Select the lightest double angle compression member to carry 110 kips dead load and 130 kips live load. The effective length KL = 20 ft. Assume the backs of the angles are separated by a f-in. gusset plate. Indicate the orientation of the angle legs (i.e., short or long legs back-to- back). If angles are selected for all three steels, indicate the economical choice if relative costs are A36 (1.0), Fv = 50 (1.07), and Fv = 60 (1.10). Use (a) A36 steel; (b) Fv = 50 ksi; (c) Fy = 60 ksi. %3|

Select the lightest double angle compression member to carry 110 kips dead load and 130 kips live load. The effective length KL = 20 ft. Assume the backs of the angles are separated by a f-in. gusset plate. Indicate the orientation of the angle legs (i.e., short or long legs back-to- back). If angles are selected for all three steels, indicate the economical choice if relative costs are A36 (1.0), Fv = 50 (1.07), and Fv = 60 (1.10). Use (a) A36 steel; (b) Fv = 50 ksi; (c) Fy = 60 ksi. %3|

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.8P

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