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Author: Bruce F. Maison Publisher: ISBN: Category : Building, Iron and steel Languages : en Pages : 74
Book Description
An analytical investigation into the seismic performance of buildings designed with partially restrained (PR) connections as the main elements in the lateral forces resisting system was conducted. The 3- and 9-story buildings used in this analysis were redesigns of buildings previously designed using fully-restrained (FR) connections. Connection stiffnesses and capacities were varied over a range of values to determine their influence on the response of the PR frames. Nonlinear time history analyses were performed on a suite of ground motions to compare performance with the FR design.
Author: Bruce F. Maison Publisher: ISBN: Category : Building, Iron and steel Languages : en Pages : 74
Book Description
An analytical investigation into the seismic performance of buildings designed with partially restrained (PR) connections as the main elements in the lateral forces resisting system was conducted. The 3- and 9-story buildings used in this analysis were redesigns of buildings previously designed using fully-restrained (FR) connections. Connection stiffnesses and capacities were varied over a range of values to determine their influence on the response of the PR frames. Nonlinear time history analyses were performed on a suite of ground motions to compare performance with the FR design.
Author: Federal Emergency Agency Publisher: FEMA ISBN: Category : Languages : en Pages : 256
Book Description
This report, FEMA-351 - Recommended Seismic Evaluation and Upgrade Criteria for Existing Welded Steel Moment-Frame Buildings has been developed by the SAC Joint Venture under contract to the Federal Emergency Management Agency (FEMA) to provide structural engineers with recommended criteria for evaluation of the probable performance of existing steel moment-frame buildings in future earthquakes and to provide a basis for updating and revision of evaluation and rehabilitation guidelines and standards. It is one of a series of companion publications addressing the issue of the seismic performance of steel moment-frame buildings. The set of companion publications includes: FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings. This publication provides recommended criteria, supplemental to FEMA-302 - 1997 NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, for the design and construction of steel moment-frame buildings and provides alternative performance-based design criteria. FEMA-351 - Recommended Seismic Evaluation and Upgrade Criteria for Existing Welded Steel Moment-Frame Buildings. This publication provides recommended methods to evaluate the probable performance of existing steel moment-frame buildings in future earthquakes and to retrofit these buildings for improved performance. FEMA-352 - Recommended Postearthquake Evaluation and Repair Criteria for Welded Steel Moment-Frame Buildings. This publication provides recommendations for performing postearthquake inspections to detect damage in steel moment-frame buildings following an earthquake, evaluating the damaged buildings to determine their safety in the postearthquake environment, and repairing damaged buildings. FEMA-353 - Recommended Specifications and Quality Assurance Guidelines for Steel Moment-Frame Construction for Seismic Applications. This publication provides recommended specifications for the fabrication and erection of steel moment frames for seismic applications. The recommended design criteria contained in the other companion documents are based on the material and workmanship standards contained in this document, which also includes discussion of the basis for the quality control and quality assurance criteria contained in the recommended specifications. The information contained in these recommended evaluation and upgrade criteria, hereinafter referred to as Recommended Criteria, is presented in the form of specific recommendations for design and performance evaluation procedures together with supporting commentary explaining part of the basis for these recommendations.
Author: Federal Emergency Agency Publisher: FEMA ISBN: Category : Languages : en Pages : 201
Book Description
This report, FEMA-353 - Recommended Specifications and Quality Assurance Guidelines for Steel Moment-Frame Construction for Seismic Applications has been prepared by the SAC Joint Venture, under contract to the Federal Emergency Management Agency, to indicate those standards of workmanship for structural steel fabrication and erection deemed necessary to achieve reliably the design performance objectives contained in the set of companion publications prepared under this same contract: FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings, which provides recommended criteria, supplemental to FEMA-302, 1997 NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, for the design and construction of steel moment-frame buildings and provides alternative performance-based design criteria; FEMA-351 - Recommended Seismic Evaluation and Upgrade Criteria for Existing Welded Steel Moment-Frame Buildings, which provides recommended methods to evaluate the probable performance of existing steel moment-frame buildings in future earthquakes and to retrofit these buildings for improved performance; and FEMA-352 - Recommended Postearthquake Evaluation and Repair Criteria for Welded, Steel Moment-Frame Buildings, which provides recommendations for performing postearthquake inspections to detect damage in steel moment-frame buildings following an earthquake, evaluating the damaged buildings to determine their safety in the postearthquake environment, and repairing damaged buildings. The recommended design criteria contained in these three companion reports are based on the material and workmanship standards contained in this document, which also includes discussion of the basis for the quality control and quality assurance criteria contained in the recommended specifications.
