Structural Behaviour Of Concrete Railway Sleepers PDF Download
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Author | : Rikard Gustavson |
Publisher | : |
Total Pages | : 51 |
Release | : 2002 |
Genre | : Concrete railroad ties |
ISBN | : 9789172912274 |
Download Structural Behaviour of Concrete Railway Sleepers Book in PDF, ePub and Kindle
Author | : FIB – International Federation for Structural Concrete |
Publisher | : FIB - International Federation for Structural Concrete |
Total Pages | : 30 |
Release | : 1987-01-01 |
Genre | : Technology & Engineering |
ISBN | : 0727703617 |
Download Concrete Railway sleepers Book in PDF, ePub and Kindle
The use of concrete sleepers in railways started in the 1940s. They are currently used in many countries thoughout the world at a rate of over 12 million per year. This report discusses the various types of sleeper which have been developed - monoblock, two-block, reinforced and prestressed concrete. Separate sections deal with design, rail fastening systems, manufacture, quality control and testing, installation and performance, and research and development.
Author | : fib Fédération internationale du béton |
Publisher | : fib Fédération internationale du béton |
Total Pages | : 44 |
Release | : 2006-01-01 |
Genre | : Technology & Engineering |
ISBN | : 9782883940772 |
Download Precast Concrete Railway Track Systems Book in PDF, ePub and Kindle
In 1986, the FIP Commission on Prefabrication issued the state-of-art report "Concrete Railway Sleepers", which included design considerations, manufacturing methods, rail fastening systems and field performance. During the two decades since that report, precast concrete has gained importance in the field of railway track systems for plain track, switches and crossings, tunnels and other applications. Developments in production methods for concrete sleepers in switch and crossing layouts to cope with the complex geometry and the industry's confidence in their performance have contributed to the huge increase in the use of this type of sleeper. The use of slab track for high-speed track has also grown, particularly where either new track is built or where existing track is renewed and long periods of track possession are possible. There has also been progress in the development of plant and equipment for the installation, renewal and maintenance of concrete sleepered track. With machines now able to replace existing track at a rate of 5000 sleepers (over 3 km track) per day, choosing concrete sleepers can reduce the time on site, meaning tracks can be reopened quickly whilst reducing labour requirements and costs. Today, precast concrete is considered to be the best performing and preferred material for railway sleepers, due to the following factors: long-term durability; improved geometric retention of track and greater weight vital for high-speed and heavy freight lines; improved elasticity of track; improved ride quality; low first cost; minimum life cycle cost; low cost of maintenance; environmental friendliness - no chemical treatment required and can be recycled. As all aspects of precast concrete railway track systems, from design through manufacture to installation and maintenance, have progressed since the publication of the FIP report, an update was considered timely, in order to provide a synthesis of currently available information. This new edition covers quality, design, production, durability, maintenance and environmental considerations, and includes survey on the use of precast concrete track systems in over 30 countries.
Author | : Ahmad Shayan |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : Alkali-aggregate reactions |
ISBN | : |
Download Behaviour of Precast Prestressed Concrete Railway Sleepers Affected by AAR Book in PDF, ePub and Kindle
Precast prestressed concrete railway sleepers manufactured from somewhat deformed granitic rock and cement of moderate alkali content have shown signs of distress in the form of parallel and map cracking. The dominant form of cracking in the section between the rails is longitudinal and parallel. The cracks extend to the shoulders, but these may also show random (map) cracking depending on the stage of the deterioration. Petrographic examination, scanning electron microscopy and energy-dispersive X-ray analysis indicated that the primary cause of the deterioration was alkali-aggregate reaction (AAR). Although another reaction product (ettringite) was present in the cracks, this was considered to have formed as a consequence of cracking (due to AAR) rather than being the cause of it. Measurement of expansion and water absorption on large prisms (~100 x 100 x 300 mm) cut from the sleepers, have shown that the upper half of the sleepers that were subject to service traffic and loading expanded more than the lower half and also had a higher moisture absorption, indicating more extensive microcracking. This was the case for both the visually cracked and uncracked sleepers from the track. For the unloaded sleepers from a storage area there was no difference between the lower and upper halves. These observations indicate that the traffic may have affected the extent of the deterioration, once expansion and microcracking had been initiated by AAR. Treatment of a large number of sleepers with 100% isobutyltriethoxy-silane has shown that the silane is able to reduce the rate of deterioration, as evident from monitoring the progress of cracking, but cannot prevent it. Evaluation of concrete mix compositions for the manufacture of sleepers for a new railway track has shown that incorporation of 10% of a low-alkali silica fume in the mixes is effective in suppressing the expansions that may be caused by AAR, and at the same time inhibits the delayed formation of ettringite.
