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Strength deformation behaviour of circular concrete filled steel tubes subjected to pure bending

Chitawadagi, Manojkumar V. / Narasimhan, Mattur C.

AbstractThe strength deformation behaviour of circular steel tubes filled with different grades of concrete under flexure is presented. The effects of steel tube thickness, the cross sectional area of concrete, strength of in-filled concrete and the confinement of concrete on moment capacity and curvature of Concrete Filled steel Tubes (CFTs) are examined. Measured flexural strengths are compared with the values predicted by EC4-1994 and LRFD-AISC-1999 code provisions. A total of ninety nine specimens, all one metre long, were tested with concrete fills of 20, 30 and 40 N/mm² characteristic strength and with $D / t$ ratio 22.3 to 50.8. Based on the experimental results, an interaction model to predict moment and curvature of the CFT sample is developed.

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Strength deformation behaviour of circular concrete filled steel tubes subjected to pure bending

Chitawadagi, Manojkumar V. / Narasimhan, Mattur C.

AbstractThe strength deformation behaviour of circular steel tubes filled with different grades of concrete under flexure is presented. The effects of steel tube thickness, the cross sectional area of concrete, strength of in-filled concrete and the confinement of concrete on moment capacity and curvature of Concrete Filled steel Tubes (CFTs) are examined. Measured flexural strengths are compared with the values predicted by EC4-1994 and LRFD-AISC-1999 code provisions. A total of ninety nine specimens, all one metre long, were tested with concrete fills of 20, 30 and 40 N/mm² characteristic strength and with $D / t$ ratio 22.3 to 50.8. Based on the experimental results, an interaction model to predict moment and curvature of the CFT sample is developed.

Strength deformation behaviour of circular concrete filled steel tubes subjected to pure bending

Chitawadagi, Manojkumar V. / Narasimhan, Mattur C.

AbstractThe strength deformation behaviour of circular steel tubes filled with different grades of concrete under flexure is presented. The effects of steel tube thickness, the cross sectional area of concrete, strength of in-filled concrete and the confinement of concrete on moment capacity and curvature of Concrete Filled steel Tubes (CFTs) are examined. Measured flexural strengths are compared with the values predicted by EC4-1994 and LRFD-AISC-1999 code provisions. A total of ninety nine specimens, all one metre long, were tested with concrete fills of 20, 30 and 40 N/mm² characteristic strength and with $D / t$ ratio 22.3 to 50.8. Based on the experimental results, an interaction model to predict moment and curvature of the CFT sample is developed.

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Title:

Strength deformation behaviour of circular concrete filled steel tubes subjected to pure bending

Contributors:

Chitawadagi, Manojkumar V. (author) / Narasimhan, Mattur C. (author)

Published in:

Journal of Constructional Steel Research ; 65 ; 1836-1845

Publication date:

2009-04-12

Size:

10 pages

ISSN:

DOI:

https://doi.org/10.1016/j.jcsr.2009.04.006

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Concrete-filled steel tubes , Beams , Circular tubes , Flexural strength , Flexural stiffness

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