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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)

Seismic Assessment and Rehabilitation of Existing Buildings

Seismic Assessment and Rehabilitation of Existing Buildings Book
Author : Syed Tanvir Wasti,Güney Özcebe
Publisher : Springer Science & Business Media
Release : 2003-10-31
ISBN : 9781402016257
Language : En, Es, Fr & De

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Book Description :

The present volume contains a total of 23 papers centred on the research area of Seismic Assessment and Rehabilitation of Existing Buildings. This subject also forms the core of Project SfP977231, sponsored by the NATO Science for Peace Office and supported by the Scientific and Technical Research Council of Turkey [ TUBIT AK ]. Most of these papers were presented by the authors at a NATO Science for Peace Workshop held in Izmir on 13 - 14 May, 2003 and reflect a part of their latest work conducted within the general confines of the title of the NATO Project. Middle East Technical University, Ankara, Turkey serves as the hub of Project SfP977231 and coordinates research under the project with universities within Turkey, e. g. Istanbul Technical University and Kocaeli University, and with partner institutions in Greece and the Former Yugoslav Republic of Macedonia: A few articles have also been contributed by invited experts, who are all noted researchers in the field. Altogether, the contents of the volume deal with a vast array of problems in Seismic Assessment and Rehabilitation and cover a wide range of possible solutions, techniques and proposals. It is intended to touch upon many of these aspects separately below. Earthquakes constitute possibly the most widely spread and also the most feared of natural hazards. Recent earthquakes within the first six months of 2003, such as the Bingol Earthquake in Turkey and the Algerian earthquake, have caused both loss of life and severe damage to property.

Techniques for the Seismic Rehabilitation of Existing Buildings

Techniques for the Seismic Rehabilitation of Existing Buildings Book
Author : U. s. Department of Homeland Security,Federal Emergency Management Agency
Publisher : Createspace Independent Publishing Platform
Release : 2013-04-13
ISBN : 9781484111239
Language : En, Es, Fr & De

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Book Description :

A considerable number of buildings in the existing building stock of the United States present a risk of poor performance in earthquakes because there was no seismic design code available or required when they were constructed, because the seismic design code used was immature and had flaws, or because original construction quality or environmental deterioration has compromised the original design. The practice of improving the seismic performance of existing buildings—known variously as seismic rehabilitation, seismic retrofitting, or seismic strengthening—began in the U.S. in California in the 1940s following the Garrison Act in 1939. This Act required seismic evaluations for pre-1933 school buildings. Substandard buildings were required to be retrofit or abandoned by 1975. Many school buildings were improved by strengthening, particularly in the late 1960s and early 1970s as the deadline approached. Local efforts to mitigate the risks from unreinforced masonry buildings (URMs) also began in this time period. In 1984, the Federal Emergency Management Agency (FEMA) began its program to encourage the reduction of seismic hazards posed by existing older buildings throughout the country. Recognizing that building rehabilitation design is far more constrained than new building design and that special techniques are needed to insert new lateral elements, tie them to the existing structure, and generally develop complete seismic load paths, a document was published for this purpose in 1992. FEMA 172, NEHRP Handbook of Techniques for the Seismic Rehabilitation of Existing Buildings (FEMA, 1992b), was intended to identify and describe generally accepted rehabilitation techniques. The art and science of seismic rehabilitation has grown tremendously since that time with federal, state, and local government programs to upgrade public buildings, with local ordinances that mandate rehabilitation of certain building types, and with a growing concern among private owners about the seismic performance of their buildings. In addition, following the demand for better understanding of performance of older buildings and the need for more efficient and less disruptive methods to upgrade, laboratory research on the subject has exploded worldwide, particularly since the nonlinear methods proposed for FEMA 273 became developed. The large volume of rehabilitation work and research now completed has resulted in considerable refinement of early techniques and development of many new techniques, some confined to the research lab and some widely used in industry. Like FEMA 172, this document describes the techniques currently judged to be most commonly used or potentially to be most useful. Furthermore, it has been formatted to take advantage of the ongoing use of typical building types in FEMA documents concerning existing buildings, and to facilitate the addition of techniques in the future. 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. The goals of the document are to: Describe rehabilitation techniques commonly used for various model building types, Incorporate relevant research results, Discuss associated details and construction issues, Provide suggestions to engineers on the use of new products and techniques.

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 : 0987650XXX
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.

Establishing Programs and Priorities for the Seismic Rehabilitation of Buildings

Establishing Programs and Priorities for the Seismic Rehabilitation of Buildings Book
Author : Anonim
Publisher : DIANE Publishing
Release : 1993-07
ISBN : 9781568069876
Language : En, Es, Fr & De

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Book Description :

Provides nationally applicable guidelines for the use of a local jurisdiction in making informed decisions on rehabilitating seismically hazardous existing buildings. Provides references on the topics discussed in the first report

Strengthening and Retrofitting of Existing Structures

Strengthening and Retrofitting of Existing Structures Book
Author : Anonim
Publisher : Unknown
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.

