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Parameters beff , be ov and kn b 10 fy0t0 b beff =---—b, bj t0 fyti but beff < bi b =

For circular braces, multiply the above resistances by tt/4, replace b\ and h\ by d\ and replace Z>2 and U by q .

Only the overlapping brace member i need be checked. The brace member efficiency (i.e. the design resistance of the joint divided by the design plastic resistance of the brace member) of the overlapped brace member j should be taken as equal to that of the overlapping brace member.

Type of joint

Chord face failure

Kfy0 to

2n sin^1

0 0

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