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International Journal of Steel Structures

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14-12-2022

Examination of Gusset Plate Modeling via Nonlinear Dynamic Analysis

Authors: Hakkı Deniz Gül, Kıvanç Taşkın

Published in: International Journal of Steel Structures | Issue 2/2023

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Abstract

The connection of the braces of special concentrically braced steel frames to the adjoining frames is usually modeled as a pin connection in practice. However, in the actual case, stiff gusset plates settle in brace-ends to provide the connection of brace elements to the structural system. In this study, gusset plates are modeled as the semi-rigid and pin connection to investigate the modeling effects on the structural responses on both member and global levels. The finite element model of a single brace element is calibrated according to previous experimental work to provide reliable analytical work. The two analytical steel frame models of a fictitious office building are created to perform the nonlinear response history analysis. Analysis results showed that the pin connection assumption for the brace-ends could not reflect the buckling behavior of the brace member with sufficient accuracy. Gusset plates should be designed as a structural element, and their mechanical properties should be implemented into the analytical model to accurately simulate the buckling and the post-buckling behavior of brace members.

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Title: Examination of Gusset Plate Modeling via Nonlinear Dynamic Analysis
Authors: Hakkı Deniz Gül
Kıvanç Taşkın
Publication date: 14-12-2022
Publisher: Korean Society of Steel Construction
Published in: International Journal of Steel Structures / Issue 2/2023
Print ISSN: 1598-2351
Electronic ISSN: 2093-6311
DOI: https://doi.org/10.1007/s13296-022-00703-1

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