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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 />

internal internal<br />

base stiffener stiffener splice<br />

mm. 900<br />

preferred 1000<br />

single V<br />

butt<br />

= =<br />

single v/<br />

butt\<br />

plate<br />

bolt<br />

I section D—D<br />

section A—A section B—B section c—c<br />

Fig. 3.8 Typical details of box columns<br />

Anatomy of structure 111<br />

.—machined<br />

D machined<br />

nternal<br />

bolts<br />

conditions, attention must be focused on fatigue-susceptible details, particularly<br />

those relating to welded and other connections. Specific guidance for certain types<br />

of structure is available, and where this is not relevant, general fatigue design<br />

guidance can be used.<br />

Of general significance is the question of vibration and the possible damage to<br />

bolted connections that this can cause. It should be common practice for steelwork<br />

in close contact with any moving machinery to have vibration-resistant fixings. For<br />

main steelwork connections there is a choice between using HSFG bolts, which are<br />

inherently vibration-resistant, or using normal bolts with lock-nuts or lock-washer<br />

systems. A wide variety of locking systems is available which can be selected after<br />

consultation with the various manufacturers.

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