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clear
//Given
//AISC MANUALS
//approximated by three narrow tubes
//J = Bbt^3
B = 0.33 // constant mentiones in AISC
//three rods
//rod_1
t_1 = 0.605 //inch - Thickness
b = 12.0 //inches - width
J_1 = B*b*(t_1**3) //in^4 - Torsion constant
//rod_2
t_2 = 0.605 //inch - Thickness
b = 12 //inches - width
J_2 = B*b*(t_2**3) //in^4 - Torsion constant
//rod_3
t_3 = 0.390 //inch - Thickness
b = 10.91 //inches - width
J_3 = B*b*(t_3**3) //in^4 - Torsion constant
//Equivalent
J_eq = J_1+J_2+J_3 //in^4 - Torsion constant
printf("\n the Equivalent Torsion constant is %0.2f in^4 ",J_eq)
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