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Numerical study on lateral torsional buckling of coped beams

Numerical study on lateral torsional buckling of coped beams Generally, in an industrial building, steel I-sections are used as bending member. If the top surface of the main beam and secondary beam is equal, the connection between the main beam and secondary beam becomes very difficult. To solve that problem, coping is provided in the secondary beam to connect in the main beam. This study is focused on the analysis of coped beam by varying coping depth (Cd), coping length (Cl) and location of the end plate. An attempt is made to improve the load carrying capacity of the coped beam by introducing inclined coping. For the analysis, the ratio between coping depth to beam depth (H) is 0.08–0.5 and the coping length to depth of beam ratio is considered between 0.22 and 0.72. It is found that the load carrying capacity of coped beams is reduced in the range of 30–60% when compared to un-coped (Normal) beam. And also, inclined coping is recommended for coped beam which bears the ratios of Cl/H ≥ 0.36 and Cd/H ≥ 0.1. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Numerical study on lateral torsional buckling of coped beams

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References (19)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-022-00180-3
Publisher site
See Article on Publisher Site

Abstract

Generally, in an industrial building, steel I-sections are used as bending member. If the top surface of the main beam and secondary beam is equal, the connection between the main beam and secondary beam becomes very difficult. To solve that problem, coping is provided in the secondary beam to connect in the main beam. This study is focused on the analysis of coped beam by varying coping depth (Cd), coping length (Cl) and location of the end plate. An attempt is made to improve the load carrying capacity of the coped beam by introducing inclined coping. For the analysis, the ratio between coping depth to beam depth (H) is 0.08–0.5 and the coping length to depth of beam ratio is considered between 0.22 and 0.72. It is found that the load carrying capacity of coped beams is reduced in the range of 30–60% when compared to un-coped (Normal) beam. And also, inclined coping is recommended for coped beam which bears the ratios of Cl/H ≥ 0.36 and Cd/H ≥ 0.1.

Journal

Journal of Building Pathology and RehabilitationSpringer Journals

Published: Dec 1, 2022

Keywords: Main beam; Secondary beam; End plate; Coping; Load carrying capacity; Inclined coping

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