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(25) 5. The composite steel column section shown at the left consists of two C12 x 30 channels welded to two 10" x 1/2" plates. Properties a single channel Ix-x = 162 in¹ ly-y = 5.14 in A = 8.82 in² Properties of the composite section: Ix-x= 715 in ly-y = 424 in* A = 27.64 in² Lx = Ly = 16'-0" k = 1.0 Fy = 36 ksi a. What is the maximum allowable axial load on the column in pounds?

(25) 5. The composite steel column section shown at the left consists of two C12 x 30 channels welded to two 10" x 1/2" plates. Properties a single channel Ix-x = 162 in¹ ly-y = 5.14 in A = 8.82 in² Properties of the composite section: Ix-x= 715 in ly-y = 424 in* A = 27.64 in² Lx = Ly = 16'-0" k = 1.0 Fy = 36 ksi a. What is the maximum allowable axial load on the column in pounds?

Structural Analysis
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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0- X C12 x 30 channel If Fy= 50 ksi If the column had fixed ends (k = .5) If the length were reduced to 14'-0" If Ly= 12'-0" and Lx = 16'-0" 10" x 1/2" plate (25 ) 5. The composite steel column section shown at the left consists of two C12 x 30 channels welded to two 10" x 1/2" plates. Properties a single channel Ix-x = 162 in¹ ly-y = 5.14 in A = 8.82 in² Properties of the composite section: Ix-x = 715 in ly-y = 424 in A = 27.64 in² Lx = Ly = 16'-0" k = 1.0 Fy = 36 ksi a. What is the maximum allowable axial load on the column in pounds? b. What effect would each of the following independent changes have on the maximum allowable axial load, Pmax on the column? If the plate were 5/8" thick not change Pmax would Pmax would Pmax would increase increase increase not change not change Pmax would increase not change Pmax would increase not change decrease decrease decrease decrease decrease Answer: exam 'ations net your wor . The ne we 4
Transcribed Image Text:0- X C12 x 30 channel If Fy= 50 ksi If the column had fixed ends (k = .5) If the length were reduced to 14'-0" If Ly= 12'-0" and Lx = 16'-0" 10" x 1/2" plate (25 ) 5. The composite steel column section shown at the left consists of two C12 x 30 channels welded to two 10" x 1/2" plates. Properties a single channel Ix-x = 162 in¹ ly-y = 5.14 in A = 8.82 in² Properties of the composite section: Ix-x = 715 in ly-y = 424 in A = 27.64 in² Lx = Ly = 16'-0" k = 1.0 Fy = 36 ksi a. What is the maximum allowable axial load on the column in pounds? b. What effect would each of the following independent changes have on the maximum allowable axial load, Pmax on the column? If the plate were 5/8" thick not change Pmax would Pmax would Pmax would increase increase increase not change not change Pmax would increase not change Pmax would increase not change decrease decrease decrease decrease decrease Answer: exam 'ations net your wor . The ne we 4
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