Problem 2:Four 3x3x1/2 equal leg angles are laced together as shown in Figure 3 to form a columnsection. Determine the Euler (elastic) stress and the critical buckling load (kN) for thepin-connected column. E = 200,000 MPa. Proportional limit is 250 MPa. Assume simplespan and maximum permissible L/r = 200.a) L = 11.50 mb) L = 9.75 m7Properties of one 3 X 3 X 1/2 angleA = 1774 mm²ly = 0.92 x106 mmªIx = 0.92 x106 mm4[x = 22.81 mmy = 23.67 mmry= 22.81 mmx= 23.67 mmLFigure 3Problem 3:steel column 10 m long is made up of two channels C 12 x 25 laced together with theirnges facing each other as shown in Figure 4.a) How much distance the back of the web of the channels be placed if the sectionmust be equally strong in both X and Y axes, in mm?7300 mm300 mm

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Problem 2: Four 3x3x1/2 equal leg angles are laced together as shown in Figure 3 to form a column section. Determine the Euler (elastic) stress and the critical buckling load (kN) for the pin-connected column. E= 200,000 MPa. Proportional limit is 250 MPa. Assume simple span and maximum permissible L/r = 200. a) L = 11.50 m b) L=9.75 m 7 Properties of one 3 X 3 X 1/2 angle A = 1774 mm² Ix = 0.92 x106 mm4 [x = 22.81 mm y = 23.67 mm 300 mm ly= 0.92 x106 mm4 ry= 22.81 mm X= 23.67 mm

Problem 2: Four 3x3x1/2 equal leg angles are laced together as shown in Figure 3 to form a column section. Determine the Euler (elastic) stress and the critical buckling load (kN) for the pin-connected column. E= 200,000 MPa. Proportional limit is 250 MPa. Assume simple span and maximum permissible L/r = 200. a) L = 11.50 m b) L=9.75 m 7 Properties of one 3 X 3 X 1/2 angle A = 1774 mm² Ix = 0.92 x106 mm4 [x = 22.81 mm y = 23.67 mm 300 mm ly= 0.92 x106 mm4 ry= 22.81 mm X= 23.67 mm

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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