Technical Guide STEICO construction
Technical Guide STEICO construction
Technical Guide STEICO construction
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| Permissible design properties to BS 5268 for <strong>STEICO</strong>joist in Service class 1<br />
Design values for Service Class 1<br />
Type<br />
<strong>STEICO</strong>joist<br />
SJ 45<br />
<strong>STEICO</strong>joist<br />
SJ 60<br />
<strong>STEICO</strong>joist<br />
SJ 90<br />
Depth H [mm]<br />
Moment a)<br />
[kNm]<br />
Bending rigidity<br />
[Nmm 2 * 1 0 9 ]<br />
Shear<br />
[kN]<br />
Shear rigidity<br />
[MN]<br />
200 2.73 327 2.70 1.25<br />
220 3.08 416 2.93 1.45<br />
240 3.43 516 3.15 1.66<br />
300 4.52 888 3.79 2.26<br />
360 5.40 1369 4.41 2.87<br />
200 3.64 436 2.68 1.25<br />
220 4.10 554 2.90 1.45<br />
240 4.57 687 3.12 1.66<br />
300 6.00 1177 3.75 2.26<br />
360 7.13 1808 4.33 2.87<br />
400 7.87 2310 4.71 3.27<br />
200 5.44 651 2.66 1.25<br />
220 6.14 827 2.88 1.45<br />
240 6.83 1025 3.09 1.66<br />
300 8.94 1752 3.70 2.26<br />
360 10.59 2683 4.26 2.87<br />
400 11.67 3419 4.62 3.27<br />
a)<br />
The characteristic bending moments are based on the assumption that lateral bracing to the compression flange (at a spacing not<br />
exceeding ten times the flange width) is in place.<br />
BS 5268 bearing values for Service Class 1<br />
Refer to page 15 for web stiffener installation details<br />
Type<br />
<strong>STEICO</strong>joist<br />
SJ 45<br />
<strong>STEICO</strong>joist<br />
SJ 60<br />
<strong>STEICO</strong>joist<br />
SJ 90<br />
End bearing [kN]<br />
Intermediate bearing [kN]<br />
Depth H<br />
Bearing length 45 mm Bearing length 90 mm Bearing length 90 mm<br />
Web stiffener Web stiffener Web stiffener<br />
no yes no yes no yes<br />
200<br />
3.73<br />
4.12<br />
6.20<br />
220 3.85 4.24 6.31<br />
240 3.12<br />
3.97 3.35<br />
4.35 6.16<br />
6.43<br />
300 4.31 4.70 6.78<br />
360 4.66 5.04 7.12<br />
200<br />
4.89<br />
5.47<br />
8.86<br />
220 5.01 5.58 8.97<br />
240 5.12 5.70 9.09<br />
4.62<br />
4.85<br />
8.32<br />
300 5.47 6.04 9.43<br />
360 5.81 6.39 9.78<br />
400 6.04 6.62 10.01<br />
200<br />
5.31<br />
5.93<br />
13.82<br />
220 5.43 6.04 13.94<br />
240 5.54 6.16 14.05<br />
4.97<br />
5.89<br />
11.28<br />
300 5.89 6.51 14.40<br />
360 6.24 6.85 14.75<br />
400 6.47 7.08 14.98<br />
Notes: please refer to page 14.<br />
12<br />
<strong>Technical</strong> <strong>Guide</strong> <strong>STEICO</strong> <strong>construction</strong>
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