Author | : Coenraad Esveld |
Publisher | : |
Total Pages | : 654 |
Release | : 2001 |
Genre | : Railroad tracks |
ISBN | : 9789080032439 |
Download Modern Railway Track Book in PDF, ePub and Kindle
Author | : Stefano Bruni |
Publisher | : Frontiers Media SA |
Total Pages | : 111 |
Release | : 2022-03-14 |
Genre | : Technology & Engineering |
ISBN | : 2889719146 |
Download Best Practices on Advanced Condition Monitoring of Rail Infrastructure Systems Book in PDF, ePub and Kindle
This Research Topic eBook comprises Volume I and Volume II of Best Practices on Advanced Condition Monitoring of Rail Infrastructure Systems.
Author | : Cuong Ha-Minh |
Publisher | : Springer Nature |
Total Pages | : 1264 |
Release | : 2019-10-10 |
Genre | : Science |
ISBN | : 981150802X |
Download CIGOS 2019, Innovation for Sustainable Infrastructure Book in PDF, ePub and Kindle
This book presents selected articles from the 5th International Conference on Geotechnics, Civil Engineering Works and Structures, held in Ha Noi, focusing on the theme “Innovation for Sustainable Infrastructure”, aiming to not only raise awareness of the vital importance of sustainability in infrastructure development but to also highlight the essential roles of innovation and technology in planning and building sustainable infrastructure. It provides an international platform for researchers, practitioners, policymakers and entrepreneurs to present their recent advances and to exchange knowledge and experience on various topics related to the theme of “Innovation for Sustainable Infrastructure”.
Author | : Guoqing Geng |
Publisher | : Springer Nature |
Total Pages | : 1545 |
Release | : 2023-03-13 |
Genre | : Technology & Engineering |
ISBN | : 9811973318 |
Download Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022 Book in PDF, ePub and Kindle
This book presents articles from The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022, organized by National University of Singapore. These peer-reviewed articles, authored by professional engineers, academics and researchers, highlight the recent research and developments in structural engineering and construction, embracing the theme- “Towards a Resilient and Sustainable City”. The papers presented in this proceeding provide in-depth discussions with key insights into the future research, development and engineering translation in structural engineering and construction.
Author | : Sharifah Salwa Mohd Zuki |
Publisher | : Springer Nature |
Total Pages | : 273 |
Release | : |
Genre | : Building |
ISBN | : 981162187X |
Download Proceedings of the Sustainable Concrete Materials and Structures in Construction 2020 Book in PDF, ePub and Kindle
This book gathers a selection of peer-reviewed papers presented at the Sustainable Concrete Materials and Structures in Construction 2020, held at Universiti Tun Hussein Onn Malaysia, Malaysia, on 24th August 2020. The contributions, prepared by international scientists and engineers, cover the latest advances in and innovative applications with the theme Towards Sustainable Green Concrete The articles in this book cater to academics, graduate students, researchers, as well as industrial practitioners working in the areas of concrete materials and building construction.
Author | : Bibhuti Bhusan Das |
Publisher | : Springer |
Total Pages | : 906 |
Release | : 2018-12-30 |
Genre | : Technology & Engineering |
ISBN | : 9811333173 |
Download Sustainable Construction and Building Materials Book in PDF, ePub and Kindle
This book presents select proceedings of the International Conference on Sustainable Construction and Building Materials (ICSCBM 2018), and examines a range of durable, energy-efficient, and next-generation construction and building materials produced from industrial wastes and byproducts. The topics covered include alternative, eco-friendly construction and building materials, next-generation concretes, energy efficiency in construction, and sustainability in construction project management. The book also discusses various properties and performance attributes of modern-age concretes including their durability, workability, and carbon footprint. As such, it offers a valuable reference for beginners, researchers, and professionals interested in sustainable construction and allied fields.