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Seismic Rehabilitation Methods For Existing Buildings

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Seismic Rehabilitation Methods for Existing Buildings

Seismic Rehabilitation Methods for Existing Buildings Book
Author : Reza Mokarram Aydenlou
Publisher : Butterworth-Heinemann
Release : 2020-08-01
ISBN : 0128203846
Language : En, Es, Fr & De

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Book Description :

Seismic Rehabilitation Methods for Existing Buildings covers various structures, effective parameters in seismic improvement, and other factors in seismic loading. The book offers guidance for a seismic reconstruction project based on the interpretation of publications FEMA 440, FEMA 172 and ATC 40. It includes real examples of completed and approved projects to stabilize the seismic improvement issues of existing buildings. Six perfectly executed examples, with complete refinement details, such as modeling, step-by-step improvement studies, and executive plans and seismic enhancement images are included. In essence, the book explains the classification of non-structural elements and how to carry out seismic reconstruction studies. Provides a fully functional way to evaluate, model and present details of a seismic rehabilitation plan for a building Presents real seismic refurbishment models and step-by-step methods for providing examples (including images, tables and charts)

Techniques for the Seismic Rehabilitation of Existing Buildings

Techniques for the Seismic Rehabilitation of Existing Buildings Book
Author : Federal Emergency Management Agency
Publisher : FEMA
Release : 2006-10
ISBN :
Language : En, Es, Fr & De

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Book Description :

Illustrated in full color throughout. The primary purpose of this document is to provide a selected compilation of seismic rehabilitation techniques that are practical and effective. The descriptions of techniques include detailing and constructability tips that might not be otherwise available to engineering offices or individual structural engineers who have limited experience in seismic rehabilitation of existing buildings. A secondary purpose is to provide guidance on which techniques are commonly used to mitigate specific seismic deficiencies in various model building types.

Strengthening and Retrofitting of Existing Structures

Strengthening and Retrofitting of Existing Structures Book
Author : N.A
Publisher :
Release : 2018-05
ISBN : 9781642241815
Language : En, Es, Fr & De

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Book Description :

Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. The planning of changes to existing buildings differs from new planning through an important condition; the existing construction must be taken as the basis of all planning and building actions. The need for seismic retrofitting of an existing building can arise due to several reasons like: building not designed to code, subsequent updating of code and design practice, subsequent upgrading of seismic zone, deterioration of strength and aging, modification of existing structure, change in use of the building, etc. Seismic retrofit is primarily applied to achieve public safety, with various levels of structure and material survivability determined by economic considerations. In recent years, an increased urgency has been felt to strengthen the deficient buildings, as part of active disaster mitigation, and to work out the modifications that may be made to an existing structure to improve the structural performance during an earthquake. Seismic retrofitting schemes can be either global or local, based on how many members of the structures they are used for. Global Retrofit methods include conventional methods (increase seismic resistance of existing structures) or non-conventional methods (reduction of seismic demand). Strengthening and Retrofitting of Existing Structures is a compendium of cutting-edge trends of the research and existing practices in strengthening and retrofitting of structural elements, as well as the findings of a research endeavor initiated by the authors to investigate and develop a robust structural retrofitting scheme by utilizing elastomeric polymers to enhance the resistance of reinforced concrete (RC) structures. It addresses in detail specific techniques for the strengthening of traditional constructions, reinforced concrete buildings, bridges and their foundations. It also presents insight into the key issues relevant to seismic retrofit of concrete frame buildings. Many guidelines are reviewed regarding seismic rehabilitation of school, office, hospital and apartment buildings.

Improving the Seismic Performance of Existing Buildings and Other Structures

Improving the Seismic Performance of Existing Buildings and Other Structures Book
Author : Barry Goodno
Publisher : ASCE Publications
Release : 2010-12-06
ISBN : 9780784473276
Language : En, Es, Fr & De

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Book Description :

Proceedings of the 2009 ATC & SEI Conference on Improving the Seismic Performance of Buildings and Other Structures, held in San Francisco, California, December 9-11, 2009. Sponsored by Applied Technology Council and the Structural Engineering Institute of ASCE. This collection contains 133 papers that advance an engineering professional's understanding of the tools, techniques, and innovations available to meet the challenges of seismic evaluation and rehabilitation. Those new to seismic rehabilitation will find this collection to be an excellent introduction to the core issues. This volume focuses solely on improving the seismic performance of existing buildings and other structures. The papers present new information on the seismic evaluation and seismic rehabilitation of existing buildings, including case studies, new discoveries, innovative use of technologies and materials, implementation issues, needed improvements to existing standards and methods, and socioeconomic issues.

