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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 />

The<br />

<strong>Steel</strong> Construction<br />

Institute<br />

Silwood Park, Ascot, Berks SL5 7QN<br />

Member forces (unfactored)<br />

26<br />

C<br />

a b c d e f<br />

G<br />

Subject Chapter ref.<br />

ROOF TRUSS<br />

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

BS 5950: Part 1<br />

Checked by GWO<br />

Member Dead Load Imposed Load Wind on Side Wind on End<br />

kN kN kN kN<br />

A-B -78.8 -118.2 104.0 91.0<br />

B-C -72.7 -109.1 101.7 85.2<br />

C-D -67.0 -100.5 96.2 81.5<br />

D-E -76.8 -115.2 110.6 87.4<br />

E-F -76.8 -115.2 113.2 89.2<br />

F-G -66.6 -99.9 102.0 79.1<br />

A-a 72.5 108.8 -106.9 -97.2<br />

a-b 72.5 108.8 -106.9 -97.2<br />

b-c 74.3 111.5 -115.3 -94.4<br />

c-d 74.3 111.5 -115.3 -94.4<br />

d-e 71.9 107.9 -105.9 -82.8<br />

e-f 71.9 107.9 -105.9 -82.8<br />

B-a 0 0 0 0<br />

C-b 12.7 19.1 -15.1 -11.8<br />

D-c 0 0 0 0<br />

E-d -6.2 -9.3 11.9 8.5<br />

F-e 0 0 0 0<br />

G-f 18.6 27.9 -37.4 -29.4<br />

B-b -7.4 -11.1 6.3 9.5<br />

b-D -12.8 -19.2 17.8 8.8<br />

D-d 1.7 2.6 -1.9 -2.8<br />

d-F 6.2 9.3 -14.9 -12.8<br />

F-f -11.5 -17.3 22.4 17.8<br />

The above forces have been calculated assuming pin joints<br />

Worked examples 563<br />

19<br />

4

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