NEHRP Handbook of Techniques for the Seismic Rehabilitation of Existing Buildings FEMA 172

NEHRP Handbook of Techniques for the Seismic Rehabilitation of Existing Buildings  FEMA 172  Book
Author : Federal Emergency Management Agency
Publisher : Createspace Independent Pub
Release : 2013-04-14
ISBN : 9781484117651
Language : En, Es, Fr & De

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Book Description :

This publication on seismic strengthening of existing buildings is one of a series that FEMA is sponsoring to encourage local decision makers, design professionals, and other interested groups to undertake a program of mitigating the risks posed by existing hazardous buildings in the event of an earthquake. Publications in this series are being prepared under the National Earthquake Hazards Reduction Program (NEHRP) and examine both the engineering/architectural aspects and societal impacts of seismic rehabilitation. FEMA's existing buildings activities are structured to result in a coherent, cohesive, carefully selected and planned reinforcing set of documents designed for national applicability. The resulting publications (descriptive reports, handbooks, and supporting documentation) provide guidance primarily to local elected and appointed officials and design professionals on how to deal not only with earthquake engineering problems but also with the public policy issues and societal dislocations associated with major seismic events. This handbook of techniques for solving a variety of seismic rehabilitation problems and its companion publication on the seismic evaluation of existing buildings reflect basic input provided by two organizations recognized for their retrofit evaluation and design experience as well as the results of a consensus development activity carried out by the Building Seismic Safety Council (BSSC). The preliminary version of this document, the NEHRP Handbook of Techniques for the Seismic Rehabilitation of Existing Buildings, was developed for FEMA by URS/John A. Blume and Associates, Engineers (URS/Blume). A companion volume, the NEHRP Handbook for the Seismic Evaluation of Existing Buildings, for which a preliminary version was developed for FEMA by the Applied Technology Council (ATC), provides a method for evaluating existing buildings to identify those that are likely to be seismically hazardous. The BSSC project, initiated at the request of FEMA in October 1988, has focused on identification and resolution of technical issues in and appropriate revision of the two handbooks by a 22-member Retrofit of Existing Buildings (REB) Committee composed of individuals possessing expertise in the various subjects needed to address seismic rehabilitation.

Seismic Rehabilitation of Buildings

Seismic Rehabilitation of Buildings Book
Author : Anonim
Publisher : DIANE Publishing
Release : 1993-07
ISBN : 9781568069944
Language : En, Es, Fr & De

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Book Description :

Download Seismic Rehabilitation of Buildings book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

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 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

Planning for Seismic Rehabilitation

Planning for Seismic Rehabilitation Book
Author : Federal Emergency Management Agency
Publisher : CreateSpace
Release : 2013-04-03
ISBN : 9781484027592
Language : En, Es, Fr & De

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Book Description :

In 1984, the Federal Emergency Management Agency (FEMA) initiated a comprehensive, and closely coordinated program to develop a body of knowledge in support of building practices that would increase the ability of existing buildings to withstand the forces of earthquakes. Societal issues inherent in seismic rehabilitation processes also have received attention. At a cumulative cost of about $26million, this FEMA effort has generated two dozen publications and a number of software programs and audio-visual training materials for use by design professionals, building regulatory personnel, educators, researchers, and the general public. The program has proceeded along separate but parallel approaches in dealing with both private sector and federal buildings. Already available from FEMA to private sector practitioners and other interested parties is a "technical platform" of consensus criteria on how to deal with some of the major engineering aspects of the seismic rehabilitation of buildings. This technical material comprises a trilogy with supporting documentation: a method for the rapid identification of buildings that might be hazardous in an earthquake and which can be conducted without gaining access to the buildings themselves; a methodology for a more detailed evaluation of a building that identifies structural flaws that have caused collapse in past earthquakes and might do so again in future earthquakes, and a compendium of the most commonly used techniques of seismic rehabilitation. Along with this volume, the culminating activity in the field of seismic rehabilitation is the completion of a comprehensive set of nationally applicable guidelines with commentary on how to rehabilitate buildings so that they will better withstand earthquakes. Known as the AEJRP Guidelines for the Seismic Rehabilitation of Buildings (FEMA 273) and the Commentary on the Guidelines for the Seismic Rehabilitation of Buildings (FEMA 274), these volumes, the results of a multiyear, multimillion dollar effort, represent a first of its kind in the United States. The Guidelines allow practitioners to choose design approaches consistent with different levels of seismic safety as required by geographic location, performance objective, type of building, use or occupancy, or other relevant considerations. The Guidelines documents also include analytical techniques that will assist in generating reliable estimates of the expected earthquake performance of rehabilitated buildings. This extensive platform of materials fills a significant gap in that portion of the National Earthquake Hazards Reduction Program (NEHRP) focusing on the seismic safety of existing buildings. It is expected that, with time, the Guidelines will be referenced or adapted by standards-setting groups and model building code organizations and will thereby diffuse widely into building practices across the United States. This volume complements the technical materials principally oriented to design professionals in the Guidelines documents. Because of the complexities and possible disruption caused by seismic rehabilitation projects, this volume's title, Planning for Seismic Rehabilitation: Societal Issues, calls attention to two important themes: that careful planning can minimize possibly difficult societal problems and that there exists a wide range of societal issues that maybe more significant in rehabilitation projects than in new construction. In many ways, this publication is intended to provide a "heads up" to those who are considering individual or multiple building, construction class or use, or area-focused seismic rehabilitation efforts.

