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Steel and Composite Structures Volume 19, Number 3, September 2015 , pages 585-599 DOI: https://doi.org/10.12989/scs.2015.19.3.585 |
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Fatigue behavior of circular hollow tube and wood filled circular hollow steel tube |
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Ravindra R. Malagi and Bharatesh A. Danawade
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| Abstract | ||
| This paper presents the experimental work on fatigue life and specific fatigue strength of circular hollow sectioned steel tube and wood filled circular hollow section steel tube. Burning effect was observed in the case of circular hollow sectioned steel tube when it is subjected to Maximum bending moment of 19613.30 N-mm at 4200 rpm, but this did not happen in the case of wood filled hollow section. Statistical analysis was done based on the experimental data and relations have been built to predict the number of cycles for the applied stress or vice versa. The relations built in this paper can safely be applied for design of the fatigue life or fatigue strength of circular hollow sections and wood filled hollow sections. Results were validated by static specific bending strengths determined by ANSYS using a known applied load. | ||
| Key Words | ||
| stiffness; fatigue life; specific fatigue strength; reversed cycle stress; S-N curve | ||
| Address | ||
| Department of PDM, Visvesvaraya Technological University, Belgaum, 590 014, India. | ||