Research Article
Effect of the Nonprestressed/Prestressed BFRP Bar on Flexural Performance of the Bamboo Beam
Table 5
Positions of neutral axis under different loads in the second series.
| Load (kN) | B0 | B1 | B2 | hl (mm) | hl/h | hl (mm) | hl/h | hl (mm) | hl/h |
| 5 | 65.49 | 0.543 | 55.08 | 0.490 | 56.53 | 0.499 | 10 | 63.71 | 0.528 | 54.87 | 0.488 | 56.57 | 0.499 | 25 | 62.69 | 0.519 | 53.63 | 0.477 | 55.57 | 0.490 | 35 | 59.98 | 0.497 | 49.73 | 0.442 | 51.52 | 0.454 | 45 (40) | 55.82 | 0.462 | 47.96 | 0.426 | 47.23 | 0.416 | Pu | 53.61 | 0.444 | 46.92 | 0.417 | 47.91 | 0.422 |
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Note: the number in the brackets is for the specimen B1; Pu is the ultimate load.
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