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Structural Design Philosophies?

by jnlbctln
Tags: design, philosophies, structural
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jnlbctln
#1
Aug15-13, 10:16 AM
P: 22
Good day!
I don't know if they are called Structural design philosophy but, can anyone enumerate(if the list is incomplete) and differentiate the :
1. Ultimate Strength Design
2. Working Stress Design
3. Limit State Design
4. Allowable Stress Design
5. Others (If there are)

Help please.. Thanks :)
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timthereaper
#2
Aug21-13, 02:15 PM
P: 343
I wouldn't call them philosophies, just structural criteria. A lot of those things are controlled by the intended operation for the task. Sometimes you want a widget just not to break, so you design to maximize ultimate strength. Sometimes there's a cyclical load on it, so you design for fatigue life. Sometimes you have a minimum limit for a widget under a certain loading condition. All of those terms are just different design parameters.


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