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A platform for research: civil engineering, architecture and urbanism
Strength of CFT Connection Stiffened with T-Shaped Interior Diaphragms
Concrete filled tubular (CFT) frames have been used in high-rise buildings in Japan since the early 1990s, and their use is increasing. However, there is a need to seek more cost-effective connection details, and this is especially true for square tubes. To meet this need, a relatively simple and cost-saving solution, in which a connection is stiffened with two interior T-shaped diaphragms, was investigated. Based on the obtained test results and observations, strength models and design formulas were derived using a limit analysis technique. Comparison with the test results showed that the proposed formulas provided accurate strength estimates.
Strength of CFT Connection Stiffened with T-Shaped Interior Diaphragms
Concrete filled tubular (CFT) frames have been used in high-rise buildings in Japan since the early 1990s, and their use is increasing. However, there is a need to seek more cost-effective connection details, and this is especially true for square tubes. To meet this need, a relatively simple and cost-saving solution, in which a connection is stiffened with two interior T-shaped diaphragms, was investigated. Based on the obtained test results and observations, strength models and design formulas were derived using a limit analysis technique. Comparison with the test results showed that the proposed formulas provided accurate strength estimates.
Strength of CFT Connection Stiffened with T-Shaped Interior Diaphragms
Kanno, Ryoichi (author) / Shimizu, Nobutaka (author)
Fifth International Conference on Composite Construction in Steel and Concrete ; 2004 ; Kruger National Park, Berg-en-Dal, Mpumalanga, South Africa
2006-02-03
Conference paper
Electronic Resource
English
Strength of CFT Connection Stiffened with T-Shaped Interior Diaphragms
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