| Specimen | Backing plate | Column (mm) | H-beam (mm) | Axial compression ratio | Width of ring plate (mm) |
||
|---|---|---|---|---|---|---|---|
| Cross section | Length | Cross section | Length | ||||
| H18D3 | with | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.3 | 180 (circular) |
| H18W3 | without | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.3 | 180 (circular) |
| H18D6 | with | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.6 | 180 (circular) |
| H18W6 | without | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.6 | 180 (circular) |
| H12D3 | with | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.3 | 120 (circular) |
| F12D3 | with | ф180×8.00 | 1250 | 200×100×8×5.5 | 2080 | 0.3 | 127 (square) |