เหล็กรางน้ำ
|
|||||
HxB | t1 | t2 | 1 m | 6 m | 9 m |
50 x 25 | 4 | 6 | 3.3 | 20 | 30 |
75 x 40 | 5 | 7 | 6.9 | 41 | 62 |
100 x 50 | 5 | 7.5 | 9.4 | 56 | 84 |
125 x 65 | 6 | 8 | 13.4 | 80 | 120 |
150 x 75 | 6.5 | 10 | 18.6 | 112 | 168 |
150 x 75 | 9 | 12.5 | 24.0 | 144 | 216 |
180 x 75 | 7 | 10.5 | 21.4 | 128 | 193 |
200 x 80 | 7.5 | 11 | 24.6 | 148 | 221 |
200 x 90 | 8 | 13.5 | 30.3 | 182 | 273 |
250 x 90 | 9 | 13 | 34.6 | 208 | 311 |
250 x 90 | 11 | 14.5 | 40.2 | 241 | 362 |
300 x 90 | 9 | 13 | 38.1 | 229 | 343 |
300 x 90 | 10 | 15.5 | 43.8 | 263 | 394 |
300 x 90 | 12 | 16 | 48.6 | 292 | 437 |
380 x 100 | 10.5 | 16 | 54.5 | 327 | 491 |
380 x 100 | 13 | 16.5 | 62.0 | 372 | 558 |
380 x 100 | 13 | 20 | 67.3 | 404 | 606 |