Proceedings Of Fourth U S Japan Workshop On The Improvement Of Building Structural Design And Construction Practices

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Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings

Author : Federal Emergency Agency
Publisher : FEMA
Page : 274 pages
File Size : 48,6 Mb
Release : 2013-04-02
Category : Electronic
ISBN : 8210379456XXX

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Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings by Federal Emergency Agency Pdf

Following the two damaging California earthquakes in 1989 (Loma Prieta) and 1994 (Northridge), many concrete wall and masonry wall buildings were repaired using federal disaster assistance funding. The repairs were based on inconsistent criteria, giving rise to controversy regarding criteria for the repair of cracked concrete and masonry wall buildings. To help resolve this controversy, the Federal Emergency Management Agency (FEMA) initiated a project on evaluation and repair of earthquake damaged concrete and masonry wall buildings in 1996. The ATC-43 project addresses the investigation and evaluation of earthquake damage and discusses policy issues related to the repair and upgrade of earthquake damaged buildings. The project deals with buildings whose primary lateral-force-resisting systems consist of concrete or masonry bearing walls with flexible or rigid diaphragms, or whose vertical-load-bearing systems consist of concrete or steel frames with concrete or masonry infill panels. The intended audience is design engineers, building owners, building regulatory officials, and government agencies. The project results are reported in three documents. The FEMA 306 report, Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings, Basic Procedures Manual, provides guidance on evaluating damage and analyzing future performance. Included in the document are component damage classification guides, and test and inspection guides. FEMA 307, Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings, Technical Resources, contains supplemental information including results from a theoretical analysis of the effects of prior damage on single-degree-of-freedom mathematical models, additional background information on the component guides, and an example of the application of the basic procedures. FEMA 308, The Repair of Earthquake Damaged Concrete and Masonry Wall Buildings, discusses the policy issues pertaining to the repair of earthquake damaged buildings and illustrates how the procedures developed for the project can be used to provide a technically sound basis for policy decisions. It also provides guidance for the repair of damaged components.

Repair of Earthquake Damaged Concrete and Masonry Wall Buildings

Author : Federal Emergency Agency
Publisher : FEMA
Page : 72 pages
File Size : 47,6 Mb
Release : 2013-04-13
Category : Electronic
ISBN : 8210379456XXX

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Repair of Earthquake Damaged Concrete and Masonry Wall Buildings by Federal Emergency Agency Pdf

Following the two damaging California earthquakes in1989 (Loma Prieta) and 1994 (Northridge), many concrete wall and masonry wall buildings were repaired using federal disaster assistance funding. The repairs were based on inconsistent criteria, giving rise to controversy regarding criteria for the repair of cracked concrete and masonry wall buildings. To help resolve this controversy, the Federal Emergency Management Agency (FEMA) initiated a project on evaluation and repair of earthquake-damaged concrete and masonry wall buildings in 1996. The ATC-43 project addresses the investigation and evaluation of earthquake damage and discusses policy issues related to the repair and upgrade of earthquake-damaged buildings. The project deals with buildings whose primary lateral-force-resisting systems consist of concrete or masonry bearing walls with flexible or rigid diaphragms, or whose vertical-load-bearing systems consist of concrete or steel frames with concrete or masonry infill panels. The intended audience is design engineers, building owners, building regulatory officials, and government agencies. The project results are reported in three documents. TheFEMA306report, Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings, Basic Procedures Manual, provides guidance on evaluating damage and analyzing future performance. Included in the document are component damage classification guides, and test and inspection guides. FEMA 307, Evaluation of Earthquake Damaged Concrete and Masonry Wall Buildings, Technical Resources, contains supplemental information including results from a theoretical analysis of the effects of prior damage on single-degree-of-freedom mathematical models, additional background information on the component guides, and an example of the application of the basic procedures. FEMA 308, The Repair of Earthquake Damaged Concrete and Masonry Wall Buildings ,discusses the policy issues pertaining to the repair of earthquake-damaged buildings and illustrates how the procedures developed for the project can be used to provide a technically sound basis for policy decisions. It also provides guidance for the repair of damaged components.

Comprehensive Earthquake Preparedness Planning Guidelines

Author : Southern California Earthquake Preparedness Project
Publisher : Unknown
Page : 276 pages
File Size : 46,8 Mb
Release : 1985
Category : Business insurance
ISBN : MINN:30000006782373

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Comprehensive Earthquake Preparedness Planning Guidelines by Southern California Earthquake Preparedness Project Pdf

Nonlinear Seismic Analysis and Design of Reinforced Concrete Buildings

Author : P. Fajfar,H. Krawinkler
Publisher : CRC Press
Page : 318 pages
File Size : 46,9 Mb
Release : 1992-03-20
Category : Architecture
ISBN : 9781851667642

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Nonlinear Seismic Analysis and Design of Reinforced Concrete Buildings by P. Fajfar,H. Krawinkler Pdf

Forty scientists working in 13 different countries detail in this work the most recent advances in seismic design and performance assessment of reinforced concrete buildings. It is a valuable contribution in the mitigation of natural disasters.