Seismic Assessment and Rehabilitation of Existing Buildings

Seismic Assessment and Rehabilitation of Existing Buildings Book
Author : Syed Tanvir Wasti,Guney Ozcebe
Publisher : Springer Science & Business Media
Release : 2003
ISBN :
Language : En, Es, Fr & De

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Book Description :

This book will appeal to specialist engineers with enquiring minds and, in a broader sense, to all who live in buildings, especially those in a seismically active region. While the continual development of building codes permits the design of new construction to resist earthquake loads more effectively, a major problem is that buildings which may once have conformed to past seismic codes become structurally unacceptable according to today's codes and need upgrading or `retrofitting'. Poor construction methods also result in buildings that do not conform to any codes. Existing `vulnerable' buildings that require strengthening in earthquake-prone countries immensely outnumber all recent construction. The `health' of buildings thus requires assessment and rehabilitation. Seismic assessment ranges from the cataloguing of `danger symptoms' in individual buildings to structural analyses involving finite element procedures and refined statistical analyses incorporating expert systems, stochastic processes and predictions from available databases. Structures have to be rendered fit for earthquakes, and this book goes a long way towards showing why and how, offering the results of cutting-edge research in the area and presenting innovative methods that enable system improvement while the structure remains in use.

Seismic Assessment and Retrofit of Reinforced Concrete Buildings

Seismic Assessment and Retrofit of Reinforced Concrete Buildings Book
Author : fib Fédération internationale du béton
Publisher : fib Fédération internationale du béton
Release : 2003-08-01
ISBN : 9782883940642
Language : En, Es, Fr & De

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Book Description :

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

The Seismic Rehabilitation of Historic Buildings

The Seismic Rehabilitation of Historic Buildings Book
Author : Antonio Aguilar (Architect),National Park Service (U S )
Publisher : Government Printing Office
Release : 2016
ISBN : 9780160932526
Language : En, Es, Fr & De

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Book Description :

This Preservation Brief provides information on how earthquakes affect historic buildings, how a historic preservation ethic can guide responsible retrofit decisions, and how various methods of seismic rehabilitation can protect human lives and historic structures. The Brief provides a description of the most common vulnerabilities of various building construction types and the seismic strengthening methods most often needed to remedy them. A glossary of technical terms is also provided at the end of the Brief. Undertaking the seismic rehabilitation of a historic building is a process that requires careful planning and execution, and the coordinated work of architects, engineers, code officials, contractors, and agency administrators. Project personnel working together can ensure that the architectural, structural, financial, programmatic, cultural, and social values of historic buildings are preserved, while rendering them safe for continued use.

NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings

NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings Book
Author : Eugene Zeller
Publisher : DIANE Publishing
Release : 2000-06
ISBN : 9780756706272
Language : En, Es, Fr & De

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Book Description :

This document from the National Earthquake Hazards Reduction Program (NEHRP) was prepared for the Building Seismic Safety Council (BSSC) with funding from the Federal Emergency Management Agency (FEMA). It provides commentary on the NEHRP Guidelines for the Seismic Rehabilitation of Buildings. It contains systematic guidance enabling design professionals to formulate effective & reliable rehabilitation approaches that will limit the expected earthquake damage to a specified range for a specified level of ground shaking. This kind of guidance applicable to all types of existing buildings & in all parts of the country has never existed before. Illustrated.

Handbook for the Seismic Evaluation of Existing Buildings

Handbook for the Seismic Evaluation of Existing Buildings Book
Author : Building Seismic Safety Council (U.S.)
Publisher : DIANE Publishing
Release : 1992
ISBN : 9781568069913
Language : En, Es, Fr & De

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Book Description :

Provides engineers involved with the seismic evaluation of existing buildings with guidance concerning the potential earthquake related risk to human life posed by a building or building component.

A Benefit Cost Analysis For The Seismic Rehabilitation On Existing Reinforced Concrete Buildings in zmir

A Benefit Cost Analysis For The Seismic Rehabilitation On Existing Reinforced Concrete Buildings in   zmir Book
Author : Mert Boylu,İzmir Yüksek Teknoloji Enstitüsü
Publisher :
Release : 2005
ISBN :
Language : En, Es, Fr & De

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Book Description :

