A 6.5m long column in an existing building is part of a braced frame in both xx and yy planes of the cross section. It is fixed at the base and pinned at the top about both axes. In addition, the column is laterally supported perpendicular to its weak axis at a height 3.5m from the base. The column is a W (given designated steel section below) with Fy=415MPa. a. Determine the design compressive strength of the column. b. Is the column adequate to carry an axial compressive load of 400kN?
A 6.5m long column in an existing building is part of a braced frame in both xx and yy planes of the cross section. It is fixed at the base and pinned at the top about both axes. In addition, the column is laterally supported perpendicular to its weak axis at a height 3.5m from the base. The column is a W (given designated steel section below) with Fy=415MPa. a. Determine the design compressive strength of the column. b. Is the column adequate to carry an axial compressive load of 400kN?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 6.5m long column in an existing building is part of a braced frame in both xx and yy planes of the cross section. It is fixed at the base and pinned at the top about both axes. In addition, the column is laterally supported perpendicular to its weak axis at a height 3.5m from the base. The column is a W (given designated steel section below) with Fy=415MPa.
a. Determine the design compressive strength of the column.
b. Is the column adequate to carry an axial compressive load of 400kN?
Transcribed Image Text:Flange
Web
Mass
Depth
(mm)
Area
Thickness
thickness
(kg/m)
(mm²)
(mm)
(mm)
(mm)
314
40100
785
384
33.5
19.7
Axis X-X
Axis Y-Y
S = 1/c
(10' mm')
S= lfe
(10' mm')
r= VIJA
(to mm)
(тm)
(10 mm)
(mm)
4 290
10 900
328
315
1 640
88.6
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