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(cont'd) <br />Mn/Wb =3.39 in-kips <M [Satisfactory] <br />Where Sc = 0.37 in3 from SSMA page 8 to 14 <br />Wb = 1.67 <br />Mn = ScFc = 5.66 in-kips <br />M = [(DL+LL) S/12 + Wt ] L2 / 8 =3.57 in-kips <br /> CASE 2: BOTTOM FLANGE SUPPORTED ONLY <== Does not apply. <br />Mn/Wb =4.94 in-kips >M [Satisfactory] <br />Where Se = 0.36 in3, from Sxx <br />Wb = 1.67 <br />R = 0.70 (AISI Table D6.1.1-1) <br />Mn = RSeFy = 8.25 in-kips <br />CHECK CAPACITY COMBINED BENDING & SHEAR AT ANY SAME SECTION (AISI C3.3.1) <br />= 0.5457 <1.0 [Satisfactory] <br />Where M = 3.57 in-kips <br />V = 129 lbs <br />Vn/Wv = 631 lbs <br />Wb = 1.67 <br />Mn = MIN( Bending , Buckling) = 11.774 in-kips <br />Mn/Wb = 7.05 in-kips, from SSMA page 8 to 14 for bending only. <br />=0.51 >0.5 =0.20 <0.7 <br />= 0.5075 <1.3 [Satisfactory] <br />CHECK DEFLECTION <br />0.11 in <L /240 = 0.46 in [Satisfactory] <br />DETERMINE SCREWS AT EACH LEG OF CONNECTION (SSMA page 70) <br />Vmax = 129 lbs <br />vallow = 244 lbs / screw, for # 8 screws.= = >(1)- # 8 screws required. <br />263 lbs / screw, for # 10 screws.= = >(1)- # 10 screws required. <br />280 lbs / screw, for # 12 screws.= = >(1)- # 12 screws required. <br /> Technical References: <br /> 1. AISI S100/SI-10, North American Specification for the Design of Cold-formed Steel Structural Members, with Supplement 1, 2010. <br /> 2. SSMA_Product_Technical_Guide, ESR-3064P, Steel Stud Manufactures Association, 2015. <br />22M Vb v <br />VMn n <br />  W W+     <br />0.6 M Vb v <br />VMn n <br />  W W+     <br />Mb <br />M n <br /> W    <br />Vv <br />V n <br /> W    <br />( )45 <br />384 <br />LL S L <br />LL EI xx <br />= =D <br />Page 13 of 28 <br />215 W 4th St <br />1/22/2025