Situation 17. 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 with additional lateral support at mid height in the weak direction. The properties are as follows: Ag = 14,500 sq.mm, Ix = 258.6x10^6 mm^4, Iy = 84.375x10^6 mm^4. FF Calculate the critical slenderness ratio with buckling about strong axis. 56. Calculate the critical slenderness ratio with buckling about weak axis. 57. Calculate the flexural buckling stress Fer in MPa. 58. Calculate the nominal axial strength of the column in kN. 59. If the columns sustains a service axial dead load of 1,490 kN calculate the safe service axial live load in kN by ASD. 60. If the columns sustains a service axial live load of 990 kN calculate the safe service axial dead load in kN by LRFD.

Situation 17. 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 with additional lateral support at mid height in the weak direction. The properties are as follows: Ag = 14,500 sq.mm, Ix = 258.6x10^6 mm^4, Iy = 84.375x10^6 mm^4. FF Calculate the critical slenderness ratio with buckling about strong axis. 56. Calculate the critical slenderness ratio with buckling about weak axis. 57. Calculate the flexural buckling stress Fer in MPa. 58. Calculate the nominal axial strength of the column in kN. 59. If the columns sustains a service axial dead load of 1,490 kN calculate the safe service axial live load in kN by ASD. 60. If the columns sustains a service axial live load of 990 kN calculate the safe service axial dead load in kN by LRFD.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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