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).

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:

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).

Download or read book Multiple wheel Heavy Gear Load Pavement Tests written by Richard Glen Ahlvin and published by . This book was released on 1971 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Multiple wheel Heavy Gear Load Pavement Tests written by George M. Hammitt and published by . This book was released on 1971 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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).

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).

Download or read book Multiple wheel Heavy Gear Load Pavement Tests written by R. H. Ledbetter and published by . This book was released on 1971 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Multiple wheel Heavy Gear Load Pavement Tests written by R. H. Ledbetter and published by . This book was released on 1971 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

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).

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).

Download or read book Significant Findings from Full scale Accelerated Pavement Testing written by Frederick Hugo and published by Transportation Research Board. This book was released on 2004 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 325: Significant Findings from Full-Scale Accelerated Pavement Testing documents and summarizes the findings from the various experimental activities associated with full-scale accelerated pavement testing programs.

Download or read book Accelerated Pavement Testing to Transport Infrastructure Innovation written by Armelle Chabot and published by Springer Nature. This book was released on 2020-08-25 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gathers the latest advances, innovations, and applications in the field of accelerated pavement testing (APT), presented at the 6th International Conference on Accelerated Pavement Testing, in Nantes, France, in April 2022. Discussing APT, which involves rapid testing of full-scale pavement constructions for structural deterioration, the book covers topics such as APT facilities, APT of asphalt concrete and sustainable/innovative materials, APT for airfield pavements, testing of maintenance and rehabilitation solutions, testing of smart and multi-functional pavements, data analysis and modeling, monitoring and non-destructive testing, and efficient means of calibrating/developing pavement design methods. Featuring peer-reviewed contributions by leading international researchers and engineers, the book is a timely and highly relevant resource for materials scientists and engineers interested in determining the performance of pavement structures during their service life (10+ years) in a few weeks or months.

Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1974 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Procedures for Development of CBR Design Curves written by A. Taboza Pereira and published by . This book was released on 1977 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Instruction Report written by Waterways Experiment Station (U.S.) and published by . This book was released on 1977 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: