STUDY ON BEHAVIOR OF ULTRA HIGH STRENGTH SQUARE CFT STUB COLUMNS IN UNIAXIAL COMPRESSION

STUDY ON BEHAVIOR OF ULTRA HIGH STRENGTH SQUARE CFT STUB COLUMNS IN UNIAXIAL COMPRESSION

In this study, uniaxial compressive test of ultra-high strength square CFT stub columns was carried out to clarify the effect of column size and steel contribution ratio to its structural performance. The results of experiments were analyzed to clarify differences between structural behavior of CFT...

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Veröffentlicht in:AIJ Journal of Technology and Design 2021/10/20, Vol.27(67), pp.1285-1290
Hauptverfasser: NANBA, Takayuki, KITAJIMA, Keiji, NAKANISHI, Mitsukazu
Format: Artikel
Sprache:jpn
Schlagworte:
Columns (structural)
Compression tests
Compressive strength
Confinement effect
High strength
High strength concrete
High strength steel tube
Square concrete filled steel tube
Steel tubes
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Zusammenfassung:In this study, uniaxial compressive test of ultra-high strength square CFT stub columns was carried out to clarify the effect of column size and steel contribution ratio to its structural performance. The results of experiments were analyzed to clarify differences between structural behavior of CFT stub columns and that of individual steel tubes or concrete. In addition, the applicability of the simple cumulative strength formula is verified.
ISSN:1341-9463
1881-8188
DOI:10.3130/aijt.27.1285