Table 8 Compressive strength of each specimen confined with CFRP fibers.
Specimen name | Experimental compressive strength of confined specimen (MPa) | Ultimate axial strain (mm/mm, %) | Average compressive strength in unconfined specimens with rebar embedment (MPa) | Average compressive strength of confined specimens (MPa) |
|---|---|---|---|---|
C14.77D8L3.5-1LC-1 | 27.2 | 0.46 | 19.55 | 27.65 |
C14.77D8L3.5-1LC-2 | 28.1 | 0.48 | ||
C14.77D8L3.5-2LC-1 | 33.7 | 0.54 | 19.55 | 33.75 |
C14.77D8L3.5-2LC-2 | 33.8 | 0.53 | ||
C14.77D8L5.5-1LC-1 | 27.0 | 0.42 | 19.88 | 27.3 |
C14.77D8L5.5-1LC-2 | 27.6 | 0.47 | ||
C14.77D8L5.5-2LC-1 | 34.1 | 0.57 | 19.88 | 34.1 |
C14.77D8L5.5-2LC-2 | 34.0 | 0.58 | ||
C14.77D10L3.5-1LC-1 | 29.6 | 0.48 | 21.53 | 30.4 |
C14.77D10L3.5-1LC-2 | 31.1 | 0.53 | ||
C14.77D10L3.5-2LC-1 | 37.1 | 0.59 | 21.53 | 37.15 |
C14.77D10L3.5-2LC-2 | 37.2 | 0.59 | ||
C14.77D10L5.5-1LC-1 | 31.7 | 0.56 | 21.68 | 31.6 |
C14.77D10L5.5-1LC-2 | 31.5 | 0.54 | ||
C14.77D10L5.5-2LC-1 | 38.3 | 0.53 | 21.68 | 38.6 |
C14.77D10L5.5-2LC-2 | 38.9 | 0.61 |