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*17-16. The two steel channels are to be laced together to form a 9-m-long bridge column assumed to be pin connected at its ends. Each channel has a cross-sectional area of A = 1950 mm and moments of inertia l; = 21.60(10) mm“, ly = 0.15(10) mm'. The centroid C of its area is located in the figure. Determine the proper distance d between the centroids of the channels so that buckling occurs about the x-x and y' - y' axes due to the same load. What is the value of this critical load? Neglect the effect of the lacing. Est = 200 GPa, oy = 350 MPa. 6.5 mm 30 mm d-

*17-16. The two steel channels are to be laced together to form a 9-m-long bridge column assumed to be pin connected at its ends. Each channel has a cross-sectional area of A = 1950 mm and moments of inertia l; = 21.60(10) mm“, ly = 0.15(10) mm'. The centroid C of its area is located in the figure. Determine the proper distance d between the centroids of the channels so that buckling occurs about the x-x and y' - y' axes due to the same load. What is the value of this critical load? Neglect the effect of the lacing. Est = 200 GPa, oy = 350 MPa. 6.5 mm 30 mm d-

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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*17-16. The two steel channels are to be laced together to form a 9-m-long bridge column assumed to be pin connected at its ends. Each channel has a cross-sectional area of A = 1950 mm and moments of inertia l; = 21.60(10) mm“, ly = 0.15(10) mm'. The centroid C of its area is located in the figure. Determine the proper distance d between the centroids of the channels so that buckling occurs about the x-x and y' - y' axes due to the same load. What is the value of this critical load? Neglect the effect of the lacing. Est = 200 GPa, oy = 350 MPa. 6.5 mm 30 mm d-
Transcribed Image Text:*17-16. The two steel channels are to be laced together to form a 9-m-long bridge column assumed to be pin connected at its ends. Each channel has a cross-sectional area of A = 1950 mm and moments of inertia l; = 21.60(10) mm“, ly = 0.15(10) mm'. The centroid C of its area is located in the figure. Determine the proper distance d between the centroids of the channels so that buckling occurs about the x-x and y' - y' axes due to the same load. What is the value of this critical load? Neglect the effect of the lacing. Est = 200 GPa, oy = 350 MPa. 6.5 mm 30 mm d-
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