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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 />

Worked examples 787<br />

Subject Chapter ref.<br />

No. 2<br />

FIN PLATE CONNECTION<br />

Design code Made by DBM Sheet no.<br />

BS 5950 Checked by BD<br />

Check 5 – Lateral torsional buckling resistance of long fin-plate<br />

For long fin-plates<br />

t<br />

a ≥<br />

015 .<br />

a = 50 mm<br />

t = 10 mm<br />

t/0.15 = 66 mm<br />

50 mm < 66 mm<br />

Therefore this is a short fin plate and does not need to be checked<br />

for lateral torsional buckling.<br />

Check 6 – Supporting beam welds<br />

The basic requirement is that the leg length of fillet weld must be<br />

greater than or equal to 0.8 times the thickness of the fin plate.<br />

leg length = 8mm<br />

0.8 t = 0.8 ¥ 10 = 8mm<br />

Therefore 8 mm fillet weld is adequate.<br />

26<br />

12

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