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Research Article

An experimental study on composite steel encased portal frame under cyclic loading

Sheeba Ebenezer J1,2, Tensing D2, Vincent Sam Jebadurai S1

1Department of Civil Engineering Salalah College of Technology, UTAS, Salalah, Sultanate of Oman     

2Department of Civil Engineering, Karunya Institute of Technology and Sciences, Coimbatore, India

Keywords

Abstract


Steel encased portal frame;

Shear connectors;         

Yield strength;

Ductility;

Ultimate load

This research paper discusses the study on steel encased portal frame, which utilizes the shear connectors within the specimen to enhance ductility and ultimate load carrying capacity. Shear connectors can significantly boost the specimen's overall strength and load bearing capability. To investigate this behaviour, cyclic static load test on one bare frame and three portal frames were conducted. The specimens have shear connector of spacing variation as 75mm, 100mm and 125mm which were tested at the rate of ±0.1 tonne per cycle. It has been noticed that when shear connector spacing reduces, the ultimate load bearing capacity improves. These tests enabled a detailed analysis through experimental process of failure, hysteresis curve plot, for all the three portal frames. In hysteresis curve, no pinching effect was found whereas yield strength was found to be increased.

© 2022 MIM Research Group. All rights reserved.

LATEST News

01/01/2024 Best Paper Award: The winners of 2023 Best Paper Award of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Author Awards section.


01/01/2024 Most Cited Paper Award: The winners of 2023 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Author Awards section.


01/01/2024 Reviewer Awards: The winners of 2023 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section.


8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.


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LATEST AWARDS


2023 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.



2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.



2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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