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Full Height Rectangular Opening Castellated Steel Beam with Diagonal Stiffener

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Abstract:

The full height rectangular opening castellated steel beam failed in Vierendeel mechanism. This makes the flexural capacity of castellated steel beam is lower than the original IWF section. This paper discusses analysis and test result of a full height rectangular opening castellated steel beam with diagonal stiffener. The diagonal stiffener used in this research has a purpose of preventing Vierendeel mechanism. This research used two specimens, a short span specimen to study shear behavior, and a long span specimen to study flexural behavior. Test results show that the long span specimen can avoid Vierendeel mechanism and increase the yield moment capacity by 1.6 times of the original IWF section. The failure of the short span specimen is a combination of shear failure and Vierendeel mechanism as in elastic condition, the diagonal stiffener, flange, and web post were worked and failed together. Based on the test result, truss analysis method can be used to calculate the flexural capacity of full height rectangular opening castellated steel beam with diagonal stiffener. Theoretical calculation of yield moment capacity of the long span specimen has 8.25% difference from the real yield moment capacity.

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Periodical:

Applied Mechanics and Materials (Volume 881)

Pages:

150-157

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.881.150

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Online since:

May 2018

Authors:

Muhamad A. Rusli*, Ali Murtopo, Iman Satyarno, M. Fauzie Siswanto

Keywords:

Castellated, Diagonal Stiffener, Rectangular Opening

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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References

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