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Combined LoadingsFriday, March 26, 2010. Combined Loadings - Mechanics of Materials. Combined Loadings - Stress analysis of axial load, torsion, bending, and shear. Cross sections with several internal loads that occur all at once. Thin wall - (r/t) is less than or equal to 10. This type of tank will be subjected to 2 normal stresses, both in tension. One stress will be in the "hoop" (circumference) direction and the other will be in the longitudinal direction. Hoop Stress: σ 1. Longitudinal Stress: σ 2. R = Inner radius.
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