Wat is 'n H-balk?
H-balke is gevorm soos 'n H. 'n H-balk is 'n strukturele balk gemaak van gewalste staal. Dit is ongelooflik sterk. Dit kry sy naam omdat dit oor sy dwarssnit soos 'n hoofletter H lyk.
Afmetings en Eienskappe van H-balke
TIS 1227-2537
Graad: SM400, SM490, SM520, SS400, SS490 of SS540
| Nominale Grootte (mm.) | Gewig (kg/m²) | Deursnee-afmetings (mm.) | Seksioneel Oppervlakte (cm²) | Oomblik van Traagheid (cm4) | Radius van Gyrasie (cm.) | Modulus van Seksie (cm3) | |||||||
| H | B | t1 | t2 | r | lx | Iy | ix | iy | Zx | Zy | |||
| 100X100 | 17.2 | 100 | 100 | 6.0 | 8 | 10 | 21.90 | 383 | 134 | 4.2 | 2.47 | 77 | 27 |
| 125X125 | 23.8 | 125 | 125 | 6.5 | 9 | 10 | 30.31 | 847 | 293 | 5.3 | 3.11 | 136 | 47 |
| 150X75 | 14.0 | 150 | 75 | 5.0 | 7 | 8 | 17.85 | 666 | 50 | 6.1 | 1.66 | 89 | 13 |
| 150X100 | 21.1 | 148 | 100 | 6.0 | 9 | 11 | 26.84 | 1 020 | 151 | 6.2 | 2.37 | 138 | 30 |
| 150X150 | 31.5 | 150 | 150 | 7.0 | 10 | 11 | 40.14 | 1 640 | 563 | 6.4 | 3.75 | 219 | 75 |
| 175X175 | 40.2 | 175 | 175 | 7.5 | 11 | 12 | 51.21 | 2 880 | 984 | 7.5 | 4.38 | 330 | 112 |
| 200X100 | 18.2 | 198 | 99 | 4.5 | 7 | 11 | 23.18 | 1 580 | 114 | 8.3 | 2.21 | 160 | 23 |
| 21.3 | 200 | 100 | 5.5 | 8 | 11 | 27.16 | 1 840 | 134 | 8.2 | 2.22 | 184 | 27 | |
| 200X150 | 30.6 | 194 | 150 | 6.0 | 9 | 13 | 39.01 | 2 690 | 507 | 8.3 | 3.61 | 277 | 68 |
| 200X200 | 49.9 | 200 | 200 | 8.0 | 12 | 13 | 63.53 | 4 720 | 1 600 | 8.6 | 5.02 | 472 | 160 |
| 56.2 | 200 | 204 | 12.0 | 12 | 13 | 71.53 | 4 980 | 1 700 | 8.4 | 4.88 | 498 | 167 | |
| 65.7 | 208 | 202 | 10.0 | 16 | 13 | 83.69 | 6 530 | 2 200 | 8.8 | 5.13 | 628 | 218 | |
| 250X125 | 25.7 | 248 | 124 | 5.0 | 8 | 12 | 32.68 | 3 540 | 255 | 10.4 | 2.79 | 285 | 41 |
| 29.6 | 250 | 125 | 6.0 | 9 | 12 | 37.66 | 4 050 | 294 | 10.4 | 2.79 | 324 | 47 | |
| 250X175 | 44.1 | 244 | 175 | 7.0 | 11 | 16 | 56.24 | 6 120 | 984 | 10.4 | 4.18 | 502 | 113 |
| 250X250 | 64.4 | 244 | 252 | 11.0 | 11 | 16 | 82.06 | 8 790 | 2 940 | 10.3 | 5.98 | 720 | 233 |
| 66.5 | 248 | 249 | 8.0 | 13 | 16 | 84.70 | 9 930 | 3.35 | 10.8 | 6.29 | 801 | 269 | |
| 72.4 | 250 | 250 | 9.0 | 14 | 16 | 92.18 | 10 800 | 3 650 | 10.8 | 6.29 | 867 | 292 | |
