Research Article
FRP-Confined Concrete Columns: A New Procedure for Evaluating the Performance of Square and Circular Sections
Table 4
Parameters and coefficients for evaluating the strength enhancement from existing analytical expressions.
| | Model | Coefficients | Other parameters and coefficients |
| | CNR-DT200 [10] | α = 1
k1 = 2.6
m = 2/3 |
kv = kα = 1 for continuous jackets with fibers ⊥ to the member axis, Ag = cross-section area of the specimen |
| | Triantafillou et al. [26] | α = 1
k1 = 2.79
m = 1 |
kv = kα = 1 for continuous jackets with fibers ⊥ to the member axis |
| | Campione and Miraglia [24] | α = 1
k1 = 2
m = 1 |
ffu = ultimate strength of the fiber, ki = 0.2121 |
| | Pellegrino and Modena [23] | α = 1
m = 1 | |
| | Mirmiran et al. [27] | α = 1
m = 1 | |
| | Di Ludovico et al. [28] | α = 1
k1 = 2.94
m = 1 |
kv = kα = 1 for continuous jackets with fibers ⊥ to the member axis |
| | Youssef et al. [38] | For circular sections | For circular sections | α = 1.0
k1 = 2.25
m = 1.25 | ke = 1.0
= longitudinal reinforcement ratio | | For square sections | For square sections | α = 0.50
k1 = 1.225
m = 0.6 | |
|
|
