IJb u

< 200mm

10.2.2 Moment resistance 10.2.2.1 Wide flange in compression

(1) The moment resistance of a liner tray with its wide flange in compression should be determined using the step-by-step procedure outlined in figure 10.9 as follows:

- Step 1: Determine the effective areas of all compression elements of the cross-section, based on values of the stress ratio \f/ = a2!ox obtained using the effective widths of the compression flanges but the gross areas of the webs;

- Step 2: Find the centroid of the effective cross-section, then obtain the moment resistance Mc Rd from:

with:

but rc,Rd

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