屋根勾配による積雪量の低減
μ=(cos(1.5β))^0.5
β:勾配(度)
| 勾配 | β | μ | |
| 1 | 10 | 5.711 | 0.994 |
| 1.5 | 10 | 8.531 | 0.988 |
| 2 | 10 | 11.310 | 0.978 |
| 2.5 | 10 | 14.036 | 0.966 |
| 3 | 10 | 16.699 | 0.952 |
| 3.5 | 10 | 19.290 | 0.936 |
| 4 | 10 | 21.801 | 0.917 |
| 4.5 | 10 | 24.228 | 0.897 |
| 5 | 10 | 26.565 | 0.876 |
| 5.5 | 10 | 28.811 | 0.854 |
| 6 | 10 | 30.964 | 0.830 |
| 6.5 | 10 | 33.024 | 0.806 |
| 7 | 10 | 34.992 | 0.780 |
| 7.5 | 10 | 36.870 | 0.754 |
| 8 | 10 | 38.660 | 0.728 |
| 8.5 | 10 | 40.365 | 0.701 |
| 9 | 10 | 41.987 | 0.674 |
| 9.5 | 10 | 43.531 | 0.646 |
| 10 | 10 | 45.000 | 0.619 |
| 10.5 | 10 | 46.397 | 0.590 |
| 11 | 10 | 47.726 | 0.562 |
| 11.5 | 10 | 48.991 | 0.533 |
| 12 | 10 | 50.194 | 0.504 |
| 12.5 | 10 | 51.340 | 0.474 |
| 13 | 10 | 52.431 | 0.444 |
| 13.5 | 10 | 53.471 | 0.412 |
| 14 | 10 | 54.462 | 0.380 |
| 14.5 | 10 | 55.408 | 0.346 |
| 15 | 10 | 56.310 | 0.311 |
| 15.5 | 10 | 57.171 | 0.272 |
| 16 | 10 | 57.995 | 0.229 |
| 16.5 | 10 | 58.782 | 0.179 |
| 17 | 10 | 59.534 | 0.110 |
| 17.32 | 10 | 59.999 | 0.004 |
