Research Article
The Experimental Studies on Behavior of Ultrahigh-Performance Concrete Confined by Hybrid Fiber-Reinforced Polymer Tubes
Table 7
Comparison of confinement models for predicting ultimate strains.
|
Specimen group | (MPa) |
Samaan model [18]
|
Toutanji model [12]
|
Lam-Teng model [19]
|
Pham model [27] () | () | | () | | () | | () | |
| A1B1 | 253.84 | 58336 | 0.22 | 28970 | 0.44 | 11966 | 1.07 | 4229 | 3.01 | A2B2 | 507.68 | 86473 | 0.21 | 50067 | 0.36 | 19242 | 0.94 | 10168 | 1.25 | A3B3 | 761.52 | 103439 | 0.19 | 69567 | 0.28 | 26518 | 0.74 | 13309 | 1.36 | B1G1 | 285.59 | 67853 | 0.16 | 35271 | 0.31 | 13409 | 0.83 | 3958 | 4.97 | B2G2 | 571.18 | 98778 | 0.17 | 61426 | 0.27 | 22128 | 0.75 | 6857 | 1.62 | B3G3 | 856.77 | 116748 | 0.16 | 85600 | 0.22 | 30847 | 0.61 | 9797 | 1.70 | C1B1 | 442.64 | 46693 | 0.19 | 16670 | 0.52 | 9484 | 0.92 | 3618 | 5.23 | C2B2 | 885.28 | 65761 | 0.16 | 28788 | 0.36 | 14279 | 0.73 | 5582 | 1.56 | C3B3 | 1327.92 | 73555 | 0.17 | 39113 | 0.33 | 19073 | 0.67 | 9465 | 1.10 | C1G1 | 478.66 | 55089 | 0.18 | 21335 | 0.47 | 10883 | 0.93 | 4546 | 2.83 | C2G2 | 957.32 | 71748 | 0.20 | 35350 | 0.41 | 17076 | 0.86 | 10194 | 0.99 | C3G3 | 1435.98 | 81316 | 0.23 | 49243 | 0.38 | 23270 | 0.81 | 16136 | 0.91 | C2AG | 598.67 | 73071 | 0.14 | 32848 | 0.31 | 14222 | 0.73 | 4691 | 4.04 | C2A2G2 | 1073.08 | 85054 | 0.19 | 45130 | 0.36 | 19355 | 0.83 | 11036 | 0.94 | C2BG | 609.12 | 67115 | 0.16 | 34469 | 0.30 | 16818 | 0.62 | 4414 | 3.64 | C2B2G2 | 1143.54 | 80247 | 0.19 | 52767 | 0.28 | 26521 | 0.56 | 10887 | 0.96 |
| Average | N/A | N/A | 0.18 | N/A | 0.35 | N/A | 0.79 | N/A | 2.25 |
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