The Aegean is one of the most seismically active regions of Turkey. The Eqarthquake disasters which occurred in Turkey recently, obligate the seismic rehabilitation of existing buildings and the new construction projects produced to require well-detailed seismic strengthing. On the other hand, before starting an expensive project such as seismic rehabilitation, a benefit/cost analysis is needed to determine whether the proposed project is economically feasible. In this study, a benefit/cost analysis model for the seismic rehabilitation of existing reinforced concrete buildings in Izmir is presented. To express the seismicity of Izmir City, between 1900-2003, the magnitude of Ms 4.9 earthquakes which occurred in Izmir and its vicinity are used as data. The Poisson Model is used to calculate the probability of occurrence. For the seismic risk of Izmir which includes damage to buildings and loss, various damage estimation methods are described. As a generalization of all of the existing reinforced concrete buildings in Izmir Region, two existing reinforced concrete buildings with total building area of 735 square meters and 716 square meters, respectively, which have different social functions, are chosen to estimate whether the seismic rehabilitations of the investigated buildings are economically justified. As a result of the analysis, benefit/cost ratios of both structures are found greater than one which means both rehabilitation projects are economically feasible.

Seismic Rehabilitation of Buildings

Seismic Rehabilitation of Buildings Book
Author : Ugo Morelli
Publisher : DIANE Publishing
Release : 1999-11-01
ISBN : 0788183818
Language : En, Es, Fr & De

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Book Description :

Provides the Federal Emergency Management Agency's Mitigation Directorate with 25 recommended tasks that should be undertaken through the agency's Existing Buildings Program (EBP) in the coming years. The EBP's expanded but continuing mission in seismic rehabilitation is to limit fatalities, life-threatening injuries, & property & economic losses from earthquakes by increasing the number of seismically resistant buildings in all areas of identified earthquake risk. Identifies 4 objectives & 25 tasks to help make our building stock less vulnerable to earthquake damage. Seeks to provide the continuity necessary for an effective Existing Buildings Program.

Seismic Evaluation and Rehabilitation of Structures

Seismic Evaluation and Rehabilitation of Structures Book
Author : Alper Ilki,Michael N. Fardis
Publisher : Springer Science & Business Media
Release : 2013-08-15
ISBN : 3319004581
Language : En, Es, Fr & De

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Book Description :

In the past, facilities considered to be at the end of their useful life were demolished and replaced with new ones that better met the functional requirements of modern society, including new safety standards. Humankind has recently recognised the threats to the environment and to our limited natural resources due to our relentless determination to destroy the old and build anew. With the awareness of these constraints and the emphasis on sustainability, in future the majority of old structures will be retrofitted to extend their service life as long as feasible. In keeping with this new approach, the EU’s Construction Products Regulation 305/2011, which is the basis of the Eurocodes, included the sustainable use of resources as an "Essential Requirement" for construction. So, the forthcoming second generation of EN-Eurocodes will cover not only the design of new structures, but the rehabilitation of existing ones as well. Most of the existing building stock and civil infrastructures are seismically deficient. When the time comes for a decision to prolong their service life with the help of structural and architectural upgrading, seismic retrofitting may be needed. Further, it is often decided to enhance the earthquake resistance of facilities that still meet their functional requirements and fulfil their purpose, if they are not earthquake-safe. In order to decide how badly a structure needs seismic upgrading or to prioritise it in a population of structures, a seismic evaluation is needed, which also serves as a guide for the extent and type of strengthening. Seismic codes do not sufficiently cover the delicate phase of seismic evaluation nor the many potential technical options for seismic upgrading; therefore research is on-going and the state-of-the-art is constantly evolving. All the more so as seismic evaluation and rehabilitation demand considerable expertise, to make best use of the available safety margins in the existing structure, to adapt the engineering capabilities and techniques at hand to the particularities of a project, to minimise disruption of use, etc. Further, as old structures are very diverse in terms of their materials and layout, seismic retrofitting does not lend itself to straightforward codified procedures or cook-book approaches. As such, seismic evaluation and rehabilitation need the best that the current state-of-the-art can offer on all aspects of earthquake engineering. This volume serves this need, as it gathers the most recent research of top seismic experts from around the world on seismic evaluation, retrofitting and closely related subjects.

Handbook for the Seismic Evaluation of Buildings

Handbook for the Seismic Evaluation of Buildings Book
Author : Ugo Morelli
Publisher : DIANE Publishing
Release : 1999-04
ISBN : 9780788176791
Language : En, Es, Fr & De

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Book Description :

Provides a process for seismic evaluation of existing buildings in any region of seismicity. Buildings are evaluated to either the Life Safety or Immediate Occupancy Performance Level. Provides instruction to the evaluating design professional on how to determine if a building is adequately designed and constructed to resist seismic forces. All aspects of building performances are considered in terms of foundation/geologic, structural, hazard, nonstructural issues. Reflects advancements in technology; incorporates design professional experience; incorporates lessons learned during recent earthquakes; and much more.