5000 1326.67 15.38 3.3 Theoretical investigations of built up channel section 30 x 60 x1.6) mm 3.3.1 Slenderness ratio The Slenderness ratio value is given in table 4 (λ): Slenderness ratio = (λ) Table 6. Slenderness ratio (mm) Slenderness ratio (λ) 1000 153.84 2000 306.27 3000 459.41 4000 612.55 5000 765.69 The slenderness ratio for flexural member as per IS Code provide 300 mm for compression flange of a beam against lateral torsional buckling ,so in this channel section (30 x60 x1.6) mm using construction up to 2 m only . 3.3.2 Bending Moment (BM) of built up channel section 30 x 60 x1.6) mm Maximum Bending Moment = 0.6 x fy x Zxx M = 103.917 x 104 Nmm 3.3.3 Load caring capacity (p) of channel section 30 x 60 x1.6) mm Bending Moment = Maximum Load (p) = 0.82 kN / m 3.3.4 Moment of resistance of channel section 30 x 60 x1.6) mm Moment of resistance (MR) = Fb x Zxx Fb = Fb = 154.16N / mm2 Moment of resistance (MR) = 113 x 103Nmm2 3.3.5 Shear capacity of channel section 30 x 60 x1.6) mm Maximum shear = = 0.41 kN / m Maximum average shear stress = = 0.142 N / mm2
5000 1326.67 15.38 3.3 Theoretical investigations of built up channel section 30 x 60 x1.6) mm 3.3.1 Slenderness ratio (λ): The Slenderness ratio value is given in table 4 Slenderness ratio (λ) = Table 6. Slenderness ratio (mm) Slenderness ratio (λ) 1000 153.84 2000 306.27 3000 459.41 4000 612.55 5000 765.69 The slenderness ratio for flexural member as per IS Code provide 300 mm for compression flange of a beam against lateral torsional buckling ,so in this channel section (30 x60 x1.6) mm using construction up to 2 m only . 3.3.2 Bending Moment (BM) of built up channel section 30 x 60 x1.6) mm Maximum Bending Moment = 0.6 x fy x Zxx M = 103.917 x 104 Nmm 3.3.3 Load caring capacity (p) of channel section 30 x 60 x1.6) mm Bending Moment = Maximum Load (p) = 0.82 kN / m 3.3.4 Moment of resistance of channel section 30 x 60 x1.6) mm Moment of resistance (MR) = Fb x Zxx Fb = Fb = 154.16N / mm2 Moment of resistance (MR) = 113 x 103Nmm2 3.3.5 Shear capacity of channel section 30 x 60 x1.6) mm Maximum shear = = 0.41 kN / m Maximum average shear stress = = 0.142 N / mm2
412563Behaviour%20and%20design%20of%20light%20gauge%20cold%20formed%20%20steel%20structures.docx