
Download or read book List of Publications of the U.S. Army Engineer Waterways Experiment Station written by U.S. Army Engineer Waterways Experiment Station and published by . This book was released on 1985 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple-Wheel Heavy Gear Load Pavement Tests. Volume III, Part B. Presentation and Initial Analysis of Stress-Strain Deflection and Vibratory Measurements. Data and Analysis by : Richard H. Ledbetter
Download or read book Multiple-Wheel Heavy Gear Load Pavement Tests. Volume III, Part B. Presentation and Initial Analysis of Stress-Strain Deflection and Vibratory Measurements. Data and Analysis written by Richard H. Ledbetter and published by . This book was released on 1971 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flexible and rigid pavement test sections were constructed and tested to gain information on pavement and soil behavior under large aircraft loadings. These test sections incorporated instrumentation systems designed to deteermine the response of the pavement structures of static, dynamic (slowly moving), and vibratory loads and to traffic by full prototype loadings. This volume covers data reduction, analysis, and the findings of the instrumentation and vibratory testing programs; Appendixes A and B contain details of instrumentation measurements for flexible and rigid pavements, respectively. (Author).
Author :ASTM Committee D-18 on Soil and Rock. Subcommittee D-4 on Road and Paving Materials Publisher :ASTM International ISBN 13 :0803118651 Total Pages :528 pages Book Rating :4.8/5 (31 download)
Book Synopsis Nondestructive Testing of Pavements and Backcalculation of Moduli by : ASTM Committee D-18 on Soil and Rock. Subcommittee D-4 on Road and Paving Materials
Download or read book Nondestructive Testing of Pavements and Backcalculation of Moduli written by ASTM Committee D-18 on Soil and Rock. Subcommittee D-4 on Road and Paving Materials and published by ASTM International. This book was released on 1994 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of June 1993 international symposium held in Atlanta, Georgia, called specifically to develop and standardized evaluation procedures for non-destructive methods of testing pavements. The 29 papers discuss analytical models and techniques, measurement and calculation techniques in the field and laboratory, problems and errors associated with backcalculation methods and design parameters, and testing for other pavement uses. Also includes a history of the quest for a standard and the status of that effort. Reproduced from typescripts. Annotation copyright by Book News, Inc., Portland, OR
