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A Comparative Analysis Of Seismic Retrofit Techniques For Reinforced Concrete Bridge Columns
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Book Synopsis A Comparative Analysis of Seismic Retrofit Techniques for Reinforced Concrete Bridge Columns by : Jacques Sarrazin
Download or read book A Comparative Analysis of Seismic Retrofit Techniques for Reinforced Concrete Bridge Columns written by Jacques Sarrazin and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns by : Terry J. Wayne
Download or read book Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns written by Terry J. Wayne and published by . This book was released on 1997 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Retrofit and Repair of Existing Reinforced Concrete Bridge Columns by Transverse Prestressing by : Majid Sadoughi Yarandi
Download or read book Seismic Retrofit and Repair of Existing Reinforced Concrete Bridge Columns by Transverse Prestressing written by Majid Sadoughi Yarandi and published by . This book was released on 2007 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Testing and Analysis of Non-prismatic Reinforced Concrete Bridge Columns Retrofitted with FRP Jackets by : Frank M. Martinovic
Download or read book Dynamic Testing and Analysis of Non-prismatic Reinforced Concrete Bridge Columns Retrofitted with FRP Jackets written by Frank M. Martinovic and published by . This book was released on 2001 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Konstantinos G. Megalooikonomou Publisher :Cambridge Scholars Publishing ISBN 13 :1527530361 Total Pages :387 pages Book Rating :4.5/5 (275 download)
Book Synopsis Seismic Assessment and Retrofit of Reinforced Concrete Columns by : Konstantinos G. Megalooikonomou
Download or read book Seismic Assessment and Retrofit of Reinforced Concrete Columns written by Konstantinos G. Megalooikonomou and published by Cambridge Scholars Publishing. This book was released on 2019-02-27 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reinforced concrete columns play a very important role in structural performance. As such, it is essential to apply a suitable analytical tool to estimate their structural behaviour considering all failure mechanisms such as axial, shear, and flexural failures. This book highlights the development of a fiber beam-column element accounting for shear effects and the effect of tension stiffening through reinforcement-to-concrete bond, along with the employment of suitable constitutive material laws.
Book Synopsis Seismic Evaluation and Retrofit of Existing Reinforced Concrete Bridge Columns by :
Download or read book Seismic Evaluation and Retrofit of Existing Reinforced Concrete Bridge Columns written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Design Aids for Nonlinear Pushover Analysis of Reinforced Concrete and Steel Bridges by : Jeffrey Ger
Download or read book Seismic Design Aids for Nonlinear Pushover Analysis of Reinforced Concrete and Steel Bridges written by Jeffrey Ger and published by CRC Press. This book was released on 2016-04-19 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear static monotonic (pushover) analysis has become a common practice in performance-based bridge seismic design. The popularity of pushover analysis is due to its ability to identify the failure modes and the design limit states of bridge piers and to provide the progressive collapse sequence of damaged bridges when subjected to major earthq
Book Synopsis Seismic Retrofit of Circular Reinforced Concrete Bridge Columns by :
Download or read book Seismic Retrofit of Circular Reinforced Concrete Bridge Columns written by and published by . This book was released on 1990 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inadequate flexural strength and ductility or shear strength of concrete bridge columns has resulted in collapse or severe damage of a number of California bridges in recent moderate earthquakes. In general, these bridges were designed prior to the new seismic design methods which were implemented in the mid-seventies. Bridges constructed in accordance with the new design methods have performed well in recent earthquakes. However, the large number of older bridges that are in service, particularly freeway overpasses designed and constructed in the 1950s and 1970s, are now recognized to have substandard design details and to constitute a cause for major concern. This paper reports the results of a theoretical and experimental program investigating retrofit techniques for circular columns by encasing the critical regions within a steel jacket. The jacket is bonded to the column using grout. Results from six large-scale column tests show that the casing acts efficiently as confinement reinforcement, enabling a displacement ductility factor of greater than 6 to be achieved. The casing also inhibits bond failures at the laps of longitudinal reinforcement in the critical regions of the column by restraining the dilation and spalling of the cover concrete which degenerates into bond failure. Comparisons of 'as-built' and retrofitted columns are presented, and experimental strengths and ductilities are compared with analytical predictions. For the covering abstract of the Conference see IRRD Abstract no. 807839.