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 : Unknown
Release : 2005
ISBN : 0987650XXX
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.

The Economic Feasibility of Seismic Rehabilitation of Buildings by Base Isolation

The Economic Feasibility of Seismic Rehabilitation of Buildings by Base Isolation Book
Author : James M. Kelly
Publisher : Unknown
Release : 1983
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Economic Feasibility of Seismic Rehabilitation of Buildings by Base Isolation book written by James M. Kelly, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

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.

Development of Guidelines for Seismic Rehabilitation of Buildings

Development of Guidelines for Seismic Rehabilitation of Buildings Book
Author : Applied Technology Council
Publisher : Unknown
Release : 1992
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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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 : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Papers from a May 2003 workshop, 23 in all, describe methods for seismic assessment and rehabilitation of existing buildings. The velocity of displacement, preliminary seismic vulnerability assessment of existing reinforced concrete buildings in Turkey, and parameters affecting damageability of reinforced concrete members are some areas discussed. Other areas examined include estimation of earthquake damage probabilities for reinforced concrete buildings, condition assessment techniques used for non-buildings structures, simple survey procedures for seismic risk assessment in urban building stocks, earthquake engineering and seismic rehabilitation in Colombia, seismic retrofit of reinforced concrete structures, and experimental and analytical investigation of 1/3-model R/C frame-wall building structures. A CD-ROM is included. Annotation : 2004 Book News, Inc., Portland, OR (booknews.com).

The Retrofitting of Existing Buildings for Seismic Criteria

The Retrofitting of Existing Buildings for Seismic Criteria Book
Author : Christa Besing
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This thesis describes the process for retrofitting a building for seismic criteria. It explains the need for a new, performance-based design code to provide a range of acceptable building behavior. It then outlines the procedure for retrofitting a building. This procedure begins with acquiring information about the existing building and its surroundings. The building owner or client then needs to work with the design professional to establish an acceptable performance level, or rehabilitation objective. A rehabilitation method must then be selected that determines how the building should be analyzed. The analysis of the building, including suggested rehabilitation strategies, must then be performed. Once the analysis indicates that the building will perform to its prescribed performance level, the rehabilitation strategies must then be implemented. The thesis ends with a description of two buildings that have recently been retrofitted, or are in the processes of being retrofitted. It gives an overview of the selected rehabilitation strategies and the reasoning behind their selection.

An Evaluation of a Proposed Approach for the Seismic Rehabilitation of Buildings

An Evaluation of a Proposed Approach for the Seismic Rehabilitation of Buildings Book
Author : Nicolas Anthony Brunetti
Publisher : Unknown
Release : 1995
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download An Evaluation of a Proposed Approach for the Seismic Rehabilitation of Buildings book written by Nicolas Anthony Brunetti, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Advances in Earthquake Engineering for Urban Risk Reduction

Advances in Earthquake Engineering for Urban Risk Reduction Book
Author : S. Tanvir Wasti,Guney Ozcebe
Publisher : Springer Science & Business Media
Release : 2006-06-15
ISBN : 1402045719
Language : En, Es, Fr & De

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Book Description :

Earthquakes affecting urban areas can lead to catastrophic situations and hazard mitigation requires preparatory measures at all levels. Structural assessment is the diagnosis of the seismic health of buildings. Assessment is the prelude to decisions about rehabilitation or even demolition. The scale of the problem in dense urban settings brings about a need for macro seismic appraisal procedures because large numbers of existing buildings do not conform to the increased requirements of new earthquake codes and specifications or have other deficiencies. It is the vulnerable buildings - liable to cause damage and loss of life - that need immediate attention and urgent appraisal in order to decide if structural rehabilitation and upgrading are feasible. Current economic, efficient and occupant-friendly rehabilitation techniques vary widely and include the application either of precast concrete panels or layers, strips and patches of fiber reinforced polymers (FRP) in strategic locations. The papers in this book, many by renowned authorities in earthquake engineering, chart new and vital directions of research and application in the assessment and rehabilitation of buildings in seismic regions. While several papers discuss the probabilistic prediction and quantification of structural damage, others present approaches related with the in-situ and occupant friendly upgrading of buildings and propose both economical and practical techniques to address the problem.