Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 192
asa free body. The only forcesacting upon this portion of thehoop are those due to the hoopstresses, ph, on the surfacesAB and CD, and those due tothe internal fluid pressure w onthe internal cylindrical surface. As this portion of the shellis in equilibrium under theaction of these forces, we… … Fig. 2 (wxrdd) cos 6 — phxt whenceand xtph wxr. P* = — wrt This is the hoop tension in pounds per square inch. In this discussion the compression in the material ofthe shell, which is due to w and gradually diminishes from 172 MECHANICS OF MATERIALS w at the inner surface to zero at the outer…
Mechanics
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