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Shock Transmission Units in Construction

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Descripción

Recent earthquakes around the world have confirmed the potential for a large seismic event to cause unprecedented levels of destruction. Shock transmission units (STUs) have been used in several projects as one of the most effective instruments in preventing widespread damage from seismic activities and structural movement. Shock Transmission Units in Construction is the first book to explore the procurement, selection, testing, installation and maintenance processes of STUs, as well as technological developments in the field of seismic protection.


Características

  • ISBN: 9780727757135
  • Páginas: 226
  • Tamaño: 19x24
  • Edición:
  • Idioma: Inglés
  • Año: 2013

Disponibilidad: 3 a 7 Días

Contenido Shock Transmission Units in Construction

Recent earthquakes around the world have confirmed the potential for a large seismic event to cause unprecedented levels of destruction. Shock transmission units (STUs) have been used in several projects as one of the most effective instruments in preventing widespread damage from seismic activities and structural movement. Shock Transmission Units in Construction is the first book to explore the procurement, selection, testing, installation and maintenance processes of STUs, as well as technological developments in the field of seismic protection.

This book covers the use of STUs as both a preventative measure, fitted to a structure before a seismic occurrence, and as a seismic protection system, retrofitted to prevent further damage. Drawing on his experiences of supervising the construction of the first bridges in India and the Philippines to use STUs, Dinesh Patel explores the application of STUs on a number of different projects, including new and existing highway and rail bridges, suspension and cable stayed bridges, buildings, structures, nuclear power plants and pipelines.

Shock Transmission Units in Construction contains case studies, photographs and illustrative diagrams to provide a clear guide to the application of STUs in numerous construction projects, as well as:

    A thorough introduction to this widely-practiced, but still little understood engineering practice, challenging critics by demonstrating the benefits and reliability of STUs in various contexts.
    A study of current STU brands and manufacturers, and the ways in which different types of STUs have been used in existing projects.
    Examples of STU application in India, Taiwan, Indonesia, Malaysia, South Korea, Hong Kong, Denmark, Rome, Italy, UK, Saudi Arabia, Turkey, Laos, Indonesia, Canada, USA and the UK.
    An analysis of the cost efficiency of retro-fitting practices.

Shock Transmission Units in Construction aims to provide best practice guidance in helping both new and experienced engineers to select the most appropriate STU for construction projects, thus ensuring that they are used to their full potential. It is hoped that this will lead to more varied usage and the development of innovative STU derivatives for application in future projects

About the author:

Dinesh J. Patel graduated from the University of London, UK with a degree in Civil Engineering and obtained his Masters in Structural Engineering from the University of New South Wales, Sydney, Australia. He then supervised the design and construction of bridge structures across the world, including projects in the UK, Canada, Australia, Nigeria, Saudi-Arabia, Indonesia, India, British Guyana and the Philippines, as well as working with various international consulting engineering firms on bridge projects funded by the World Bank, the Asian Development Bank and the Japanese Government.

Mr Patel supervised the construction of the Badiwan Bridge, Baguio - the first bridge in the Philippines to use Shock Transmission Units – an experience which enabled him to procure, select, test and install the STUs on the Second Bassein Creek Bridge, Mumbai, India. He was employed by N. D. Lea International, Canada, as resident Engineer/Team Leader to supervise the construction of this project, the first bridge in India to use Shock Transmission Units. The bridge was also awarded the first prize for innovation in construction engineering in 2001 by the Indian Institution of Bridge Engineering.

Mr Patel has written and presented many papers on bridge engineering and shock transmission units. His paper entitled “Shock transmission units (STUs) for earthquake load distribution on the World Bank funded Second Bassein Creek Bridge in Maharashtra”, published in the Journal of the Indian Roads Congress, was awarded a certificate of merit by the Indian Road Congress in 2002.

Mr Patel’s involvement in the Second Bassein Creek Bridge made him realise the potential for retrofitting STUs to bridges in countries with revised and upgraded earthquake zones to strengthen bridges for earthquake loading. In the absence of technical literature or specification in the Indian bridge design code on the subject of STUs, Mr Patel hopes to use this book to share his experience and best practice guidance to help future bridge engineers to procure, test and install STUs to a high standard ensure that they select the most appropriate STUs for their projects.