Book Synopsis Seismic Retrofit of Existing Reinforced Concrete Buildings by : Stelios Antoniou
Download or read book Seismic Retrofit of Existing Reinforced Concrete Buildings written by Stelios Antoniou and published by John Wiley & Sons. This book was released on 2023-04-24 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seismic Retrofit of Existing Reinforced Concrete Buildings Understand the complexities and challenges of retrofitting building infrastructure Across the world, buildings are gradually becoming structurally unsound. Many were constructed before seismic load capacity was a mandatory component of building standards, and were often built with low-quality materials or using unsafe construction practices. Many more are simply aging, with materials degrading, and steel corroding. As a result, efforts are ongoing to retrofit existing structures, and to develop new techniques for assessing and enhancing seismic load capacity in order to create a safer building infrastructure worldwide. Seismic Retrofit of Existing Reinforced Concrete Buildings provides a thorough book-length discussion of these techniques and their applications. Balancing theory and practice, the book provides engineers with a broad base of knowledge from which to approach real-world seismic assessments and retrofitting projects. It incorporates knowledge and experience frequently omitted from the building design process for a fuller account of this critical engineering subfield. Seismic Retrofit of Existing Reinforced Concrete Buildings readers will also find: Detailed treatment of each available strengthening technique, complete with advantages and disadvantages In-depth guidelines to select a specific technique for a given building type and/or engineering scenario Step-by-step guidance through the assessment/retrofitting process Seismic Retrofit of Existing Reinforced Concrete Buildings is an ideal reference for civil and structural engineering professionals and advanced students, particularly those working in seismically active areas.
Book Synopsis A Seismic Retrofit Design Methodology for Reinforced Concrete Bridge Columns Using Fiber Composites by : Ying Tian
Download or read book A Seismic Retrofit Design Methodology for Reinforced Concrete Bridge Columns Using Fiber Composites written by Ying Tian and published by . This book was released on 2002 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :fib Fédération internationale du béton Publisher :fib Fédération internationale du béton ISBN 13 :9782883940642 Total Pages :322 pages Book Rating :4.9/5 (46 download)
Book Synopsis Seismic Assessment and Retrofit of Reinforced Concrete Buildings by : fib Fédération internationale du béton
Download or read book Seismic Assessment and Retrofit of Reinforced Concrete Buildings written by fib Fédération internationale du béton and published by fib Fédération internationale du béton. This book was released on 2003-08-01 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: In most parts of the developed world, the building stock and the civil infrastructure are ageing and in constant need of maintenance, repair and upgrading. Moreover, in the light of our current knowledge and of modern codes, the majority of buildings stock and other types of structures in many parts of the world are substandard and deficient. This is especially so in earthquake-prone regions, as, even there, seismic design of structures is relatively recent. In those regions the major part of the seismic threat to human life and property comes from old buildings. Due to the infrastructure's increasing decay, frequently combined with the need for structural upgrading to meet more stringent design requirements (especially against seismic loads), structural retrofitting is becoming more and more important and receives today considerable emphasis throughout the world. In response to this need, a major part of the fib Model Code 2005, currently under development, is being devoted to structural conservation and maintenance. More importantly, in recognition of the importance of the seismic threat arising from existing substandard buildings, the first standards for structural upgrading to be promoted by the international engineering community and by regulatory authorities alike are for seismic rehabilitation of buildings. This is the case, for example, of Part 3: Strengthening and Repair of Buildings of Eurocode 8 (i. e. of the draft European Standard for earthquake-resistant design), and which is the only one among the current (2003) set of 58 Eurocodes attempting to address the problem of structural upgrading. It is also the case of the recent (2001) ASCE draft standard on Seismic evaluation of existing buildings and of the 1996 Law for promotion of seismic strengthening of existing reinforced concrete structures in Japan. As noted in Chapter 1 of this Bulletin, fib - as CEB and FIP did before - has placed considerable emphasis on assessment and rehabilitation of existing structures. The present Bulletin is a culmination of this effort in the special but very important field of seismic assessment and rehabilitation. It has been elaborated over a period of 4 years by Task Group 7.1 Assessment and retrofit of existing structures of fib Commission 7 Seismic design, a truly international team of experts, representing the expertise and experience of all the important seismic regions of the world. In the course of its work the team had six plenary two-day meetings: in January 1999 in Pavia, Italy; in August 1999 in Raleigh, North Carolina; in February 2000 in Queenstown, New Zealand; in July 2000 in Patras, Greece; in March 2001 in Lausanne, Switzerland; and in August 2001 in Seattle, Washington. In October 2002 the final draft of the Bulletin was presented to public during the 1st fib Congress in Osaka. It was also there that it was approved by fib Commission 7 Seismic Design. The contents is structured into main chapters as follows: 1 Introduction - 2 Performance objectives and system considerations - 3 Review of seismic assessment procedures - 4 Strength and deformation capacity of non-seismically detailed components - 5 Seismic retrofitting techniques - 6 Probabilistic concepts and methods - 7 Case studies