Author: Federal Emergency Agency Publisher: FEMA ISBN: Category : Languages : en Pages : 11
Book Description
This report, FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings has been developed by the SAC Joint Venture under contract to the Federal Emergency Management Agency (FEMA) to provide organizations engaged in the development of consensus design standards and building code provisions with recommended criteria for the design and construction of new buildings incorporating moment-resisting steel frame construction to resist the effects of earthquakes. It is one of a series of companion publications addressing the issue of the seismic performance of steel moment-frame buildings. The set of companion publications includes: FEMA-350 - Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings. This publication provides recommended criteria, supplemental to FEMA-302 - 1997 NEHRP Recommended Provisions for Seismic Regulations for New Buildings and Other Structures, for the design and construction of steel moment-frame buildings and provides alternative performance-based design criteria. FEMA-351 - Recommended Seismic Evaluation and Upgrade Criteria for Existing Welded Steel Moment-Frame Buildings. This publication provides recommended methods to evaluate the probable performance of existing steel moment-frame buildings in future earthquakes and to retrofit these buildings for improved performance. FEMA-352 - Recommended Postearthquake Evaluation and Repair Criteria for Welded Steel Moment-Frame Buildings. This publication provides recommendations for performing postearthquake inspections to detect damage in steel moment-frame buildings following an earthquake, evaluating the damaged buildings to determine their safety in the postearthquake environment, and repairing damaged buildings. FEMA-353 - Recommended Specifications and Quality Assurance Guidelines for Steel Moment-Frame Construction for Seismic Applications. This publication provides recommended specifications for the fabrication and erection of steel moment frames for seismic applications. The recommended design criteria contained in the other companion documents are based on the material and workmanship standards contained in this document, which also includes discussion of the basis for the quality control and quality assurance criteria contained in the recommended specifications. The information contained in these recommended design criteria, hereinafter referred to as Recommended Criteria, is presented in the form of specific design and performance evaluation procedures together with supporting commentary explaining part of the basis for these recommendations.
Author: Federico Mazzolani Publisher: Routledge ISBN: 1351413775 Category : Technology & Engineering Languages : en Pages : 878
Book Description
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
Author: Roshani Aryal Publisher: ISBN: 9780438806764 Category : Columns, Concrete Languages : en Pages : 106
Book Description
The predicted seismic performance of 4-story, 8-story, 12-story, and 20-story office buildings with special steel moment frames (SMFs) using Simpson Strong-Tie Strong Frame® moment connections is presented in this thesis. Conventional buildings with SMFs in seismic regions use welded fully-restrained beam-to-column connections and dissipate energy primarily through beam damage in a reduced beam section (RBS). In contrast, Strong Frame beam-to-column connections are bolted, partially-restrained, and dissipate energy by concentrating damage in replaceable links that act as fuse elements. The predicted seismic performance of buildings with Strong Frame connections was compared to the performance of a set of SMF buildings using RBS connections. Static pushover results showed that buildings with Strong Frame connections exhibit slightly higher static overstrength compared to buildings with RBS connections, for all building heights, except for the 20-story RBS building designed using the Equivalent Lateral Force (ELF) procedure. Buildings with Strong Frame connections passed without difficulty the collapse safety requirements specified in FEMA P-695, Quantification of building seismic performance factors, and they also met the collapse safety objective defined in ASCE 7-16, Minimum design loads and associated criteria for buildings and other structures, of no more than a 10% probability of collapse when subjected to risk-adjusted Maximum Considered Earthquake (MCE[subscript]R) level ground accelerations. Additional analyses were conducted using the FEMA P-58, Seismic performance assessment of buildings methodology. These seismic performance analyses indicated that buildings with Strong Frame connections had up to 40% lower repair costs, up to 50% shorter repair time, and a lower probability of being non-functional (“red-tagged”), compared to buildings with RBS connections. Furthermore, Strong Frame Buildings were expected to have up to 50% less residual (permanent) story drift when subjected to MCER level ground accelerations. Therefore, for buildings that are similar to those considered in this research, the seismic performance of buildings with Strong Frame connections is predicted to be superior to the seismic performance of buildings with RBS connections.
Author: Bruce F. Maison
Author: Bruce F. Maison
Author: SAC Joint Venture. Guidelines Development Committee
Author: Federal Emergency Agency
Author: Federal Emergency Agency
Author: SAC Joint Venture. Guidelines Development Committee
Author: SAC Joint Venture. Guidelines Development Committee
Author: SAC Joint Venture. Guidelines Development Committee
Author: Federal Emergency Agency
Author: Federico Mazzolani
Author: Roshani Aryal