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

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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
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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