Shear-Flexural Behavior of Concrete Filled Steel Tubular Beam-Columns Using High Strength Materials

Fujimoto, Toshiaki; Mukai, Atsushi; Nishiyama, Isao; Inai, Eiichi; Kai, Makoto; Tokinoya, Hiroyoshi; Baba, Toshihide; Fukumoto, Toshiyuki; Mori, Koji; Sakino, Kenji; Morino, Shosuke

doi:10.3130/aijs.63.167_1

Cited by 8 publications

(4 citation statements)

References 1 publication

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“…Table 1 summarizes experimental data from previous studies, which are used to examine the strength and deformation at each point in the proposed model. The experimental data include experimental flexural strength and rotation angle results from flexural‐shear incremental displacement–amplitude cyclic loading tests under a constant axial force with square CFT beam‐column specimens 7–25 . Test specimens for monotonic loading 23–33 under a constant axial force are also examined to compare cyclic and monotonic loading.…”

Section: Model Of Restoring Force Characteristicmentioning

confidence: 99%

“…The experimental data include experimental flexural strength and rotation angle results from flexural-shear incremental displacement-amplitude cyclic loading tests under a constant axial force with square CFT beam-column specimens. [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25] Test specimens for monotonic loading [23][24][25][26][27][28][29][30][31][32][33] under a constant axial force are also examined to compare cyclic and monotonic loading. The monotonic loading data include experimental results of monotonic loading tests and the positive loading in the first cycle of flexuralshear cyclic loading tests under a constant axial force with square CFT beam-column specimens.…”

Section: Experimental Datamentioning

confidence: 99%

“…In addition, Figures 17 and 18, respectively, compare the experimental results and the proposed model for middle beam-column specimens with steel tube s σ u values of 600 and 800 N/mm 2 and a concrete c σ B of 90 N/mm 2 , in Ref. [15]; and for middle to slender beam-column specimens varying from normal to high strength for the steel tube ( s σ u of 500 to 800 N/mm 2 ) and the concrete ( c σ B of 60 to 150 N/mm 2 ), in Refs. [20] and [22].…”

Section: Strength Reduction Pointsmentioning

confidence: 99%

“…FIGURE 17. Comparison of model and cyclic experimental bending moment -rotation angle relationships for specimens in Ref [15]. …”

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confidence: 99%

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Restoring force characteristic model for bending moment–rotation angle relationship of concrete‐filled square steel tube beam‐columns

Fukumoto

Morita

2023

Japan Architectural Review

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This paper proposes a new simplified restoring force characteristic model of the bending moment–rotation angle relationship for square concrete‐filled steel tube (CFT) beam‐columns to estimate the elastoplastic flexural‐shear behavior from short to slender beam‐columns. The square CFT beam‐column model incorporates a reduction in strength after the ultimate strength. The proposed simplified model is multilinear and involves a cracking strength point, a yield strength point, an ultimate strength point, and strength reduction points. In the proposed model, each flexural strength is calculated by a general superposed strength method, and new empirical expressions for each rotation angle are proposed from the results of previous experimental cyclic and monotonic loading tests. The proposed model for the bending moment–rotation angle relation is found to agree approximately with experimental results up to large rotation angles.

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Section: Model Of Restoring Force Characteristicmentioning

confidence: 99%

Section: Experimental Datamentioning

confidence: 99%

Section: Strength Reduction Pointsmentioning

confidence: 99%

“…FIGURE 17. Comparison of model and cyclic experimental bending moment -rotation angle relationships for specimens in Ref [15]. …”

mentioning

confidence: 99%

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Restoring force characteristic model for bending moment–rotation angle relationship of concrete‐filled square steel tube beam‐columns

Fukumoto

Morita

2023

Japan Architectural Review

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EXPERIMENTAL STUDY ON POST-LOCAL BUCKLING BEHAVIOR OF CFT BEAM-COLUMNS UNDER CYCLIC LOADING : Elasto-plastic behavior of square CFT beam-columns Part 1

Kawaguchi

Morino

2001

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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Study on Structural Performance of Concrete-Filled Oval Tubular Steel Columns

Hirade¹,

Nakayama²,

Kaneko³

2011

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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This study deals with the structural behavior of concrete-filled oval tubular (CFT) steel columns. The design formulae are proposed approximately on the yield bending moment and full plastic moment of the oval CFT cross section. They are available in the arbitrary loading direction by introducing simple power series of trigonometric function instead of the difficult elliptic integral of the 2nd kind.Experimentally, specimens were tested under reverse-symmetry cyclic loading to investigate the effects of the loading direction of the oval, axial force ratio, and deformation capacity of the CFT columns. The test results verify that these effects depend on the curvatures around the compressive edge of the oval tube sections. Based on the experimentally obtained equivalent diameter -tothickness ratio (D/t) of elliptic tube, simple evaluation formulae are proposed on the confinement effect and deformation capacity of the oval CFT columns.

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Shear-Flexural Behavior of Concrete Filled Steel Tubular Beam-Columns Using High Strength Materials

Cited by 8 publications

References 1 publication

Restoring force characteristic model for bending moment–rotation angle relationship of concrete‐filled square steel tube beam‐columns

Restoring force characteristic model for bending moment–rotation angle relationship of concrete‐filled square steel tube beam‐columns

EXPERIMENTAL STUDY ON POST-LOCAL BUCKLING BEHAVIOR OF CFT BEAM-COLUMNS UNDER CYCLIC LOADING : Elasto-plastic behavior of square CFT beam-columns Part 1

Study on Structural Performance of Concrete-Filled Oval Tubular Steel Columns

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