Download or read book Progress in Rail Integrity Research written by U.s. Department of Transportation and published by CreateSpace. This book was released on 2013-12 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the work conducted over the past two decades on rail integrity research sponsored by the Federal Railroad Administration and carried out by the Volpe National Transportation System Center.

Download or read book Progress in Rail Integrity Research written by David Y. Jeong and published by . This book was released on 2001 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CONTROL OF RAIL INTEGRITY BY SELF ADAPTIVE SCHEDULING OF RAIL TESTS written by and published by . This book was released on 1990 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Advances in Communications Based Train Control Systems written by F. Richard Yu and published by CRC Press. This book was released on 2015-11-05 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: With rapid population explosion, improving rail transit speed and capacity is strongly desirable around the world. Communication-based train control (CBTC) is an automated train control system using high capacity bidirectional train-ground communications to ensure the safe operation of rail vehicles. This book presents the latest advances in CBTC r

Download or read book Residual Stress in Rails written by O. Orringer and published by Springer Science & Business Media. This book was released on 1992-03-31 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rail integrity is a current application of engineering fracture mechanics at a practical level. Although railroad rails have been manufactured and used for more than a century, it is only in the last ten years that the effects of their crack propagation and fracture characteristics have been considered from a rational viewpoint. The J,Jractical objectives are to develop damage tolerance ~delines for rail inspection and to improve the fracture resistance of new rail productiOn. Rail fatigue crack propagation rates and fracture resistance are strongly influenced by residual stresses, which are introduced into the rail both during proouction and in service. Therefore, the rail residual stress field must be well understood before fracture mechanics can be usefully applied to the subject of rail integrity. The three-dintensional character of rail and its stress fields make it essential to apply both experimental and analytical methods in order to twderstand the effects of pro duction and service variables on residual stress and the effects of the stress on fatigue crack propagation and fracture. This volume brings to~ether field observations and experimental stress analysis of railroad rails in the Umted States and Europe. The ongoing search for an efficient and accurate technique is emphasized. A companion volume brings together several analytical investigations, based on advanced compu tational mechanics methods, for correlation of the experimental data as well as eval uation of the effects of residual stress on rail integrity.

Download or read book Residual Stress in Rails written by O. Orringer and published by Springer. This book was released on 2017-08-16 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rail integrity is a current application of engineering fracture mechanics at a practical level. Although railroad rails have been manufactured and used for more than a century, it is only in the last ten years that the effects of their crack propagation and fracture characteristics have been considered from a rational viewpoint. The J,Jractical objectives are to develop damage tolerance ~delines for rail inspection and to improve the fracture resistance of new rail productiOn. Rail fatigue crack propagation rates and fracture resistance are strongly influenced by residual stresses, which are introduced into the rail both during proouction and in service. Therefore, the rail residual stress field must be well understood before fracture mechanics can be usefully applied to the subject of rail integrity. The three-dintensional character of rail and its stress fields make it essential to apply both experimental and analytical methods in order to twderstand the effects of pro duction and service variables on residual stress and the effects of the stress on fatigue crack propagation and fracture. This volume brings to~ether field observations and experimental stress analysis of railroad rails in the Umted States and Europe. The ongoing search for an efficient and accurate technique is emphasized. A companion volume brings together several analytical investigations, based on advanced compu tational mechanics methods, for correlation of the experimental data as well as eval uation of the effects of residual stress on rail integrity.

Download or read book Residual Stress in Rails written by Oscar Orringer and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Federal Register written by and published by . This book was released on 2014 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Annual Report written by United States. Department of Transportation and published by . This book was released on with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Transportation Research Record written by and published by . This book was released on 1988 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Railroad Research Bulletin written by and published by . This book was released on 1981 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rail Quality and Maintenance for Modern Railway Operation written by J.J. Kalker and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: In April 1990 a conference was held at the Cracow Institute of Technology, Cracow, Poland. The title of that conference was "Residual Stresses in Rails - Effects on Rail Integrity and Railroad Economics" and its themes were the measurement and prediction of residual stresses in rails, but, as the sub-title suggests, the intention was also to provide a link between research and its application to the practical railway world. At the Cracow conference there were 40 participants with 5 railways and 5 rail makers being represented and 25 papers were given. The Cracow conference was a success, and by March 1991 its off-spring, "The International Conference on Rail Quality and Maintenance for Modern Railway Operations", was conceived and birth was ultimately given in June 1992 at the Technical University, Delft. It turned out to be some baby, with 112 delegates from 24 countries taking part! As with its predecessor, the conference was to provide a forum for the exchange of ideas between research investigators, rail makers and railway engineers. A cursory examination of the list of participants suggests that about 57% were from the railway industry, 34% from universities and other research institutions and 9% from the steel industry. Bearing in mind that some of the railway industry participants were from their respective research and development organisations the balance of interests was about right.

Download or read book Control of Rail Integrity by Self adaptive Scheduling of Rail Tests written by Oscar Orringer and published by . This book was released on 1990 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Departments of Transportation and Housing and Urban Development and Related Agencies Appropriations for 2016 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Transportation, Housing and Urban Development, and Related Agencies and published by . This book was released on 2015 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rail Safety written by U.s. Government Accountability Office and published by . This book was released on 2017-08-14 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Positive train control (PTC) is a communications-based train control system designed to prevent some serious train accidents. Federal law requires passenger and major freight railroads to install PTC on most major routes by the end of 2015. Railroads must address other risks by implementing other technologies. The Department of Transportation's (DOT) Federal Railroad Administration (FRA) oversees implementation of these technologies and must report to Congress in 2012 on progress in implementing PTC. As requested, this report discusses railroads' progress in developing PTC and the remaining steps to implement it, the benefits of and challenges in implementing other safety technologies, and the extent of FRA's efforts to fulfill the PTC mandate and encourage the implementation of other technologies. To conduct this work, GAO analyzed documents and interviewed FRA and rail industry officials. GAO also interviewed and surveyed rail experts. "

Download or read book Departments of Transportation Treasury HUD the Judiciary District of Columbia and Independent Agencies Appropriations for 2007 written by United States. Congress. House. Committee on Appropriations Subcommittee on the Departments of Transportation, Treasury, HUD, the Judiciary, District of Columbia, and Independent Agencies Appropriations and published by . This book was released on 2006 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Handbook of Fatigue Crack Propagation in Metallic Structures written by A. Carpinteri and published by Newnes. This book was released on 2012-12-02 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this Handbook is to provide a review of the knowledge and experiences in the field of fatigue fracture mechanics. It is well-known that engineering structures can fail due to cyclic loading. For instance, a cyclically time-varying loading reduces the structure strength and can provoke a fatigue failure consisting of three stages: (a) crack initiation (b) crack propagation and (c) catastrophic failure. Since last century many scientists have tried to understand the reasons for the above-mentioned failures and how to prevent them. This Handbook contains valuable contributions from leading experts within the international scientific community and covers many of the important problems associated with the fatigue phenomena in civil, mechanical and nuclear engineering.