Alternative Uses for Ground Penetrating Radar (GPR) in Highway Construction Maintenance
| Author | : Hanan Mahdi |
| Publisher | : |
| Total Pages | : 155 |
| Release | : 2016 |
| Genre | : Ground penetrating radar |
| ISBN | : |
Alternative Uses For Ground Penetrating Radar Gpr In Highway Construction Maintenance
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Applications of Ground Penetrating Radar for Highway Pavements
| Author | : Dimitri A. Grivas |
| Publisher | : |
| Total Pages | : 92 |
| Release | : 2006 |
| Genre | : Ground penetrating radar |
| ISBN | : |
The research project objective was to develop an implementation strategy for the use of Ground Penetrating Radar (GPR) technology to address pavement systems and underground utilities. The project was divided into three tasks. Task 1 dealt with a review in the state-of-the-art in technology, relevant applications, and regulations in the use of GPR. Task 2 discussed the effort and results of GPR survey projects on pavements systems and underground utilities that were performed as part of this project in selected locations. Task 3 developed an implementation strategy for NYSDOT for defining and procuring GPR services in addressing problems in pavement systems and mapping & locating underground utilities.
Principles and Applications of RELAX: A Robust and Universal Estimator
| Author | : Renbiao Wu |
| Publisher | : Springer |
| Total Pages | : 302 |
| Release | : 2019-03-27 |
| Genre | : Technology & Engineering |
| ISBN | : 9811369321 |
The multiple signal demixing and parameter estimation problems that result from the impacts of background noise and interference are issues that are frequently encountered in the fields of radar, sonar, communications, and navigation. Research in the signal processing and control fields has always focused on improving the estimation performance of parameter estimation methods at low SNR and maintaining the robustness of estimations in the presence of model errors. This book presents a universal and robust relaxation estimation method (RELAX), and introduces its basic principles and applications in the fields of classical line spectrum estimation, time of delay estimation, DOA estimation, and radar target imaging. This information is explained comprehensively and in great detail, and uses metaphors pertaining to romantic relationships to visualize the basic problems of parameter estimation, the basic principles of the five types of classical parameter estimation methods, and the relationships between these principles. The book serves as a reference for scientists and technologists in the fields of signal processing and control, while also providing relevant information for graduate students in the related fields.
Ground Penetrating Radar for Evaluating Subsurface Conditions for Transportation Facilities
| Author | : Rexford M. Morey |
| Publisher | : Transportation Research Board |
| Total Pages | : 48 |
| Release | : 1998 |
| Genre | : Technology & Engineering |
| ISBN | : 9780309061100 |
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.
Ground Penetrating Radar Applications on Roads and Highways
| Author | : Timo Saarenketo |
| Publisher | : |
| Total Pages | : 56 |
| Release | : 1994 |
| Genre | : Ground penetrating radar |
| ISBN | : |
This report will describe the various kinds of information that can be obtained from roads and highways with Ground Penetrating Radar. In the last 5 years, attention has focused on measuring the thickness of the asphalt surfacing layer on flexible pavements with air-launched horn antennas. Other antennas are available with substantially different depths of penetration, and for use in a wide range of other pavement applications. The purpose of this report is to describe the range of applications of GPR in pavement evaluation. Cases include subgrade investigations, bedrock evaluations, locating sinkholes, detecting frost damage, and identifying defects such as stripping or voids and monitoring crack growth within the pavement structure. The large variety of cases, conducted in Texas and Finland, illustrates the unique ability of GPR to rapidly evaluate subsurface conditions. The sinkhole detection study represents our initial effort to use low frequency deep penetrating radar on Texas pavements. A unique feature of this paper is the proposed classification of the frost susceptibility of subgrade soils by their measured dielectric constant and electrical conductivity.
Civil Engineering Applications of Ground Penetrating Radar
| Author | : Andrea Benedetto |
| Publisher | : Springer |
| Total Pages | : 373 |
| Release | : 2015-04-07 |
| Genre | : Science |
| ISBN | : 3319048139 |
This book, based on Transport and Urban Development COST Action TU1208, presents the most advanced applications of ground penetrating radar (GPR) in a civil engineering context, with documentation of instrumentation, methods and results. It explains clearly how GPR can be employed for the surveying of critical transport infrastructure, such as roads, pavements, bridges and tunnels and for the sensing and mapping of underground utilities and voids. Detailed attention is also devoted to use of GPR in the inspection of geological structures and of construction materials and structures, including reinforced concrete, steel reinforcing bars and pre/post-tensioned stressing ducts. Advanced methods for solution of electromagnetic scattering problems and new data processing techniques are also presented. Readers will come to appreciate that GPR is a safe, advanced, non destructive and noninvasive imaging technique that can be effectively used for the inspection of composite structures and the performance of diagnostics relevant to the entire life cycle of civil engineering works.
Current and Future Trends in Bridge Design, Construction and Maintenance
| Author | : Parag C. Das |
| Publisher | : Thomas Telford |
| Total Pages | : 686 |
| Release | : 1999 |
| Genre | : Technology & Engineering |
| ISBN | : 9780727728418 |
The major expansion of transport networks in the twentieth century has been accompanied by extensive bridge construction. At the end of the century, the field of bridge engineering continues to grow and develop. Recent years have seen the construction of revolutionary new bridges, advances in materials and construction techniques and the development of international codes and standards aimed at producing more durable and reliable structures.
Advances in Civil Engineering and Environmental Engineering, Volume 1
| Author | : Wira Jazair bin Yahya |
| Publisher | : CRC Press |
| Total Pages | : 752 |
| Release | : 2023-02-28 |
| Genre | : Technology & Engineering |
| ISBN | : 1000864405 |
Advances in Civil Engineering and Environmental Engineering focuses on the research of civil engineering and environmental engineering. the proceedings feature the most cutting-edge research directions and achievements related to civil engineering and environmental. Subjects in the proceedings include: Civil engineering technology Civil engineering surveying Geological engineering Structural engineering Tunnel and bridge engineering Environmental protection materials Pollution control project Building environment and equipment engineering The works of this proceedings can promote development of civil engineering and environmental engineering, resource sharing, flexibility and high efficiency. Thereby, promote scientific information interchange between scholars from the top universities, research centers and high-tech enterprises working all around the world.
Non-Destructive Techniques for the Evaluation of Structures and Infrastructure
| Author | : Belén Riveiro |
| Publisher | : CRC Press |
| Total Pages | : 444 |
| Release | : 2016-04-04 |
| Genre | : Technology & Engineering |
| ISBN | : 1315685159 |
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
