Truss Problem 6.30: Urgent Help with Stress Calculation | 1020 Steel

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SUMMARY

The discussion focuses on solving Truss Problem 6.30, specifically calculating the stress in member BC, which is determined to be 10.4 ksi in tension. The safety factor for 1020 steel is established at 4.038. The user seeks assistance in understanding the methodology to arrive at the stress value of 10.4 ksi, emphasizing the importance of isolating upright member CE and analyzing moments around pin E for accurate calculations.

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Pepsi24chevy
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truss problem, urgent help!

Hey guys i need help with setting up this truss problem 6.30 which can be seen here,
http://www.mustangmods.com/data/16002/study1.jpg

I know the stress in bc is 10.4ksi (tension) and that the safety facotr for it from 1020 steel is 4.038, I just need help figure out how to figure out that the stress is 10.4ksi. thanks
 
Physics news on Phys.org
The Tension in CD is easy; find it.
Isolate upright member CE (Moments around pin E).
 

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