Fracture Mechanism and Ductility Construction of Joints of H-Style Beam-Square Tubular Column

You Qian Huang; Wan Zhen Wang; Wei Tao Wang; Ke Ting Tong

doi:10.4028/www.scientific.net/AMR.446-449.484

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Fracture Mechanism and Ductility Construction of...

Fracture Mechanism and Ductility Construction of Joints of H-Style Beam-Square Tubular Column

Abstract:

Numerical simulation and fracture analysis were performed on conventional joint of H-style beam-square steel tubular column based on suggested elliptical yield model. The modified coefficient of elliptical fracture model was obtained by equivalently calculating the effects of residual stress and flaws. Using the elliptical fracture model with equivalently calculating the effects of residual stress and disfigurement for evaluation, the parameters of slot holes and horizontal haunch at beam flanges on failure mode of joints of H-style steel beam-square steel tubular column were studied by finite element method. The results indicate that the plastic rotation of joints of H-style beam-square steel tubular column with slot holes and horizontal haunch at beam flanges reach 0.03rad and meet with the requirement of the interim guidelines FEMA, and the loading capacity decrease within 15% compared with that of the conventional joint.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

484-489

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.484

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Online since:

January 2012

Authors:

You Qian Huang, Wan Zhen Wang, Wei Tao Wang, Ke Ting Tong

Keywords:

Elliptical Fracture Model, Horizontal Haunch at Beam Flange, Joints of H-Style Steel Beam-Square Steel Tubular Column, Loading Capacity, Plastic Rotation, Slot Holes

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