Q2// The beam in Figure 1 is made of 2024-T4 aluminum alloy (E = 72.0 GPa, oy = 330 MPa, o= 470 MPa, and oe = 170 MPa for 107 cycles of completely reversed load). The beam is subjected to lo' completely reversed cycles of load P. If h 200 mm and p = 25.0 mm, determine the magnitude of P, based on a factor of safety of 1.80. %3D
Q2// The beam in Figure 1 is made of 2024-T4 aluminum alloy (E = 72.0 GPa, oy = 330 MPa, o= 470 MPa, and oe = 170 MPa for 107 cycles of completely reversed load). The beam is subjected to lo' completely reversed cycles of load P. If h 200 mm and p = 25.0 mm, determine the magnitude of P, based on a factor of safety of 1.80. %3D
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q2// The beam in Figure 1 is made of 2024-T4 aluminum alloy (E = 72.0
GPa, oy = 330 MPa, o= 470 MPa, and oe = 170 MPa for 10' cycles of
completely reversed load). The beam is subjected to lo' completely
reversed cycles of load P. If h 200 mm andp = 25.0 mm, determine the
magnitude of P, based on a factor of safety of 1.80.
!!
60 mm
1.60 m
250 mm
FIGURE 1
3.0
2.8
26F
2.4
2.2
=110
2.0
- 1:25
18
= 1.50
1.6
H= 2.00
14
1.2
0.2
0.4
0.6
FIGURE 2
Stress concentration factors for grooves in rectangular section bearns.
Stress concentrat on factor
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