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Chapter 15: Combined Loads
M15.7: Combined Loadings - Post and Beam
Free-Body Diagram
State the Problem
Table of Contents
Free-Body Diagram
Equilibrium
Sigma Due to Axial Force
Tau Due to Shear Force
Sigma Due to Bending Moment
Section Properties - Area
Section Properties - Inertia
Section Properties - Q and t
Calculate Sigma Axial
Calculate Tau
Calculate Sigma Bending
Stress Element for B
Finished
scene
3
of
15
Here is Canvas object wihch demonstrate the problem.
Begin by considering the equilibrium of the post.
Draw a free-body diagram that cuts through the post at
B
.
Assume internal reaction forces at
B
:
F
,
V
, and
M
.
Break the
10
-
k
N
force into
x
and
y
components.
