Ladder

Effective width — the ladder

One essay so far against this idea. A ladder is the distinct arguments that stand against one idea, and this one has room to grow.
  1. webb = 3.00 mb_eff = 2.531 mfree edgedrawn flange 2 × 3.00 m = 120000 mm² at 20 mm thickworking flange 2 × 2.531 m = 101238 mm², on a span of 20 m18762 mm² is there, and paid for, and carrying almost nothing

    The flange that is not all there

    Stress can only get into a wide flange through shear along its junction with the web, and shear takes distance to do it. So the width that is working is set by the span, and a flange 3 m wide on a 20 m span has 18762 mm² of steel that is there, and paid for, and hardly carrying anything.

    rung 1 · sections

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