230 lb
M
Chapter 10 Combined Stresses
Combined Normal Stresses
10-1
10-2
10-3
10-4
10-5
F
h
F
Fv
F
h
Fv
Note: Force system transformed
10-7
10-8
10-9
F
Av
F
Ah
FCv
FC
1.2 m
B
F F
M M
ct = 8.45
cb = 5.55
14
C
8
3
A
B
X
X
A
F = 225 N Fv = F sin 60 = 195 N
Fh = F cos 60 = 113 N
375 mm
A
10-10
10-11
10-12
C
0.6 m
Bh 1.0 m
A
h
10-13
R
= 1000 lb
36 000
10-14 [
10-15
10-16
500 lb
R
C
= 500 lb
1200 lb 1200 lb
54 000 lb
54 000 lb
24
24 24
C
B
A
10-17 [ ]
a
10-18
;
10-19
Combined Normal and Shear Stresses
10-21
a
10-23
10-25
10-27
Rotating Shafts Combined Torsional Shear and Bending Stresses
10-29
10-30
10-32
720 N 1800 N
10-33
Combined Axial Tension and Direct Shear Stresses
10-35
10-37
10-38
10-40 ;
Combined Bending and Vertical Shear Stresses
10-41 ;
:
5500 lb
6.00 in
b = 2.00
82
100 lb/in
Total load = 60 000 lb
VA = 3000 VD = 1500
30 in
C
RA = RC = 3000
30 in
A
10-42 [ ]
10-43
B
Noncircular Sections Combined Normal and Torsional Shear Stresses
10-44
10-46
10-47
Combined Stresses of Various Types
10-48
h = 43.3 mm
50
mm
115.5 mm
85 N
Figure for
Problem 10
–
10-50
115.5
10-51
10-52
10-53
M1 = (35.9)(115.5) = 4146 N mm
M2 = (77.0)(250) = 19 250 N mm
M1 + M2 = 23 396 N mm
Figure for Problem10
–
51
Figure for Problem 10
–
50
85 N
615.6
15.0
7.5
10-53
. for