A column 12 m long is built up consisting of a W310 x 107 with 2 plates 12 mm thick welded as shown in Figure ST – 108 to form a boxsection. The column has both ends hinged. 1. Compute the effective slenderness ratio with respect to the x - axis. 2. Compute the effective slenderness ratio with respect to the y – axis. 3. What is the axial load capacity of the column?

Structural Analysis
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Chapter2: Loads On Structures
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A column 12 m long is built up consisting of a W310 x 107 with 2 plates 12 mm thick welded as shown in Figure ST – 108 to form a boxsection. The column has both ends hinged.

1. Compute the effective slenderness ratio with respect to the x - axis.

2. Compute the effective slenderness ratio with respect to the y – axis.

3. What is the axial load capacity of the column?

Properties of W 310 x 107
A = 13,600 mm²
d = 312 mm
bf = 305 mm
t₁ = 17 mm
y
tw = 10.9 mm
Ix = 248 x 106 mm4
ly = 81.2 x 106 mm4
Fy = 248 MPa
X
Transcribed Image Text:Properties of W 310 x 107 A = 13,600 mm² d = 312 mm bf = 305 mm t₁ = 17 mm y tw = 10.9 mm Ix = 248 x 106 mm4 ly = 81.2 x 106 mm4 Fy = 248 MPa X
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