Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6777585 | Thin-Walled Structures | 2018 | 24 Pages |
Abstract
Hybrid fabricated columns (HFCs) consisting of mild-steel thin plates connected to ultra-high strength thin-walled tubes at corners have exhibited superior performance compared to the equivalent conventional tubular columns. The higher load-bearing capacity, energy absorption, and post-buckling strength of these columns provide designers with new possibilities in the construction of high-rise buildings. Although several studies have been conducted on these columns, the connection between I-beams and this type of column is challenging. In this paper, using 3-D finite element modelling a numerical study is conducted to compare the behaviour of recently patented bolted modular M-HFC connection between I-beams and HFCs with the welded non-modular type of this connection (called as W-HFC). The performance of the W-HFC connection is also compared with four different types of common conventional connections currently in use in the industry. Moreover, a topology optimisation has been performed on the M-HFC connection in order to reduce the overall weight of the connection components while keeping the moment- rotation characteristics of the connection as close as possible to the originally proposed connection.
Related Topics
Physical Sciences and Engineering
Engineering
Civil and Structural Engineering
Authors
Seyed Nima Sadeghi, Amin Heidarpour, Xiao-Ling Zhao, Riadh Al-Mahaidi,