Research Article
Reassessing the Plastic Hinge Model for Energy Dissipation of Axially Loaded Columns
Table 1
Energy dissipation of axial loaded columns: test results and analytical model results.
| Column 1 | Column 2 | Column 3 | Column 4 | Column 5 | Column 6 | Column 7 | Column 8 | Column 9 | Column 10 | Specimen identification | Original length (mm) | (kN) | (mm) | Experimental energy (kN·m) | (kN) | Final length (mm) | Hinge rotation (radians) | Plastic hinge model energy (kN·m) | Test/analysis ratio (column 5/column 9) |
| SR 33 | 511 | 124 | 385 | 7.59 | 19.7 | 126 | 2.643 (151.5°) | 2.02 | 3.76 | SR 34 (a) | 537 | 130 | 410 | 8.19 | 20.0 | 127 | 2.664 (152.6°) | 2.03 | 4.03 | SR 34 (b) | 537 | 135 | 410 | 8.12 | 19.8 | 127 | 2.664 (152.6°) | 2.03 | 3.99 | SR 35 | 549 | 111 | 422 | 6.96 | 16.5 | 127 | 2.675 (153.2°) | 2.04 | 3.41 | SR 36 (a) | 562 | 106 | 435 | 6.91 | 15.9 | 127 | 2.686 (153.9°) | 2.05 | 3.37 | SR 36 (b) | 562 | 119 | 435 | 7.37 | 16.9 | 127 | 2.686 (153.9°) | 2.05 | 3.59 | SR 42 | 660 | 103 | 533 | 6.78 | 12.7 | 127 | 2.754 (157.8°) | 2.10 | 3.22 |
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