跨径L (m) | 计算跨径L0 (m) | 梁板高度H (m) | 截面面积A (m2) | 截面惯性矩I (m4) |
25 | 24.0 | 1.70 | 0.7769 | 0.2692 |
30 | 28.9 | 2.00 | 0.8429 | 0.4175 |
40 | 38.8 | 2.50 | 1.0909 | 0.9257 |