Research Article
Calculation on Bending Stiffness of RC Short Beam Strengthened by CFRP
Table 6
Experimental and calculated values of cracking curvature, yield curvature, and ultimate curvature of members.
| Beam ID | | | | Exp. | Cal. | Ratio | Exp. | Cal. | Ratio | Exp. | Cal. | Ratio |
| B-0-30-4 | 9.98 | 8.94 | 1.116 | 0.592 | 0.553 | 1.071 | 4.965 | 4.363 | 1.138 | B-1-30-4 | 6.71 | 7.45 | 0.900 | 0.640 | 0.532 | 1.203 | 3.313 | 3.328 | 0.995 | B-2-30-4 | 8.82 | 7.70 | 1.144 | 0.568 | 0.593 | 0.958 | 4.302 | 3.556 | 1.210 | B-1-20-4 | 7.52 | 7.66 | 0.982 | 0.453 | 0.578 | 0.784 | 3.367 | 3.391 | 0.993 | B-1-40-4 | 7.29 | 8.10 | 0.900 | 0.401 | 0.468 | 0.857 | 2.970 | 3.308 | 0.898 | B-1-30-6 | 7.68 | 7.50 | 1.024 | 0.673 | 0.833 | 0.808 | 2.442 | 2.976 | 0.821 | B-1-30-8 | 10.60 | 11.10 | 0.955 | 0.753 | 0.783 | 0.962 | 2.686 | 2.971 | 0.904 | Mean value | 8.37 | 8.35 | 1.003 | 0.580 | 0.62 | 0.949 | 3.44 | 3.41 | 0.994 | Mean-square deviation | 1.47 | 1.32 | 0.098 | 0.120 | 0.14 | 0.150 | 0.90 | 0.47 | 0.138 | Coefficient of variation | 0.18 | 0.16 | 0.097 | 0.210 | 0.22 | 0.158 | 0.26 | 0.14 | 0.139 |
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is cracking curvature. is yield curvature. is ultimate curvature. |