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Use Of Nondestructive Evaluation To Detect Moisture In Flexible Pavements
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Book Synopsis Use of Nondestructive Evaluation to Detect Moisture in Flexible Pavements by : Brian K. Diefenderfer
Download or read book Use of Nondestructive Evaluation to Detect Moisture in Flexible Pavements written by Brian K. Diefenderfer and published by . This book was released on 2006 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to identify the currently available nondestructive evaluation technology that holds the greatest potential to detect moisture in flexible pavements and then apply the technology in multiple locations throughout Virginia. Ground-penetrating radar (GPR) was chosen for use in a field investigation because of its ability to measure large areal extents and reports of successful implementation by other researchers. This technology was used to determine the moisture content of the subgrade beneath five flexible pavement sections in Virginia. The GPR survey was conducted at normal driving speeds, and data were collected at a sampling rate of 1 scan per foot. For each site, three scans were collected in the travel lane (in the right wheel path, the center of the lane, and in the left wheel path). Existing passing lanes were also scanned. Initial data processing subdivided each pavement section into a three-layer system composed of the hot-mix asphalt layers, the aggregate base layers, and the subgrade. The processing also included calculating the dielectric constant of each layer. These raw data were used to conduct further analyses considering data from only the subgrade. The data were normalized to highlight those areas with the highest dielectric constants since it is known that moisture will have the greatest influence on the dielectric properties of the material. This study showed that GPR can identify areas of varying dielectric constant attributed to variations in the moisture content of the subgrade of various pavement sections. The use of the GPR offered a safe and rapid means for nondestructively surveying large areas of pavement as the survey was conducted at normal driving speeds. In addition, the use of a statistically based data normalization procedure allowed GPR to be used to assess qualitatively the moisture condition of the subgrade of flexible pavements. Two advantages of GPR testing are that it can be used to provide a continuous reading of subgrade moisture conditions (rather than a point location) and can be performed at highway speeds with no traffic control. A typical network-level study involving one subgrade bore per mile would cost $1,200 per location. The cost for the current study averaged $0.04 per data point. Assuming one data point every foot and three scans per lane, the resultant cost was approximately $680 per mile. VDOT maintains approximately 225 lane-miles of flexible pavement with subsurface drainage layers and does not routinely inspect the condition of the outlet pipes. In approximately 1 workday, a two-person crew could use a push camera to inspect approximately 5 lane-miles worth of outlet pipes for subsurface drainage layers or the GPR system could scan approximately 330 lane-miles (assuming operation at 55 mph for 6 hours). Thus, the entire system of flexible pavement with subsurface drainage could be inspected in approximately 2% of the time.
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 Nondestructive Testing of Pavements and Backcalculation of Moduli by : Albert Jasper Bush
Download or read book Nondestructive Testing of Pavements and Backcalculation of Moduli written by Albert Jasper Bush and published by ASTM International. This book was released on 1989 with total page 701 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Academies of Sciences, Engineering, and Medicine Publisher :Transportation Research Board ISBN 13 :0309273404 Total Pages :774 pages Book Rating :4.3/5 (92 download)
Book Synopsis Nondestructive Testing to Identify Delaminations between HMA Layers by : National Academies of Sciences, Engineering, and Medicine
Download or read book Nondestructive Testing to Identify Delaminations between HMA Layers written by National Academies of Sciences, Engineering, and Medicine and published by Transportation Research Board. This book was released on 2022 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, describes development of nondestructive testing techniques that are capable of detecting and quantifying delaminations in HMA pavements. This NDT technique is applicable to construction, project design, and network-level assessments. This e-book contains 5 different volumes, the last 4 involving more technical descriptions of the project.
Book Synopsis Non-Destructive Techniques for the Evaluation of Structures and Infrastructure by : Belén Riveiro
Download or read book Non-Destructive Techniques for the Evaluation of Structures and Infrastructure written by Belén Riveiro and published by CRC Press. This book was released on 2016-04-04 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview and up-to-date synthesis of the most commonly used non-destructive technologies for the reverse engineering of built infrastructure facilities. These technologies tackle both the geometric and radiometric characterization of built structures, and thus, validated technologies such as laser scanning, photogrammetry, and
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
Book Synopsis Non-Destructive Testing in Civil Engineering 2000 by : T. Uomoto
Download or read book Non-Destructive Testing in Civil Engineering 2000 written by T. Uomoto and published by Elsevier. This book was released on 2000-03-31 with total page 697 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first international symposium on NDT-CE (Non-Destructive Testing in Civil Engineering) was held in Berlin, Germany in 1991. Successive symposia were held throughout Europe until 1997. This, the 5th symposium is organized as SEIKEN SYMPOSIUM No. 26, and is sponsored by the Institute of Industrial Science, at the University of Tokyo, Japan. Original objectives of the NDT-CE symposium have been to provide an opportunity for discussing current issues and future perspectives of NDT and for promoting mutual understanding among engineers and researchers. Asia is one of the key regions for further development in NDT and this symposium in Japan will be a good opportunity not only to exchange technical information on NDT, but to promote worldwide friendship between engineers in Asian countries and other nations of the world. This volume contains 70 papers providing the most recent research results and findings. The papers are grouped under the following areas: (1) keynote papers, (2) magnetic / electric, (3) steel structures, (4) integrated test, (5) moisture, (6) strength, (7) acoustic emission, (8) various tests, (9) ultrasonic, (10) impact echo, (11) radar, (12) quality and (13) corrosion / cover.
