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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 />

142 Bridges<br />

in situ<br />

or PC<br />

units<br />

1800 mm<br />

comDosite<br />

composite<br />

RHS<br />

(a)<br />

(b)<br />

steel<br />

(c) (d)<br />

(e)<br />

(0<br />

CN<br />

RHSI/ i<br />

members'—<br />

lad<br />

glazed<br />

1 IJ LI<br />

(1)<br />

span<br />

range<br />

)<br />

25<br />

20<br />

to<br />

50<br />

)<br />

25.5<br />

}<br />

50<br />

remarks<br />

may be erected<br />

complete<br />

may be erected<br />

complete<br />

use where<br />

construction depth<br />

critical<br />

PG suited over rail<br />

through lattice<br />

suited to<br />

interconnect<br />

buildings etc.<br />

Fig. 4.12 Pedestrian bridges. (a) Twin universal beam; (b) box; (c) Vierendeel or Warren<br />

girder; (d) half-through universal beam; (e) half-through plate girder; (f) through<br />

lattice

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