Table of Experimental Studies on CFT Frame Tests
From Composite Systems
General Information
Reference | Experiment Synopsis | Number of Tests | Loading Method | Results Reported | Main Parameters | Comments |
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Matsui 1985, 1986 | Monotonic and cyclic loading of portal frames having CFT and HT columns | 2 HT frames, 10 CFT frames | Constant axial load on both columns and monotonic or cyclic lateral load at one beam-to-column connection |
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Morino et al. 1993 | Non-proportional cyclic loading of 3D CFT/steel cruciform subassemblies | 10 subassemblies 6 w/ sym out-of-plane loads, 4 asym) 5--connection failure 5--column failure |
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Kawaguchi et al. 2002 | Cyclic loading of portal frames made up of CFT columns | 4 CFT frames | Constant axial load on both columns and cyclic lateral load applied to the base-beam of the columns |
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Failure mode, axial load ratio (P/Po) | |
Tsai et al. 2008 | Pseudo-dynamic test of a full scale CFT/BRB frame | 1 CFT/BRB frame 3 bay, 3 story | Ground motions from the 1999 ChiChi and 1989 Loma Prieta earthquakes scaled to different intensities,eight motions total |
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Three different types of BRBs, beams had concrete floor slab | |
Herrera, Ricles, and Sause 2008 | Hybrid pseudo-dynamic test of a three-fifths scale MRF | 1 CFT frame 2 bay, 4 story | Ground motions from the 1979 Imperial Valley and 1994 Northridge earthquakes scaled to different intensities factors, four motions total |
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Analytically modeled leaner column to represent interior gravity frame | |
Han, Wang, and Zhao 2008 | Behavior of the composite frame with concrete-filled square hollow section (SHS) columns to steel beam | 6 concrete filled SHS columns to steel composite frame specimens | Constant axial load and a cyclically increasing lateral load |
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Specimen Information
Reference | Beam Information | Column Information | Connection Information | End Conditions |
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Matsui 1985, 1986 |
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Outside stiffener, through stiffener |
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Morino et al. 1993 |
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Through stiffener | Fixed base, pinned top (roller) |
Kawaguchi et al. 2002 |
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Through stiffener |
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Tsai et al. 2008 |
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Concrete footing |
Herrera, Ricles, and Sause 2008 |
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Split tee | Pinned bases with basement level |
Han, Wang, and Zhao 2008 |
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Welded |
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Cross Section Information
Reference | Tube Dimensions | Steel Properties (girder) | Steel Properties (column) | Concrete Properties |
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Matsui 1985, 1986 |
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Fyb= 38.7, 51.8 ksi | Mild, cold formed channel sections
Fy= 59.8, 41.7, 41.8 ksi |
f'c= 5.2-5.8 |
Morino et al. 1993 |
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N.A. | STKR400 steel (Jap.)
Fy= 57.3 ksi |
f'c= 2.8-3.0 |
Kawaguchi et al. 2002 |
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SS400
Fyb= 49.68 ksi |
STKR400
Fy= 58.50 ksi |
f'c= 2.7 |
Tsai et al. 2008 |
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Fyb= 54-70 ksi | Fy= 78.7 (circular), 54.2 (square) ksi | f'c= 5.1 |
Herrera, Ricles, and Sause 2008 |
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A992
Fyb= 50 ksi |
A500 Grade 80 | f'c= 9.8 |
Han, Wang, and Zhao 2008 |
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Fy= 44, 52 ksi | Fy= 52, 58 ksi | f'c= 7.63 |