| 300X150 | 32.0 | 298 | 149 | 5.5 | 8 | 13 | 40.80 | 6 320 | 442 | 12.4 | 3.29 | 424 | 59 |
| 36.7 | 300 | 150 | 6.5 | 9 | 13 | 46.78 | 7 210 | 508 | 12.4 | 3.29 | 481 | 68 | |
| 300X200 | 56.8 | 294 | 200 | 8.0 | 12 | 18 | 72.38 | 11 300 | 1 600 | 12.5 | 4.71 | 771 | 160 |
| 65.4 | 298 | 201 | 9.2 | 14 | 18 | 83.36 | 13 300 | 1 900 | 12.6 | 4.77 | 893 | 189 | |
| 300X300 | 84.5 | 294 | 302 | 12.0 | 12 | 18 | 107.70 | 16 900 | 5520 | 12.5 | 7.16 | 1 150 | 365 |
| 87.0 | 298 | 299 | 9.0 | 14 | 18 | 110.80 | 18 800 | 6240 | 13.0 | 7.51 | 1 270 | 417 | |
| 94.0 | 300 | 300 | | 10.0 | 15 | 18 | 119.80 | 20 400 | 6 750 | 13.1 | 7.51 | 1 360 | 450 | |
| 106.0 | 300 | 305 | 15.0 | 15 | 18 | 134.80 | 21 500 | 7100 | 12.6 | 7.26 | 1 440 | 466 | |
| 106.0 | 304 | 301 | 11.0 | 17 | 18 | 134.80 | 23 400 | 7730 | 13.2 | 7.57 | 1 540 | 514 | |
| 350X175 | 41.4 | 346 | 174 | 6.0 | 9 | 14 | 52.68 | 11 100 | 792 | 14.5 | 3.88 | 641 | 91 |
| 49.6 | 350 | 175 | 7.0 | 11 | 14 | 63.14 | 13 600 | 984 | 14.7 | 3.95 | 775 | 112 | |
| 57.8 | 354 | 176 | 80.0 | 13 | 20 | 73.68 | 16 100 | 1 180 | 14.8 | 4.01 | 909 | 134 | |
| 350X250 | 69.2 | 336 | 249 | 8.0 | 12 | 20 | 88.15 | 18 500 | 3090 | 14.5 | 5.92 | 1 100 | 248 |
| 79.7 | 340 | 250 | 9.0 | 14 | 20 | 101.50 | 21 700 | 3 650 | 14.6 | 6.00 | 1 280 | 292 | |
| 350X350 | 106.0 | 338 | 351 | 13.0 | 13 | 20 | 135.30 | 28 200 | 9 380 | 14.4 | 8.33 | 1 670 | 534 |
| 115.0 | 344 | 348 | 10.0 | 16 | 20 | 146.00 | 33 300 | 11 200 | 15.1 | 8.78 | 1 940 | 646 | |
| 131.0 | 344 | 354 | 16.0 | 16 | 20 | 166.60 | 35 300 | 11 800 | 14.6 | 8.43 | 2 050 | 669 | |
| 137.0 | 350 | 350 | 12.0 | 19 | 20 | 173.90 | 40 300 | 13600 | 15.2 | 8.84 | 2 300 | 776 | |
| 156.0 | 350 | 357 | 19.0 | 19 | 20 | 198.40 | 42 800 | 14 400 | 14.7 | 8.53 | 2 450 | 809 | |
| 400X200 | 56.6 | 396 | 199 | 7.0 | 11 | 16 | 72.16 | 20 000 | 1 450 | 16.7 | 4.48 | 1 010 | 145 |
| 66.6 | 400 | 200 | 8.0 | 13 | 16 | 84.12 | 23 700 | 1 740 | 16.8 | 4.54 | 1 190 | 174 | |
| 75.5 | 404 | 201 | 9.0 | 15 | 16 | 96.16 | 27 500 | 2 030 | 16.9 | 4.60 | 1 360 | 202 | |
| 400X300 | 94.3 | 386 | 299 | 9.0 | 14 | 22 | 120.10 | 33 700 | 6240 | 16.7 | 7.21 | 1740 | 418 |
| 107.0 | 390 | 300 | 10.0 | 16 | 22 | 136.00 | 38 700 | 7 210 | 16.9 | 7.28 | 1 980 | 481 | |
