彐形截面特性计算:重心、截面积、惯性半径、惯性矩、抗弯截面系数
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截面特性
- 截面特性
| 名称 | 单位 | 公式/来源 | 值 | |
| 1 | 示意图 | |||
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| 13 | 输入 | |||
| 14 | 宽度, m | mm | 100 | |
| 15 | 高度, n | mm | 150 | |
| 16 | 厚度, c | mm | 12 | |
| 17 | 厚度, d | mm | 20 | |
| 18 | 间距, u | mm | 50 | |
| 19 | 过程 | |||
| 20 | 尺寸, k | mm | k = m + c | 112 |
| 21 | 尺寸, b | mm | b = n - 3d | 90 |
| 22 | 尺寸, s | mm | s = ey1 - c | 37.07692308 |
| 23 | 重心S外边距, ex1 | mm | ex1=n/2 | 75 |
| 24 | 重心S外边距, ex2 | mm | ex2 = n - ex1 | 75 |
| 25 | 重心S外边距, ey1 | mm | 49.07692308 | |
| 26 | 重心S外边距, ey2 | mm | ey2 = k – ey1 | 62.92307692 |
| 27 | 结果 | |||
| 28 | 截面积, A | mm2 | A=nc+3md | 7800 |
| 29 | 惯性矩, Ix | mm4 | 23175000 | |
| 30 | 抗弯截面系数, Wx1 | mm3 | Wx1=Ix/ex1 | 309000 |
| 31 | 抗弯截面系数, Wx2 | mm3 | Wx2=Ix/ex2 | 309000 |
| 32 | 惯性半径, rx | mm | 54.50829154 | |
| 33 | 惯性矩, Iy | mm4 | 9363753.846 | |
| 34 | 抗弯截面系数, Wy1 | mm3 | Wy1=Iy/ey1 | 190797.4922 |
| 35 | 抗弯截面系数, Wy2 | mm3 | Wy2=Iy/ey2 | 148812.7139 |
| 36 | 惯性半径, ry | mm | 34.64796188 | |