CONTENTS

- Preface
- Acknowledgements
- About the author

EVOLUTION OF SHOCK TRANSMISSION UNITS ( STUs)

- Introduction
- History of the evolution of STUs
- Progression of early STUs to present-day,maintenance-free compact STUs
- References
- Further reading

SEISMIC PROTECTION SYSTEMS

- Introductin
- Energy concepts for seismic protection of structures
- Energy approach
- Seismic hardware
- References
- Further reading

SHOCK TRANSMISSION UNITS AND THEIR APPLICATIONS

- Introduction
- Modern STUs
- Principle of operation of STUs
- Function of STUs
- Different brands of STUs and their dimensions
- Applications of STUs
- Service life of STUs
- Further reading

STUs FOR NEW HIGHWAY BRIDGES

- Introduction
- Second Bassein,Creek Bridge,Mumbai, India
- New Paksey Bridge,Bangladesh, India
- New Golf Bridge,Riggins, Idaho. Usa
- References
- Further reading

STUs  FOR NEW AND EXISTING RAILWAY BRIDGES

- Introduction
- Railway bridges over rivers in Indonesia – new bridges 6.3.
- Taiwan high-speed rail project – a new bridge 6.4.
- Light rail transit project, Kuala Lumpur, Malaysia – new bridge
- Baswich Viaduct, UK – a new deck with an existing substructure
- Docklands Light Railway (DLR), London, UK – an existing bridge
- Putney Bridge, London, UK – an existing bridge
- Neath Railway Bridge, South Wales, UK – an existing bridge References Further reading

STUs FOR CABLE-STAYED AND SUSPENSION BRIDGES

- Introduction
- Storebaelt suspension bridge, Denmark – a new bridge 7
- Sidney Lanier Bridge, Georgia, USA – a new bridge
- Second Severn Bridge, UK – a new cable-stayed bridge
- Maysville Bridge, Ohio, USA – a new bridge
- Seohae Grand Bridge, South Korea – a new bridge
- Stonecutters Bridge, Hong Kong – a new cable-stayed bridge References Further reading

STUs FOR BUILDINGS

- Introduction
- Roof structure of Rome Stadium, Italy
- Retrofit of Ataturk International Airport terminal building, Istanbul, Turkey
- The upper basilica of San Francesco, Assisi, Italy
- Official reception building, Riyadh, Kingdom of Saudi Arabia References

THE SNUBBER- A SPECIAL TYPE OF STU FOR NUCLEAR POWER PLANT AND  PIPELINES

- Introduction
- General description
- Types of snubber
- Design specification and load testing
- Installation
- Inspection and maintenance References

MISCELLANEOUS APPLICATIONS OF STUs

- Introduction
- Rotational STUs for floating pontoons
- STUs for bridge parapets
- STUs for vertical movement and impact transmission
- STUs as unidirectional struts or ties
- STUs in a transverse direction on a bridge
- STUs for strengthening against collision forces -
- STUs used temporarily during construction
- STUs for the replacement of a reinforced-concrete cross-head
- STUs integrated in pot bearings
- STUs for access stairs and escalator supporting structures References Further reading

INSTALLATION OF STUs ON STRUCTURES

- Introduction
- Design of connections
- Standard STU connections for highway and railway bridges
- Second Bassein Creek Bridge, India
- Installation of STUs on the Mekong River Bridge, Laos -
- CR111 Bridge, Suffolk County, USA
- Carquinez Bridge, California, USA
- Installation of STUs on cable-stayed and suspension bridges
- References
- Further reading

COST-EFFECTIVENESS OF STUs

- Introduction
- Second Bassein Creek Bridge, Mumbai, India
- Paksey Bridge, Bangladesh
- Carquinez Bridge, California, USA
- Cable-stayed and suspension bridges
- Railway bridges over rivers in Indonesia
- Conclusions References Further reading

LOAD TESTING OF STUs

- Introduction
- 2002 AASHTO interim specification for STUs
- Second Bassein Creek Bridge, Mumbai, India
- Paksey Bridge, Bangladesh
- Carquinez Bridge, California, USA References
 
INSPECTION AND MAINTENANCE OF STUs

- Introduction
- Inspection
- Maintenance
- Removal and replacement
- Maintenance period
- Load testing of installed STUs
- Load testing of installed STUs for the Stour Viaduct, Kent, UK Further reading


DESIGN GUIDELINES FOR PROCUREMENT AND SELECTION O STUs

- Introduction
- Design guideline
- Procurement and selection
- Final approval References

DERIVATIVES OF STUs

- Introduction
- Hydraulic dampers
- Crawl connector STUs
- Force limiter STUs
- Load and displacement equaliser STUs
- Shock absorber STUs Reference

STUs IN CONJUNCTION WITH OTHER SEISMIC-PROTECTION DEVICES

- Introduction
- Mortaiolo Viaduct, Italy
- Jamuna multipurpose bridge, Bangladesh
- Marquam Bridge, Oregon, USA References

MANUFACTURES OF STUs

LABORATORIES FOR TESTING STUs

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