
| 钢 筋 横 截 面 面 积 表 | |||||||||
| 直径 (mm) | 横 截 面 面 积 (mm²), 当 根 数 为 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 2.5 | 0.049 | 0.098 | 0.147 | 0.196 | 0.245 | 0.294 | 0.343 | 0.392 | 0.441 |
| 3 | 0.071 | 0.141 | 0.212 | 0.283 | 0.353 | 0.424 | 0.495 | 0.565 | 0.636 |
| 4 | 0.126 | 0.251 | 0.377 | 0.502 | 0.628 | 0.754 | 0.879 | 1.005 | 1.13 |
| 5 | 0.196 | 0.392 | 0.588 | 0.784 | 0.98 | 1.176 | 1.372 | 1.568 | 1.746 |
| 6 | 0.283 | 0.57 | 0.85 | 1.13 | 1.42 | 1.70 | 1.98 | 2.26 | 2.55 |
| 8 | 0.503 | 1.01 | 1.51 | 2.01 | 2.52 | 3.02 | 3.52 | 4.02 | 4.53 |
| 10 | 0.785 | 1.57 | 2.36 | 3.14 | 3.93 | 4.71 | 5.5 | 6.28 | 7.07 |
| 12 | 1.131 | 2.26 | 3.39 | 4.52 | 5.65 | 6.78 | 7.91 | 9.04 | 10.17 |
| 14 | 1.539 | 3.08 | 4.61 | 6.15 | 7.69 | 9.23 | 10.77 | 12.3 | 13.87 |
| 16 | 2.011 | 4.02 | 6.03 | 8.04 | 10.05 | 12.06 | 14.07 | 16.08 | 18.09 |
| 18 | 2.545 | 5.09 | 7.63 | 10.17 | 12.72 | 15.26 | 17.8 | 20.36 | 22.9 |
| 20 | 3.142 | 6.28 | 9.41 | 12.56 | 15.7 | 18.84 | 22 | 25.13 | 28.27 |
| 22 | 3.801 | 7.6 | 11.4 | 15.2 | 19.0 | 22.81 | 26.61 | 30.41 | 34.21 |
| 25 | 4.909 | 9.82 | 14.73 | 19. | 24.54 | 29.45 | 34.36 | 39.27 | 44.18 |
| 28 | 6.157 | 12.32 | 18.47 | 24.63 | 30.79 | 36.95 | 43.1 | 49.26 | 55.42 |
| 30 | 7.069 | 14.13 | 21.21 | 28.27 | 35.34 | 42.41 | 49.48 | 56.55 | 63.62 |
| 32 | 8.043 | 16.09 | 24.18 | 32.17 | 40.21 | 48.26 | 56.3 | .34 | 72.38 |
| 34 | 9.079 | 18.16 | 27.24 | 36.32 | 45.4 | 54.48 | 63.55 | 72.63 | 81.71 |
| 36 | 10.179 | 20.36 | 30.54 | 40.72 | 50. | 61.07 | 71.25 | 81.43 | 91.61 |
| 40 | 12.566 | 25.13 | 37.7 | 50.26 | 62.83 | 75.4 | 87.96 | 100.53 | 113.1 |
| 钢 筋 理 论 重 量 表 (公斤∕米) | |||||||||
| 直径 (mm) | 当 钢 筋 根 数 为 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 2.5 | 0.039 | 0.078 | 0.117 | 0.156 | 0.195 | 0.234 | 0.273 | 0.312 | 0.351 |
| 3 | 0.055 | 0.11 | 0.165 | 0.22 | 0.275 | 0.33 | 0.385 | 0.44 | 0.495 |
| 4 | 0.099 | 0.198 | 0.297 | 0.396 | 0.495 | 0.594 | 0.693 | 0.792 | 0.1 |
| 5 | 0.154 | 0.308 | 0.462 | 0.616 | 0.77 | 0.924 | 1.08 | 1.23 | 1.39 |
| 6 | 0.222 | 0.444 | 0.666 | 0.888 | 1.11 | 1.33 | 1.55 | 1.78 | 2 |
| 8 | 0.395 | 0.79 | 1.19 | 1.58 | 1.98 | 2.37 | 2.77 | 3.16 | 3.56 |
| 10 | 0.617 | 1.23 | 1.85 | 2.47 | 3.09 | 3.7 | 4.32 | 4.94 | 5.55 |
| 12 | 0.888 | 1.78 | 2.66 | 3.55 | 4.44 | 5.33 | 6.22 | 7.1 | 7.99 |
| 14 | 1.208 | 2.42 | 3.63 | 4.84 | 6.05 | 7.26 | 8.47 | 9.68 | 10.87 |
| 16 | 1.578 | 3.16 | 4.74 | 6.32 | 7.9 | 9.48 | 11.06 | 12. | 14.22 |
| 18 | 1.998 | 4.00 | 5.99 | 7.99 | 9.99 | 11.99 | 13.99 | 15.98 | 17.98 |
| 20 | 2.466 | 4.94 | 7.41 | 9.88 | 12.35 | 14.82 | 17.29 | 19,76 | 22,23 |
| 22 | 2.984 | 5.96 | 8.94 | 11.92 | 14.9 | 17.88 | 20.86 | 23.84 | 26.82 |
| 25 | 3.85 | 7.70 | 11.55 | 15.4 | 19.25 | 23.1 | 26.95 | 30.8 | 34.65 |
| 28 | 4.83 | 9.66 | 14.49 | 19.32 | 24.15 | 28.98 | 33.81 | 38. | 43.47 |
| 30 | 5.55 | 11.1 | 16.65 | 22.2 | 27.75 | 33.3 | 38.85 | 44.4 | 49.95 |
| 32 | 6.31 | 12.62 | 18.93 | 25.24 | 31.55 | 37.86 | 44.17 | 50.48 | 56.79 |
| 34 | 7.13 | 14.26 | 21.39 | 28.52 | 35.65 | 42.78 | 49.91 | 57.04 | .17 |
| 36 | 7.99 | 15.98 | 23.97 | 31.96 | 39.95 | 47.94 | 55.93 | 63.92 | 71.91 |
| 40 | 9.865 | 19.73 | 29.61 | 39.48 | 49.35 | 59.22 | 69.09 | 78.96 | 88.83 |
