Table 1.
Geometrical details of tested columns.
| Specimen Designation |
Type of Confinement |
bf
(mm) |
s’f (mm) |
sf (mm) |
ζ = sf’/sf
(-) |
s’f/bf (-) |
Vf/Vf0 |
|---|---|---|---|---|---|---|---|
| UCS (I) | – | – | – | – | – | – | - |
| UCS (II) | – | – | – | – | – | – | - |
| CC1L-PBO (I) | Continuous | 445 | 0.0 | – | 0 | 0 | 1.0 |
| CC1L-PBO (II) | Continuous | 445 | 0.0 | – | 0 | 0 | 1.0 |
| CD1L-PBO3 (I) | Discontinuous | 55 | 120.0 | 135.0 | 0.89 | 2.18 | 0.32 |
| CD1L-PBO3 (II) | Discontinuous | 55 | 120.0 | 135.0 | 0.89 | 2.18 | 0.32 |
| CD1L-PBO4 (I) | Discontinuous | 55 | 61.7 | 116.7 | 0.53 | 1.12 | 0.48 |
| CD1L-PBO4 (II) | Discontinuous | 55 | 61.7 | 116.7 | 0.53 | 1.12 | 0.48 |
| CD1L-PBO5 (I) | Discontinuous | 55 | 32.5 | 87.5 | 0.37 | 0.59 | 0.60 |
| CD1L-PBO5 (II) | Discontinuous | 55 | 32.5 | 87.5 | 0.37 | 0.59 | 0.60 |