ASCE 31 and 41: Apocalypse Now

Paret, Terrence F.; Searer, Gary R.; Freeman, Stephen

doi:10.1061/41171(401)239

Cited by 7 publications

(5 citation statements)

References 2 publications

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“…Additionally, needs for the advancement of PBSD have been highlighted by other researchers and practitioners (Toranzo-Dianderas 2009;SEAONC 2010;Paret et al 2011;Pekelnicky and Poland 2012).…”

Section: Bmentioning

confidence: 99%

Assessment of first generation performance-based seismic design methods for new steel buildings, volume 4 :

Speicher¹,

Harris²

2020

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Certain commercial software, equipment, instruments, or materials may have been used in the preparation of information contributing to this report. Identification in this report is not intended to imply recommendation or endorsement by NIST, nor is it intended to imply that such software, equipment, instruments, or materials are necessarily the best available for the purpose.NIST policy is to use the International System of Units (metric units) in all its publications. In this report, however, information is presented in U.S. Customary Units (inch-pound), as this is the preferred system of units in the U.S. earthquake engineering industry.

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Section: Bmentioning

confidence: 99%

Assessment of first generation performance-based seismic design methods for new steel buildings, volume 4 :

Speicher¹,

Harris²

2020

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“…Under these circumstances, ASCE 41-06 seems to discourage, or even prohibit, the use of engineering judgment and decision making by its prescriptive procedure (Searer et al 2008). As a consequence, even inexperienced structural engineers are then encouraged to carry out performance-based seismic evaluation and design by using ASCE 41-06 which results in inappropriate engineering analysis, overestimation, dispensable strengthening of structures, and additional costs (Paret et al 2011).…”

Section: Code-based Seismic Performance Assessmentmentioning

confidence: 99%

Seismic Reliability and Risk Assessment of Structures Based on Fragility Analysis – A Review

Sfahani

Guan

Loo

2015

Advances in Structural Engineering

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A practical approach to explain the consequences of seismic hazards for society and decision making organisations is predicting the seismic risk. In this regard, the Probabilistic Seismic Hazard Analysis (PSHA) is used extensively to investigate the probability of different seismic hazard levels at a geographical location. In addition, a further advancement is the introduction of Probabilistic Seismic Demand Analysis (PSDA) method because it provides a new insight into the Performance-Based Earthquake Engineering (PBEE) by evaluating the seismic risk specifically for a structure. To evaluate this seismic risk, the probability that the structural seismic demands may exceed a specific value is calculated under different ground motion intensities through a probabilistic approach. This approach is called the fragility analysis. This paper provides a review of recent research advancements in seismic fragility analysis. Different methods and related solutions which can be used for the fragility analysis are discussed. In addition, uncertainty quantification, as a significant feature in fragility analysis, is described and the important parameters which may influence the seismic fragility of a structure are explained. Finally, the authors offer their recommendations for improving the fragility analysis for further studies in the future.

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“…However, it refers to the American Society of Civil Engineers' Seismic Rehabilitation of Existing Buildings (ASCE 41-06) for determining the beam, column, and moment connection capacities and corresponding rotation limits. This publication is intended for use in the evaluation of existing buildings under seismic loading and has in fact come under some criticism for its reliability and consistency in this area (Paret et al 2011). This begs the questionHow applicable are seismic criteria to disproportionate collapse?…”

Section: Introduction To Progressive and Disproportionate Collapsementioning

confidence: 98%

Steel Moment Frame Connection Performance Limits for Disproportionate Collapse

Field¹,

Wopschall²,

Coughlin³

2012

20th Analysis and Computation Specialty Conference

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Disproportionate collapse is an extreme loading event requiring consideration of all available load paths within a structure. Current criteria quantify acceptable performance limits through the use of seismic documentation. For steel moment frame structures, specifically, ASCE Standard 41-06 is used to quantify a loss of moment resisting capacity in the beam-column connections. This currently serves as the performance limit for the disproportionate collapse analysis of steel moment frame structures. A case study is presented featuring the disproportionate collapse analysis of an existing 33-story steel moment frame building using the nonlinear dynamic finite element program, LS-DYNA. The limitations encountered using ASCE 41-06 performance limits for disproportionate collapse analysis are discussed and finite element modeling considerations are enumerated. Furthermore, recent research on the collapse performance of seismic steel moment frame connections supporting this case study's conclusions regarding the limitations of ASCE 41-06 for disproportionate collapse analysis is discussed and recommendations for further research are proposed.

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ASCE 31 and 41: Apocalypse Now

Cited by 7 publications

References 2 publications

Assessment of first generation performance-based seismic design methods for new steel buildings, volume 4 :

Assessment of first generation performance-based seismic design methods for new steel buildings, volume 4 :

Seismic Reliability and Risk Assessment of Structures Based on Fragility Analysis – A Review

Steel Moment Frame Connection Performance Limits for Disproportionate Collapse

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