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Calculate the minimum effective net area for the given section (300mm width, 10mm thick) connected to a 10 mm thick gusset plate by 18mm diameter bolts.

Calculate the minimum effective net area for the given section (300mm width, 10mm thick) connected to a 10 mm thick gusset plate by 18mm diameter bolts. Correct Answer 2681mm2

B = 300mm, t = 10mm, dh = 18+2 =20mm, n = 3, n’ = 1, p = 75mm, g = 50mm Effective net area = (B-ndh+n’p2/4g)t = (300 – 3×20 + 1×752/4×50)x10 = 2681.25 mm2.

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