Question

When

a=4.5

b=0.2

(b) Calculate l ln y (in mm) at the centroid, C. () Use use segment centrelines and ignore higher powers of t (t2, t3, etc.) t-3b ?? 166a 10a c-5 +39 10 +147 5T 39 8a (ii) Use concentrated areas only: any concentrated area has no self second moment of area (lgnore the properties of the thin-wall segments) 4a 10a A1 75b mm A2 150b mm2 As 250b mm2 A4 100b mm2 t 5b t 5b 17a 232 23 174 23

Answer 1