Earthquake-induced net section fracture in brace connections — experiments and simulations

Shaw, Sean M.; Kanvinde, Amit; Fell, Benjamin

doi:10.1016/j.jcsr.2010.06.002

Cited by 10 publications

(2 citation statements)

References 14 publications

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“…In addition to the system behavior in CBFs, brace connection analysis and design and calculation of the connection interface forces have been a subject for several numerical and experimental studies (Thornton, 1984;Astaneh-Asl et al, 1985;Bjorhovde and Chakrabarti, 1985;Willibald et al, 2006;Shaw et al, 2010;Wigle and Fahnestock, 2010). The uniform force method (UFM) is a popular method typically used to distribute brace forces through the corner connections (Thornton, 1991).…”

Section: Introductionmentioning

confidence: 99%

Investigation on the Performance of a Mathematical Model to Analyze Concentrically Braced Frame Beams with V-Type Bracing Configurations

Hadad,

Fortney

2020

Eng J

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The chevron effect and the corresponding mathematical model used to predict the beam shear force and bending moment demands on beams in concentrically braced frames with V- or inverted V-type (also known as chevrons) configurations is studied in this paper. The common analysis approach considers beam span, work point location, and a concentrated force representing the unbalanced vertical forces of the braces while ignoring any local effects resulting from the brace connection geometry. The assumptions and load distribution mechanisms in the connection region that have been discussed in earlier literature are presented, and the performance of the mathematical model based on chevron effect (CE method) is examined by comparing its results with the results of a net vertical force method (NVF) in addition to those obtained by finite element analysis. The analysis procedure recently proposed for beams in chevron concentrically braced frames is used to design the beams in a group of 20 beam-gusset assemblies. The results revealed the presence of the chevron effect in chevron beams. It also showed the CE method is able to estimate the beam maximum shear force and bending moment. Additionally, the stress distribution along the gusset-to-beam interface is studied.

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Section: Introductionmentioning

confidence: 99%

Investigation on the Performance of a Mathematical Model to Analyze Concentrically Braced Frame Beams with V-Type Bracing Configurations

Hadad,

Fortney

2020

Eng J

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“…In recent decades, a significant amount of research has been conducted on the seismic behavior and design of CBFs. A major portion of these studies has focused mainly on the response of bracing members and their connections [3][4]. Extensive experimental [5][6][7] and numerical [8,[9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] investigations have also been undertaken to study the behavior of single-story and multi-story CBFs under severe loading scenarios, assessing both the system level and component level responses.…”

Section: Introductionmentioning

confidence: 99%

Comparison Study of CBFs and EBFs Bracing in Steel Structures with Nonlinear Time History Analysis

Khademi

Rezaie

2017

CivileJournal

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Steel concentrically braced frames (CBFs) and Steel eccentricity braced frames (EBFs) are frequently used as efficient lateral load resisting systems to resist earthquake and wind loads. This paper focuses on high seismic applications where the brace members in CBFs and EBFs dissipate energy through repeated cycles of buckling and yielding. The present study evaluates in detail the design philosophies and provisions used in the United States for these systems. The results of a total of 176 analysis of nonlinear history of seismic behavior of CBFs and EBFs braces have been presented. Notable differences are observed between the performances of the CBFs and EBFs designed using American provisions. The similarities and differences are thoroughly discussed.

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Experimental testing of a self-centring concentrically braced steel frame

O’Reilly

Goggins

2021

Engineering Structures

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Earthquake-induced net section fracture in brace connections — experiments and simulations

Cited by 10 publications

References 14 publications

Investigation on the Performance of a Mathematical Model to Analyze Concentrically Braced Frame Beams with V-Type Bracing Configurations

Investigation on the Performance of a Mathematical Model to Analyze Concentrically Braced Frame Beams with V-Type Bracing Configurations

Comparison Study of CBFs and EBFs Bracing in Steel Structures with Nonlinear Time History Analysis

Experimental testing of a self-centring concentrically braced steel frame

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