Research Article
Experimental Investigation on Flexural Behavior of Granite Stone Slabs with Near Surface Mounted CFRP Bars and Screw-Thread Steels
Table 8
Test result of NSM screw-thread steels and CFRP bars.
| | Number of specimen | Fcr (kN) | fcr (mm) | Fu (kN) | fu (mm) | Fu/Fcr | Failure mode |
| | B-1 | 24.18 | 3.89 | — | — | — | Brittle mode | | GB-1 | 30.71 | 5.05 | 19.18 | 12.16 | 0.62 | Brittle mode | | GB-2 | 28.03 | 4.63 | 19.59 | 16.72 | 0.70 | Brittle mode | | GB-3 | 28.15 | 4.30 | 15.96 | 17.17 | 0.57 | Brittle mode | | GB-4 | 34.18 | 5.01 | 21.09 | 24.43 | 0.62 | Brittle mode | | GB-5 | 34.76 | 5.39 | 38.76 | 122.5 | 1.12 | Ductile mode | | GB-6 | 37.65 | 5.32 | 56.44 | 174.50 | 1.50 | Ductile mode | | CB-1 | 24.59 | 5.50 | 12.75 | 14.2 | 0.52 | Brittle mode | | CB-2 | 30.09 | 5.20 | 32.85 | 30.65 | 1.26 | Brittle mode | | CB-3 | 28.35 | 5.68 | 41.18 | 53.50 | 1.45 | Ductile mode |
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Note. Fcr, crack load; Fu, failure load; fu, midspan deflection; fcr, midspan cracking deflection.
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