Research Article
Experimental Investigation on Web Crippling Property of High-Strength Cold-Formed (HSCF) Rectangular Steel Tube
Table 1
Parameter sand ultimate capacity of rectangular steel tubular sections under web crippling.
| Boundary and loading condition | Specimen | b (mm) | h (mm) | L (mm) | a (mm) | t (mm) | b/h | Pcr (kN) |
| EOF | RE100 × 500 − EOF − B50 | 200 | 100 | 500 | 50 | 5 | 2 | 165.1 | RE100 × 500 − EOF − B100 | 200 | 100 | 500 | 100 | 5 | 2 | 249.4 | RE100 × 500 − EOF − B150 | 200 | 100 | 500 | 150 | 5 | 2 | 330.0 | RE150 × 500 − EOF − B50 | 200 | 150 | 500 | 50 | 5 | 1.3 | 102.2 | RE150 × 500 − EOF − B100 | 200 | 150 | 500 | 100 | 5 | 1.3 | 137.5 | RE150 × 500 − EOF − B150 | 200 | 150 | 500 | 150 | 5 | 1.3 | 173.8 | RE200 × 500 − EOF − B50 | 200 | 200 | 500 | 50 | 5 | 1 | 127.8 | RE200 × 500 − EOF − B100 | 200 | 200 | 500 | 100 | 5 | 1 | 152.8 | RE200 × 500 − EOF − B150 | 200 | 200 | 500 | 150 | 5 | 1 | 209.8 |
| IOF | RE100 × 800 − IOF − B50 | 200 | 100 | 800 | 50 | 5 | 2 | 254.9 | RE100 × 800 − IOF − B100 | 200 | 100 | 800 | 100 | 5 | 2 | 324.7 | RE100 × 800 − IOF − B150 | 200 | 100 | 800 | 150 | 5 | 2 | 399.0 | RE150 × 800 − IOF − B50 | 200 | 150 | 800 | 50 | 5 | 1.3 | 281.6 | RE150 × 800 − IOF − B100 | 200 | 150 | 800 | 100 | 5 | 1.3 | 379.0 | RE150 × 800 − IOF − B150 | 200 | 150 | 800 | 150 | 5 | 1.3 | 472.4 | RE200 × 800 − IOF − B50 | 200 | 200 | 800 | 50 | 5 | 1 | 243.7 | RE200 × 800 − IOF − B100 | 200 | 200 | 800 | 100 | 5 | 1 | 261.8 | RE200 × 800 − IOF − B150 | 200 | 200 | 800 | 150 | 5 | 1 | 291.0 |
| ETF | RE100 × 500 − ETF − B50 | 200 | 100 | 500 | 50 | 5 | 2 | 157.8 | RE100 × 500 − ETF − B100 | 200 | 100 | 500 | 100 | 5 | 2 | 248.8 | RE100 × 500 − ETF − B150 | 200 | 100 | 500 | 150 | 5 | 2 | 342.0 | RE150 × 500 − ETF − B50 | 200 | 150 | 500 | 50 | 5 | 1.3 | 99.0 | RE150 × 500 − ETF − B100 | 200 | 150 | 500 | 100 | 5 | 1.3 | 131.2 | RE150 × 500 − ETF − B150 | 200 | 150 | 500 | 150 | 5 | 1.3 | 167.0 | RE200 × 500 − ETF − B50 | 200 | 200 | 500 | 50 | 5 | 1 | 129.3 | RE200 × 500 − ETF − B100 | 200 | 200 | 500 | 100 | 5 | 1 | 165.3 | RE200 × 500 − ETF − B150 | 200 | 200 | 500 | 150 | 5 | 1 | 213.2 |
| ITF | RE100 × 800 − ITF − B50 | 200 | 100 | 800 | 50 | 5 | 2 | 267.9 | RE100 × 800 − ITF − B100 | 200 | 100 | 800 | 100 | 5 | 2 | 329.0 | RE100 × 800 − ITF − B150 | 200 | 100 | 800 | 150 | 5 | 2 | 417.0 | RE150 × 800 − ITF − B50 | 200 | 150 | 800 | 50 | 5 | 1.3 | 230.6 | RE150 × 800 − ITF − B100 | 200 | 150 | 800 | 100 | 5 | 1.3 | 231.1 | RE150 × 800 − ITF − B150 | 200 | 150 | 800 | 150 | 5 | 1.3 | 270.9 | RE200 × 800 − ITF − B50 | 200 | 200 | 800 | 50 | 5 | 1 | 278.0 | RE200 × 800 − ITF − B100 | 200 | 200 | 800 | 100 | 5 | 1 | 232.5 | RE200 × 800 − ITF − B150 | 200 | 200 | 800 | 150 | 5 | 1 | 359.0 |
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