Author :United States. Federal Highway Administration. Offices of Research and Development Publisher : ISBN 13 : Total Pages :258 pages Book Rating :4.3/5 (91 download)
Book Synopsis Report No. FHWA-RD. by : United States. Federal Highway Administration. Offices of Research and Development
Download or read book Report No. FHWA-RD. written by United States. Federal Highway Administration. Offices of Research and Development and published by . This book was released on 1974 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Flexible Pavement Conference, Waterways Experiment Station, Vicksburg, Mississippi, 12-13 July 1960 by :
Download or read book Report of Flexible Pavement Conference, Waterways Experiment Station, Vicksburg, Mississippi, 12-13 July 1960 written by and published by . This book was released on 1960 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nondestructive Testing and Evaluation of Fiber-Reinforced Composite Structures by : Shuncong Zhong
Download or read book Nondestructive Testing and Evaluation of Fiber-Reinforced Composite Structures written by Shuncong Zhong and published by Springer Nature. This book was released on 2022-04-01 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a detailed description of the most common nondestructive testing(NDT) techniques used for the testing and evaluation fiber-reinforced composite structures, during manufacturing and/or in service stages. In order to facilitate the understanding and the utility of the different NDT techniques presented, the book first provides some information regarding the defects and material degradation mechanisms observed in fiber-reinforced composite structures as well as their general description and most probable causes. It is written based on the extensive scientific research and engineering backgrounds of the authors in the NDT and structural health monitoring (SHM) of structural systems from various areas including electrical, mechanical, materials, civil and biomedical engineering. Pursuing a rigorous approach, the book establishes a fundamental framework for the NDT of fiber-reinforced composite structures, while emphasizing on the importance of technique’s spatial resolution, integrated systems analysis and the significance of the influence stemming from the applicability of the NDT and the physical parameters of the test structures in the selection and utilization of adequate NDT techniques. The book is intended for students who are interested in the NDT of fiber-reinforced composite structures, researchers investigating the applicability of different NDT techniques to the inspections of structural systems, and NDT researchers and engineers working on the optimization of NDT systems for specific applications involving the use of fiber-reinforced composite structures.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation Publisher : ISBN 13 : Total Pages :892 pages Book Rating :4.:/5 (327 download)
Book Synopsis The National Highway System and Ancillary Issues Relating to Highway and Transit Programs by : United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation
Download or read book The National Highway System and Ancillary Issues Relating to Highway and Transit Programs written by United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Surface Transportation and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities by : Rexford M. Morey
Download or read book Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities written by Rexford M. Morey and published by Transportation Research Board. This book was released on 1998 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to state Department of Transportation (DOT) geotechnical, bridge, and pavement engineers, engineering geologists, consultants involved with ground penetrating radar (GPR) investigations for state DOTs, and researchers. It describes the current state of the practice of using GPR for evaluating subsurface conditions for transportation facilities. This was accomplished by conducting a literature search and review and an extensive survey of U.S. and Canadian transportation agencies and practitioners, as well as limited international information collection. GPR is a noninvasive nondestructive tool used in transportation applications such as evaluation and characterization of pavement systems, soils, and environmental problems. This report of the Transportation Research Board presents information on the principles, equipment, logistics, applications, and limitations of GPR pertaining to transportation applications. Selected case studies for which ground truth information is available are presented. In addition, an extensive bibliography and glossary are provided as well as appending information about GPR manufacturers from their literature.
Book Synopsis NDT Technology for Quality Assurance of HMA Pavement Construction by : Harold L. Von Quintus
Download or read book NDT Technology for Quality Assurance of HMA Pavement Construction written by Harold L. Von Quintus and published by Transportation Research Board. This book was released on 2009 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: At head of title: National Cooperative Highway Research Program
Book Synopsis Structural Materials Technology by : Paul E. Hartbower
Download or read book Structural Materials Technology written by Paul E. Hartbower and published by CRC Press. This book was released on 2020-08-23 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of papers presented in the NDT Conference held on February 20-23, 1996 at San Diego, California. The conference provided an opportunity to share experience and provide additional input to the Federal Highway Administration.
Book Synopsis Airfield Pavement Evaluation Concepts by :
Download or read book Airfield Pavement Evaluation Concepts written by and published by . This book was released on 1988 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Sensing, Health Monitoring, and Performance Evaluation by : D. Huston
Download or read book Structural Sensing, Health Monitoring, and Performance Evaluation written by D. Huston and published by CRC Press. This book was released on 2010-09-21 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural health monitoring (SHM) uses one or more in situ sensing systems placed in or around a structure, providing real-time evaluation of its performance and ultimately preventing structural failure. Although most commonly used in civil engineering, such as in roads, bridges, and dams, SHM is now finding applications in other engineering envir
