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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 />

t'l EE<br />

1<br />

2000<br />

1756<br />

1583<br />

1500<br />

1000<br />

377<br />

336<br />

strain<br />

Fig. 14.3 Stress–strain curves for structural steels and wire rope<br />

Design for axial tension 387<br />

gross area is suitably greater than the ratio of the yield strength to the ultimate<br />

strength.<br />

Ke = 1.2 for grade S275<br />

Ke = 1.1 for grade S355<br />

Ke = 1.0 for grade S460<br />

For other steels Ke = (Us/1.2)/py, where Us is the specified minimum ultimate tensile<br />

strength and py is the design strength.<br />

14.3.2 BS 5400: Part 3<br />

The member should be such that the design ultimate axial load does not exceed the<br />

tensile resistance PD, given by (using BS 5400 notation):<br />

yAe PD<br />

= s<br />

g g<br />

m f3

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