Laserfiche WebLink
Structural <br />Engineering & Design I nc. <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />Approved <br />FOR PERMIT ISSUANCE <br />By: Bob S Project: Airborne Systems I rawitetdAO-0221-14 <br />Transverse Brace <br />Section Properties <br />A Selective Rack <br />Date: <br />Diagonal Member= Hannibal 1-1/2xl-1/2xl6ga Horizontal Member= Hannibal 1-1/2xl-1/2x16ga <br />Area= 0.273 inA2 1.500 in Area= 0.273 inA2 <br />r min= 0.496 in r min= 0.496 in 1.500 <br />Fy= 55,000 psi Fy= 55,000 psi <br />K= 1.0 1.500 in K= 1.0 <br />9c= 1.92 1.500 <br />L J <br />0.250 in — � 0.250 <br />Frame Dimensions <br />Bottom Panel Height=H= 48.0 in Clear Depth=D-B*2= 36.0 in <br />Frame Depth=D= 42.0 in X Brace= NO <br />Column Width=B= 3.0 in rho= 1.00 <br />-► 0 <br />Load Case 6.: (1+�1J.1l14�5a'sjfl j- .85+0.14Sds)*8*P + C0.7*rho*EJ<= 1.0, ASO Method <br />Vtransverse= 1,158lb <br />Vb=Vtransv*0.7*rho= 1158 Ib * 0.7 * 1 <br />= 811 lb <br />Ldiag= [(D-B*2)A2 + (H-6")A2]A1/2 <br />= 55.3 in <br />Pmax= V*(Ldiag/D) * 0.75 <br />= 8001b <br />axial load on diagonal brace member <br />Pn= AREA*Fn <br />= 0.273 inA2 * 23419 psi <br />= 6,393 lb <br />Pallow= Pn/9 <br />= 6393 lb /1.92 <br />= 3,3301b <br />Pn/Pallow= 0.24 <= 1.0 OK <br />Horizontal brace <br />Vb=Vtransv*0.7*rho= 811 lb <br />Vb <br />" <br />(ki/r)= (k * Ldiag)/r min <br />= (1x55.3in/0.496in) <br />= 111.5 in <br />Ldlag <br />Fe= piA2*E/(kl/r)A2 <br />H <br />= 23,419 psi <br />Pmax <br />Since Fe<Fy/2, 3,. typ <br />Fn= Fe <br />s <br />= 23,419 psi <br />Typical Panel <br />Configuration <br />(kl/r)= (k * Lhoriz)/r min Fe= piA2*E/(kl/r)A2 <br />= (1 x 42 in) /0.496 In = 40,584 psi <br />= 84.7 in <br />Since Fe>Fy/2, Fn=Fy*(1-fy/4fe) Pn= AREA*Fn <br />= 36,366 psi = 0.2731nA2*36366 psi <br />= 9,928lb <br />Pn/Pallow= 0.16 <= 1.0 OK <br />Check End Weld <br />Lweld= 3.0 in <br />Fu= 65 ksi <br />tmin= 0.060In <br />Weld Capacity= 0.75 * tmin * L * Fu/2.5 <br />= 3,510 lb OK <br />Fy/2= 27,500 psi <br />Pallow= Pn/Qc <br />= 9928 lb /1.92 <br />= 5,171 lb, <br />type a 5elect-airborne-revcLA5 Page of 3/6/2025 <br />