╪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
-
截面特性
- 截面特性
| 名称 | 单位 | 公式/来源 | 值 | |
| 1 | 示意图 | |||
| 2 | ||||
| 3 | ||||
| 4 | ||||
| 5 | ||||
| 6 | ||||
| 7 | ||||
| 8 | ||||
| 9 | ||||
| 10 | ||||
| 11 | ||||
| 12 | ||||
| 13 | ||||
| 14 | 输入 | |||
| 15 | 宽度, m | mm | 80 | |
| 16 | 高度, n | mm | 200 | |
| 17 | 厚度, c | mm | 20 | |
| 18 | 厚度, d | mm | 24 | |
| 19 | 间距, u | mm | 100 | |
| 20 | 过程 | |||
| 21 | 尺寸, k | mm | k = 2m + c | 180 |
| 22 | 尺寸, b | mm | b = n - 2d | 152 |
| 23 | 尺寸, s | mm | s = c/2 + m/2 | 50 |
| 24 | 尺寸, f | mm | f = u/2 + d/2 | 62 |
| 25 | 重心S外边距, ex1 | mm | ex1=n/2 | 100 |
| 26 | 重心S外边距, ex2 | mm | ex2 = n - ex1 | 100 |
| 27 | 重心S外边距, ey1 | mm | ey1=k/2 | 90 |
| 28 | 重心S外边距, ey2 | mm | ey2 = k – ey1 | 90 |
| 29 | 结果 | |||
| 30 | 截面积, A | mm2 | A=nc+4md | 11680 |
| 31 | 惯性矩, Ix | mm4 | 43223893.33 | |
| 32 | 抗弯截面系数, Wx1 | mm3 | Wx1=Ix/ex1 | 432238.9333 |
| 33 | 抗弯截面系数, Wx2 | mm3 | Wx2=Ix/ex2 | 432238.9333 |
| 34 | 惯性半径, rx | mm | 60.83318008 | |
| 35 | 惯性矩, Iy | mm4 | 23429333.33 | |
| 36 | 抗弯截面系数, Wy1 | mm3 | Wy1=Iy/ey1 | 260325.9259 |
| 37 | 抗弯截面系数, Wy2 | mm3 | Wy2=Iy/ey2 | 260325.9259 |
| 38 | 惯性半径, ry | mm | 44.78767769 | |