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Problem 7.2-10 Solve the preceding problem if the normal
and shear stresses acting on the element are x 2100 kPa,
y 300 kPa, and xy560 kPa, and the seam is oriented
at an angle of 22.5° to the element (see figure).
Solution 7.2-10 Plane stress (angle )
430 CHAPTER 7 Analysis of Stress
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Solution 4.3-12 Beam with trapezoidal load
266 CHAPTER 4 Shear Forces and Bending Moments
Reactions
RA 65kN
RB 55kN
RARB12 (50 30 kNm) (3 m) 0 kNm
©FVERT 0
c
(20 kNm)(3 m)(12)(2 m) 0
©MB0 RA(3 m) (30 kNm)(3 m)(1.5 m)
Free-body diagram of section CB
Point
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01. The distance
from the top surface of the beam to the neutral surface is 75 mm.
Calculate the radius of curvature , the curvature , and the vertical
deflection at the end of the beam.
Solution 5.4-4 Cantilever beam
A
B
M0
L
L length of beam
L 1.5 m max 0.001
k
1
r
0.
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Problem 7.3-9 A shear wall in a reinforced concrete building is
subjected to a vertical uniform load of intensity q and a horizontal force
H, as shown in the first part of the figure. (The force H represents the
effects of wind and earthquake loads.) As a consequence of these loads,
the stresses
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CHAPTER 7 Analysis of Stress and Strain
y
O x
3000 psi
x 0 y 0 xy 3000 psi
(a) ELEMENT AT 70
(All stresses in psi)
2 140 70 R 3000 psi
Origin O is at center of circle.
Point D:
Point D:
tx1y1R sin 50 2298 psi
sx1R cos 501928 psi
tx1y1R sin 502298
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