Displacement-based Seismic Design of Reinforced Concrete Buildings

Author : fib Fédération internationale du béton
Publisher : fib Fédération internationale du béton
Page : 206 pages
File Size : 40,9 Mb
Release : 2003
Category : Technology & Engineering
ISBN : 2883940657

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Displacement-based Seismic Design of Reinforced Concrete Buildings by fib Fédération internationale du béton Pdf

A brief summary of the history of seismic design as given in chapter 1, indicates that initially design was purely based on strength or force considerations. When the importance of displacement, however, became better appreciated, it was attempted to modify the existing force-based approach in order to include considerations of displacement, rather than to totally reconsider the procedure on a more rational basis. In the last decade, then, several researchers started pointing out this inconsistency, proposing displacement-based approaches for earthquake engineering evaluation and design, with the aim of providing improved reliability in the engineering process by more directly relating computed response and expected structural performance. The main objective of this report is to summarize, critically review and compare the displacement - based approaches proposed in the literature, thus favouring code implementation and practical use of rational and reliable methods. Chapter 2 Seismic performance and design objectives of this report introduces concepts of performance levels, seismic hazard representation, and the coupling of performance and hazard to define performance objectives. In fact, for displacement analysis to be relevant in the context of performance-based design, the structural engineer must select appropriate performance levels and seismic loadings. A critical review of some engineering limit states appropriate to the different performance levels is therefore proposed. In chapter 3 Conceptual basis for displacement-based earthquake resistant design, the fundamental principles associated with displacement of the ground during an earthquake and the effects, in terms of displacement, in the structure, are reviewed. The historical development guides the presentation with a review of general linear and nonlinear structural dynamics principles, general approaches to estimate displacement, for both ground and structure, and finally a general presentation of the means to measure and judge the appropriateness of the displacements of the structure in section. Chapter 4 Approaches and procedures for displacement-based design can be somehow considered the fundamental part of the report, since a critical summary of the displacement - based approaches proposed by different researchers is presented there. Displacement - based design may require specific characterization of the input ground motion, a topic addressed in Chapter 5 Seismic input. In general, various pertinent definitions of input motion for non-code format analysis are included, while peak ground parameters necessary for code base shear equations are only addressed as needed for the definition of motion for analysis. Chapter 6 Displacement capacity of members and systems addresses the fundamental problem of evaluating the inelastic displacement capacity of reinforced concrete members and realistic values of their effective cracked stiffness at yielding, including effects of shear and inclined cracking, anchorage slip, bar buckling and of load cycling. In Chapter 7 Application and evaluation of displacement-based approaches, some of the many different displacement based design procedures briefly introduced in Chapter 4 are applied to various case studies, identifying and discussing the difficulties a designer may encounter when trying to use displacement based design. Results for five different case studies designed in accordance with eight different displacement based design methods are presented. Although in general case studies are considered a useful but marginal part of a state of the art document, in this case it has to be noted that chapter 7 is possibly the most innovative and fundamental part of the whole report. The conclusions of chapter 7 are the fundamental and essential conclusions of the document and allow foreseeing a bright future for displacement - based design approaches. The state-of-art report has been elaborated over a period of 4 years by Task Group 7.2 Displacement-based design and assessment of fib Commission 7Seismic design, a truly international team of experts, representing the expertise and experience of all the important seismic regions of the world. In October 2002 the final draft of the Bulletin was presented to the public during the 1st fibCongress in Osaka. It was also there that it was approved by fib Commission 7Seismic Design.

NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings

Author : Eugene Zeller
Publisher : DIANE Publishing
Page : 500 pages
File Size : 45,6 Mb
Release : 2000-06
Category : Technology & Engineering
ISBN : 0756706270

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NEHRP Commentary on the Gidelines for the Seismic Rehabilitation of Buildings by Eugene Zeller Pdf

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.

Improvement of Buildings' Structural Quality by New Technologies

Author : Christian Schauer
Publisher : CRC Press
Page : 688 pages
File Size : 48,8 Mb
Release : 2005-01-20
Category : Technology & Engineering
ISBN : 0415366100

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Improvement of Buildings' Structural Quality by New Technologies by Christian Schauer Pdf

Around 100 scientists from 21 countries contributed to the four years of assembled works contained in this volume. Launched in May 2000, the aims of this cooperative action were: * to develop, combine and disseminate new technical engineering technologies * to improve the quality of urban buildings * to propose new technical solutions to architects and planners * to reduce the disturbance caused by construction in urban areas and improve urban quality of life. This publication is the final report of COST C12, and includes datasheets of key information related to mixed building technology, structural integrity under exception actions, and urban design.

PCI Journal

Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 53,7 Mb
Release : 1993
Category : Precast concrete
ISBN : UCSD:31822020422176

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PCI Journal by Anonim Pdf

STESSA 2003 - Behaviour of Steel Structures in Seismic Areas

Author : Federico Mazzolani
Publisher : Routledge
Page : 868 pages
File Size : 41,9 Mb
Release : 2018-03-29
Category : Technology & Engineering
ISBN : 9781351413787

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STESSA 2003 - Behaviour of Steel Structures in Seismic Areas by Federico Mazzolani Pdf

Presenting a comprehensive overview of recent developments in the field of seismic resistant steel structures, this volume reports upon the latest progress in theoretical and experimental research into the area, and groups findings in the following key sections: · performance-based design of structures · structural integrity under exceptional loading · material and member behaviour · connections · global behaviour · moment resisting frames · passive and active control · strengthening and repairing · codification · design and application