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Explanatory notes to the table of welded bar grating SP loads| Fv – distributed load in kg/m2 | Fp – point load in kg/m2 in the area of 200*200 mm in the center of a grating |
| fv – deflection from distributed load in cm |
fp – deflection from point load in cm |
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TABLES OF WELDED BAR GRATING SP LOADS
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t1 = Distance between centers of bearing bars q1= Distance between centers of bond bars T = Actual distance between bearing sides Q = Actual distance between bars |
Sizes t1*q1: |
Sizes t1*q1: |
| 34*19 34*24 34*38 Use data from the table |
34*50 34*76 34*100 Use data from table - 5% |
| Bearing bar section sizes, mm | Bearing bar size, mm (span, distance between supports) | |||||||||||||||||||||
| 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 | 1300 | 1400 | 1500 | 1600 | 1700 | 1800 | 1900 | 2000 | 2100 | 2200 | 2300 | 2400 | 2500 | ||
| 35x4 | Fv | 12533 | 8704 | 6394 | 4896 | 3868 | 3133 | 2589 | 2196 | 1854 | 1598 | 1392 | 1224 | 1084 | 967 | 868 | 783 | 710 | 647 | 592 | 544 | 501 |
| fv | 0,11 | 0,16 | 0,22 | 0,29 | 0,37 | 0,45 | 0,55 | 0,66 | 0,77 | 0,89 | 1,02 | 1,16 | 1,31 | 1,47 | 1,64 | 1,81 | 2 | 2,19 | 2,4 | 2,61 | 2,83 | |
| Fp | 1030 | 824 | 686 | 588 | 515 | 457 | 412 | 374 | 343 | 317 | 294 | 274 | 257 | 242 | 229 | 216 | 206 | 196 | 187 | 179 | 171 | |
| fp | 0,11 | 0,15 | 0,2 | 0,26 | 0,32 | 0,4 | 0,47 | 0,56 | 0,65 | 0,76 | 0,87 | 0,98 | 1,1 | 1,23 | 1,37 | 1,51 | 1,66 | 1,83 | 1,99 | 2,17 | 2,34 | |
| 35x5 | Fv | 15667 | 10880 | 7993 | 6120 | 4835 | 3916 | 3237 | 2720 | 2317 | 1998 | 1740 | 1530 | 1355 | 1208 | 1085 | 979 | 888 | 809 | 740 | 680 | 626 |
| fv | 0,11 | 0,16 | 0,22 | 0,29 | 0,37 | 0,45 | 0,55 | 0,66 | 0,77 | 0,89 | 1,02 | 1,16 | 1,31 | 1,47 | 1,64 | 1,81 | 2 | 2,19 | 2,4 | 2,61 | 2,83 | |
| Fp | 1287 | 1030 | 858 | 735 | 643 | 572 | 515 | 468 | 429 | 396 | 367 | 343 | 322 | 303 | 286 | 271 | 257 | 245 | 234 | 224 | 214 | |
| fp | 0,11 | 0,15 | 0,2 | 0,26 | 0,32 | 0,4 | 0,47 | 0,56 | 0,65 | 0,76 | 0,87 | 0,98 | 1,1 | 1,23 | 1,37 | 1,51 | 1,66 | 1,83 | 1,99 | 2,17 | 2,34 | |
| 40x2 | Fv | 8187 | 5685 | 4177 | 3198 | 2527 | 2047 | 1692 | 1421 | 1211 | 1044 | 910 | 800 | 708 | 632 | 567 | 512 | 464 | 423 | 387 | 355 | 327 |
| fv | 0,1 | 0,14 | 0,19 | 0,25 | 0,32 | 0,4 | 0,48 | 0,57 | 0,67 | 0,78 | 0,89 | 1,02 | 1,15 | 1,28 | 1,43 | 1,59 | 1,75 | 1,92 | 2,1 | 2,28 | 2,48 | |
| Fp | 667 | 534 | 445 | 382 | 334 | 297 | 267 | 243 | 222 | 206 | 191 | 178 | 167 | 158 | 149 | 141 | 133 | 127 | 121 | 117 | 112 | |
| fp | 0,1 | 0,14 | 0,18 | 0,23 | 0,29 | 0,35 | 0,42 | 0,5 | 0,58 | 0,67 | 0,76 | 0,87 | 0,97 | 1,09 | 1,21 | 1,34 | 1,47 | 1,61 | 1,75 | 1,91 | 2,07 | |
| 40x3 | Fv | 12288 | 8533 | 6269 | 4800 | 3793 | 3072 | 2539 | 2133 | 1818 | 1567 | 1365 | 1200 | 1063 | 948 | 851 | 768 | 697 | 635 | 581 | 533 | 492 |
| fv | 0,1 | 0,14 | 0,19 | 0,25 | 0,32 | 0,4 | 0,48 | 0,57 | 0,67 | 0,78 | 0,89 | 1,02 | 1,15 | 1,29 | 1,43 | 1,59 | 1,75 | 1,92 | 2,1 | 2,29 | 2,48 | |
| Fp | 1002 | 802 | 669 | 573 | 501 | 445 | 401 | 364 | 334 | 308 | 287 | 267 | 251 | 236 | 223 | 211 | 201 | 191 | 182 | 174 | 167 | |
| fp | 0,1 | 0,14 | 0,18 | 0,23 | 0,29 | 0,35 | 0,42 | 0,5 | 0,58 | 0,67 | 0,77 | 0,87 | 0,97 | 1,09 | 1,21 | 1,34 | 1,47 | 1,61 | 1,76 | 1,91 | 2,07 | |
| 40x4 | Fv | 16374 | 11371 | 8354 | 6396 | 5054 | 4093 | 3383 | 2843 | 2422 | 2088 | 1819 | 1599 | 1416 | 1263 | 1134 | 1023 | 928 | 846 | 774 | 711 | 655 |
| fv | 0,1 | 0,14 | 0,19 | 0,25 | 0,32 | 0,4 | 0,48 | 0,57 | 0,67 | 0,78 | 0,89 | 1,02 | 1,15 | 1,28 | 1,43 | 1,59 | 1,75 | 1,92 | 2,1 | 2,28 | 2,48 | |
| Fp | 1335 | 1069 | 891 | 763 | 668 | 593 | 534 | 486 | 445 | 411 | 382 | 356 | 334 | 314 | 297 | 281 | 267 | 255 | 243 | 232 | 222 | |
| fp | 0,1 | 0,14 | 0,18 | 0,23 | 0,29 | 0,35 | 0,42 | 0,5 | 0,58 | 0,67 | 0,76 | 0,87 | 0,97 | 1,09 | 1,21 | 1,34 | 1,47 | 1,61 | 1,75 | 1,91 | 2,07 | |
The grating whose deflection does not exceed 1/200 from the flight with the indicated load values is marked IN COLOR.
| Load conversion factor depending on material |
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| Material | Fv(Fp) |
fv(fp) |
| 08X18Н10 or its analogues | 0.83 |
0.95 |
| 10Х17Н13М2Т or its analogues |
0.89 |
0.95 |
For load conversion the data in the table must be multiplied by a relevant factor.
| Load change in % for anti-skid teeth gratings |
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| Bearing bar height | % |
| 25 | -10 |
| 30 | -8.3 |
| 35 | -7.2 |
| 40 | -6.3 |
| 50 | -5 |
| 60 | -4.2 |
| 70 | -3.6 |