| 400X400 | 140.0 | 388 | 402 | 15.0 | 15 | 22 | 178.50 | 49 000 | 16 300 | 16.6 | 9.54 | 2 520 | 809 |
| 147.0 | 394 | 398 | 11.0 | 18 | 22 | 186.80 | 56,100 | 18 900 | 17.3 | 10.10 | 2 850 | 951 | |
| 172.0 | 400 | 400 | 13.0 | 21 | 22 | 218.70 | 66 600 | 22 400 | 17.5 | 10.10 | 3 330 | 1 120 | |
| 197.0 | 400 | 408 | 21.0 | 21 | 22 | 250.70 | 70 900 | 23 800 | 16.8 | 9.75 | 3 540 | 1 170 | |
| 232.0 | 414 | 405 | 18.0 | 28 | 22 | 295.40 | 92 800 | 31 000 | 17.7 | 10.20 | 4 480 | 1 530 | |
| 450X200 | 66.2 | 446 | 199 | 8.0 | 12 | 18 | 84.30 | 28 700 | 1 580 | 18.5 | 4.33 | 1 290 | 159 |
| 76.0 | 450 | 200 | 9.0 | 14 | 18 | 98.76 | 33 500 | 1 870 | 18.6 | 4.40 | 1 490 | 187 | |
| 88.9 | 456 | 201 | 10.0 | 17 | 18 | 113.30 | 40 400 | 2 310 | 18.9 | 4.51 | 1 770 | 230 | |
| 450X300 | 106.0 | 434 | 299 | 10.0 | 15 | 24 | 135.00 | 46 800 | 6 690 | 18.6 | 7.04 | 2 160 | 448 |
| 124.0 | 440 | 300 | 11.0 | 18 | 24 | 157.40 | 56,100 | 8110 | 18.9 | 7.18 | 2 550 | 541 | |
| 145.0 | 446 | 302 | 13.0 | 21 | 24 | 184.30 | 66 400 | 9 660 | 19.0 | 7.24 | 2 980 | 639 | |
| 500X200 | 79.5 | 496 | 199 | 9.0 | 14 | 20 | 101.30 | 41 900 | 1 840 | 20.3 | 4.27 | 1 690 | 185 |
| 89.6 | 500 | 200 | 10.0 | 16 | 20 | 114.20 | 47 800 | 2 140 | 20.5 | 4.33 | 1910 | 214 | |
| 103.0 | 506 | 201 | 11.0 | 19 | 20 | 131.30 | 56 500 | 2 580 | 200.7 | 4.43 | 2 230 | 257 | |
Die staal H-balk toepassings
Staal H-balke word wyd gebruik in die konstruksiebedryf. Die hooftoepassings daarvan is min of meer dieselfde vir strukturele staalgeboue in residensiële en kommersiële konstruksie as dié van die I-balk.
Oor die algemeen word H-balke gebruik wanneer die toepassing 'n hoër dravermoë vereis as dié van die I-balk, en ekstra gewig per voet is nie 'n probleem nie:
H-balke, wat lang spanwydtes in kommersiële geboue oorspan, kan tot 330 voet span, in vergelyking met “slegs” 100 voet van die I-balk se maksimum spanwydte.
Sterker strukturele kolomme vir residensiële staalraamgeboue, soos staalraamhuise met verskeie verdiepings
In industriële boukonstruksie is H-balke uitstekend vir die bou van platforms, wanneer die hoër lb/vt-verhouding nie so belangrik is nie.
