Situation 20. A W12x79 of A573 Grade 60 (Fy = 415 MPa) steel is used as a compression member. It is 8 m long, pinned at

[answerhappygod]

Situation 20. A W12x79 of A573 Grade 60 (Fy = 415 MPa) steel is used as a compression member. It is 8 m long, pinned at the top fixed at bottom. The properties are as follows: Ag = 14,968 sq.mm. x= 133 65 mm. ry = 77 47 mm. INPUT
ALL ANSWERS ROUNDED TO THE NEAREST WHOLE NUMBER
58. Calculate the design axial strength (KN) of the column by LRFD. [A]
59. Calculate the allowable axial strength (kN) by ASD.
60. If the columns sustains a service axial dead load of 1,490 kN calculate the safe service axial live load in kN by LRFD. [C]
61. If the columns sustains a service axial dead load of 1,490 kN calculate the safe service axial live load in KN by ASD. [D]
62. If the columns sustains a service axial live load of 990 KN calculate the safe service axial dead load in kN by LRFD. [E]
63. Calculate the criticat slenderness ratio if there is an additional lateral support in the weak direction at mid-height. [F]
Specified Answer for A: 3530
Specified Answer for B: 2349
Specified Answer for C: 1088
Specified Answer for D: 856
Specified Answer for E: 1622
Specified Answer for F: 52