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Steel Designers Manual - TheBestFriend.org

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This material is copyright - all rights reserved. Reproduced under licence from The <strong>Steel</strong> Construction Institute on 12/2/2007<br />

To buy a hardcopy version of this document call 01344 872775 or go to http://shop.steelbiz.<strong>org</strong>/<br />

<strong>Steel</strong> <strong>Designers</strong>' <strong>Manual</strong> - 6th Edition (2003)<br />

1238 Bolt data<br />

Maximum edge distances (1)<br />

BS 4360 Thickness py (N/mm 2 ) 11te a<br />

275 12<br />

grade less than or<br />

equal to (mm)<br />

e = Ê<br />

Ë<br />

S275 16 275 1.0 11t<br />

40 265 1.02 11.21t<br />

63 255 1.04 11.44t<br />

80 245 1.06 11.65t<br />

100 235 1.08 11.90t<br />

S355 16 355 0.88 9.68t<br />

40 345 0.89 9.79t<br />

63 335 0.91 10.0t<br />

80 325 0.92 10.12t<br />

100 315 0.93 10.28t<br />

S460 16 460 0.77 8.47t<br />

40 440 0.79 8.69t<br />

63 430 0.80 8.80t<br />

80 410 0.82 9.02t<br />

100 400 0.83 9.13t<br />

a This rule does not apply to fasteners interconnecting the components of back-to-back tension members<br />

This table is expanded in the next table (Maximum edge distances (2))<br />

py<br />

ˆ<br />

¯

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