Book Synopsis Seismic Retrofitting of Concrete Bridge Columns by External Prestressing by : Derek Mes
Download or read book Seismic Retrofitting of Concrete Bridge Columns by External Prestressing written by Derek Mes and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to recent earthquakes and the ensuing damage, there has been some concern regarding the adequacy of older structures. In particular, there is apprehension as to the adequacy of bridges that were erected prior to the early 1970's. Before this time there was little or no design process which considered seismic behaviour of bridges. Recent codes have been adjusted to compensate for these earlier problems. However, it is not feasible to remove and rebuild all of the previously built bridges. Hence, the only remaining viable approach to improving seismic adequacy of existing bridges is seismic upgrading or retrofitting these structures to improve their strength and/or deformability. The research program presented in this thesis addresses the problem of reinforced concrete bridge column retrofitting. More specifically, the applicability of a new retrofitting technique, developed at the University of Ottawa for columns of different aspect ratios and reinforcement arrangements, will be verified in terms of concrete confinement and shear resistance. The retrofitting technique consists of wrapping and prestressing high strength steel 7-wire strands around the test columns in order to increase their ductility. The specimen's tested were based on pre-1971 design, and hence had larger transverse reinforcement spacing than the present practice. This results in a lack of concrete confinement which translates into columns with poor shear resistance which tend to have a brittle failure mode. By retrofitting with prestressing strands, placed at closer spacing than the original hoops, the concrete confinement is increased, diagonal tension resistance is improved and a more ductile response is attained. Experiments from the first phase of this research program, performed by Yalcin (1997), gave very favourable results for a given aspect ratio and reinforcement arrangement. The present experimental research, forming the second phase, examined columns with different aspect ratios and reinforcement arrangements and also gave favourable results.
Book Synopsis Computer Aided Seismic and Fire Retrofitting Analysis of Existing High Rise Reinforced Concrete Buildings by : Raja Rizwan Hussain
Download or read book Computer Aided Seismic and Fire Retrofitting Analysis of Existing High Rise Reinforced Concrete Buildings written by Raja Rizwan Hussain and published by Springer. This book was released on 2015-08-13 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book details the analysis and design of high rise buildings for gravity and seismic analysis. It provides the knowledge structural engineers need to retrofit existing structures in order to meet safety requirements and better prevent potential damage from such disasters as earthquakes and fires. Coverage includes actual case studies of existing buildings, reviews of current knowledge for damages and their mitigation, protective design technologies, and analytical and computational techniques. This monograph also provides an experimental investigation on the properties of fiber reinforced concrete that consists of natural fibres like coconut coir and also steel fibres that are used for comparison in both Normal Strength Concrete (NSC) and High Strength Concrete (HSC). In addition, the authors examine the use of various repair techniques for damaged high rise buildings. The book will help upcoming structural design engineers learn the computer aided analysis and design of real existing high rise buildings by using ACI code for application of the gravity loads, UBC- 97 for seismic analysis and retrofitting analysis by computer models. It will be of immense use to the student community, academicians, consultants and practicing professional engineers and scientists involved in the planning, design, execution, inspection and supervision for the proper retrofitting of buildings.
Book Synopsis Flexural Retrofit of Circular Reinforced Concrete Bridge Columns by Steel Jacketing by : Yuk Hon Chai
Download or read book Flexural Retrofit of Circular Reinforced Concrete Bridge Columns by Steel Jacketing written by Yuk Hon Chai and published by . This book was released on 1991 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic retrofit and design recommendations for reinforced concrete bridge columns (PHD). by : Limin Jin
Download or read book Seismic retrofit and design recommendations for reinforced concrete bridge columns (PHD). written by Limin Jin and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Seismic Retrofit of Bridge Columns Using Fibre-reinforced Concrete by :
Download or read book Seismic Retrofit of Bridge Columns Using Fibre-reinforced Concrete written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of Seismic Response and Steel Jacket Retrofit of Squat Circular Reinforced Concrete Bridge Columns by : Ravindra Verma
Download or read book Assessment of Seismic Response and Steel Jacket Retrofit of Squat Circular Reinforced Concrete Bridge Columns written by Ravindra Verma and published by . This book was released on 1993 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
