On y v that 7max = 2V /A, where A = 2art. Hint: Choose a erential area element dA = Rt de. Using dQ = y dA, nulate Q for a circular section from e to (7 - 0) and w that Q 2Rt cos 0, where cos 0 = VR? - y²/R. ds op Prob. 7-62

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter6: Vertical Stress Increase In Soil
Section: Chapter Questions
Problem 6.4P: Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine...
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7-62. Determine the shear-stress variation over the cross
section of the thin-walled tube as a function of elevation y and
show that Tmax = 2V/A, where A = 2nrt. Hint: Choose a
differential area element dA = Rt de. Using dQ = y dA,
formulate Q for a circular section from 0 to (7-0) and
show that Q = 2R²t cos 0, where cos 0
= VR? - y²/R.
ds
de
`R
Prob. 7-62
Transcribed Image Text:7-62. Determine the shear-stress variation over the cross section of the thin-walled tube as a function of elevation y and show that Tmax = 2V/A, where A = 2nrt. Hint: Choose a differential area element dA = Rt de. Using dQ = y dA, formulate Q for a circular section from 0 to (7-0) and show that Q = 2R²t cos 0, where cos 0 = VR? - y²/R. ds de `R Prob. 7-62
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