475mm 12mm A column 9m is fixed at the base about both axes and pinned at the top about both axes. In addition, it is braced in the weak direction 4m from the base. A572 Grade 60 steel is used (Fy=420 MPa). a. Determine the design axial compressive strength of the column. Consider it as a rolled section. 575mm b. Is the column adequate to carry an ultimate axial load of 5,600kN? 18mm Note: Service Load - actual imparted loads on a structure. Ultimate Load – factored loads (take the service loads Figure 1. Properties of the Steel Section and amplify them to represent the loads we design

Structural Analysis
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Chapter2: Loads On Structures
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475mm
12mm
A column 9m is fixed at the base about both axes and
pinned at the top about both axes. In addition, it is braced
in the weak direction 4m from the base. A572 Grade 60
steel is used (Fy=420 MPa).
a. Determine the design axial compressive strength
of the column. Consider it as a rolled section.
575mm
b. Is the column adequate to carry an ultimate axial
load of 5,600KN?
18mm
Note:
Service Load – actual imparted loads on a structure.
Ultimate Load – factored loads (take the service loads
and amplify them to represent the loads we design
for).
Figure 1. Properties of the Steel Section
Ex.
Service Load
DL = 3kN/m
LL = 4kN/m
Ultimate Load
1.2DL=1.2 (3kN/m)
1.6LL=1.6(4kN/m)
Transcribed Image Text:475mm 12mm A column 9m is fixed at the base about both axes and pinned at the top about both axes. In addition, it is braced in the weak direction 4m from the base. A572 Grade 60 steel is used (Fy=420 MPa). a. Determine the design axial compressive strength of the column. Consider it as a rolled section. 575mm b. Is the column adequate to carry an ultimate axial load of 5,600KN? 18mm Note: Service Load – actual imparted loads on a structure. Ultimate Load – factored loads (take the service loads and amplify them to represent the loads we design for). Figure 1. Properties of the Steel Section Ex. Service Load DL = 3kN/m LL = 4kN/m Ultimate Load 1.2DL=1.2 (3kN/m) 1.6LL=1.6(4kN/m)
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