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Chapter 15: Combined Loads
M15.3: Principal Stresses in a Rectangular Tube Beam
Shear Stress at Point H
State the Problem
Plan the Solution
Table of Contents
Equilibrium
Construct the Shear-force Diagram
Construct the Bending-moment Diagram
V and M Values at H
Bending Stress at H
Shear Stress at Point H
Stress Element at H
Principal Stresses
Maximum In-Plane Shear Stress
Finished
Try One
scene
9
of
14
The transverse shear stress at
H
can now be calculated:
τ
x
y
=
V
Q
I
t
=
(
8
,
000
N
)
(
85
,
875
m
m
3
)
(
15
,
224
×
10
6
m
m
4
)
(
10
m
m
)
=
4
.
51
M
P
a
