9–1 to 9–4 The figure shows a horizontal steel bar of thickness h loaded in steady tension and welded to a vertical support. Find the load F that will cause an allowable shear stress, τallow, in the throats of the welds.
Problem Number | b | d | h | τallow |
9–1 | 50 mm | 50 mm | 5 mm | 140 Mpa |
9–2 | 2 in | 2 in |
|
25 kspi |
9–3 | 50 mm | 30 mm | 5 mm | 140 Mpa |
9–4 | 4 in | 2 in |
|
25 kpsi |
The load
Answer to Problem 1P
The load
Explanation of Solution
Write the expression for the length of the weld.
Here, the width of weld is
Write the expression for load
Here, the height of weld is
Conclusion:
Substitute
Substitute
Thus, the load is
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Chapter 9 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
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