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Online ISSN : 1884-0329
Print ISSN : 1880-9928
Evaluation Method of Deformation Capacity Considering Pullout of steel tube from the member joints for Concrete Filled Steel Tubular Columns with Square Section
Takeo AMITANIManabu IKEDAYoshiki INOUEChisato AOKIMasato YAMADA
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JOURNALS FREE ACCESS

2017 Volume 24 Issue 96 Pages 96_1-96_15

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Abstract

There has been increasing needs for applying concrete filled steel tube columns with square section (square CFT columns) in railway structures. However, the evaluation method of bending and deformation capacity of square CFT columns has not been established in the design standard. Therefore, to figure out mechanical properties of square CFT columns, we carried out cyclic loading tests, focusing on width-thickness ratio, shear-span ratio, axial force ratio and material strength. As a result, we have proposed an evaluation method of bending and deformation capacity considering pullout of steel tube from the member joints.

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© 2017 Japanese Society of Steel Construction
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