รางน้ำ

ลำดับที่ Standard Sectional Dimension (mm.) Sectional Area (cm2) Weight (kg/m.) Reference
H x B t1 t2 r1 r2 Position of Center of Gravity (cm.) Moment of Inertia (cm4) Raidus of Gyration (cm.) Modulus of Section (cm3)
Cx Cy Ix Iy ix iy Zx Zy
1 75x40 5 7 8 4 8.818 6.92 0 1.28 75.3 12.2 2.92 1.17 20.1 4.47
2 100x50 5 7.5 8 4 11.92 9.36 0 1.54 188 26 3.97 1.48 37.6 7.52
3 125x65 6 8 8 4 17.11 13.4 0 1.9 424 61.8 4.98 1.9 67.8 13.4
4 150x75 6.5 10 10 5 23.71 18.6 0 2.28 861 117 6.03 2.22 115 22.4
5 150x75 9 12.5 15 7.5 30.59 24 0 2.31 1,050 147 5.86 2.19 140 28.3
6 180x75 7 10.5 11 5.5 27.2 21.4 0 2.13 1,380 131 7.12 2.19 15.3 24.3
7 200x80 7.5 11 12 6 31.33 24.6 0 2.21 1,950 168 7.88 2.32 195 29.1
8 200x90 8 13.5 14 7 38.65 30.3 0 2.74 2,490 277 8.02 2.68 249 44.2
9 250x90 9 13 14 7 44.07 34.6 0 2.4 4,180 294 9.74 2.58 334 44.5
10 250x90 11 14.5 17 8.5 51.17 40.2 0 2.4 4,680 329 9.56 2.54 374 49.9
11 300x90 9 13 14 7 48.57 38.1 0 2.22 6,440 309 11.5 2.52 429 45.7
12 300x90 10 15.5 19 9.5 55.74 43.8 0 2.34 7,410 360 11.5 2.54 494 54.1
13 300x90 12 16 19 9.5 61.9 48.6 0 2.28 7,870 379 11.3 2.48 525 56.4
14 380x100 10.5 16 18 9 63.39 54.5 0 2.41 14,500 535 14.5 2.78 763 70.5
15 380x100 13 16.5 18 9 78.96 62 0 2.33 15,600 565 14.1 2.67 823 73.6
16 380x100 13 20 24 12 85.71 67.3 0 2.54 17,600 655 14.3 2.76 926 87.8