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Hip,1,Rd = fylhKff (h1 - tl)/^5

Parameters beff and bw

beff = tw + 2r + 7tf fyo / fyi but beff < bi

bw = + 5(( + r) but bw < 2tx + 10(t/ + r) sin d1

Figure 7.7: Stiffeners for l-section chords

Bracing effective perimeter, without (left) and with (right) stiffeners

Figure 7.7: Stiffeners for l-section chords

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