Steam of 3.5MPa is transported in a pipe of outside diameter 450mm. (Pressure 3.5MPa) The walls of the pipe is 10mm. A gasket and flat plate is used to block the pipe. If a 40mm diameter bolt can carry a maximum stress of 80MPa and the initial stress in the bolt is 55MPa, how may bolts are needed? What is the circumferential stress in the pipe? Why is there an initial stress in the bolt? What will happen if the stress in the bolts = 2 x initial stress?

Steam of 3.5MPa is transported in a pipe of outside diameter 450mm. (Pressure 3.5MPa) The walls of the pipe is 10mm. A gasket and flat plate is used to block the pipe. If a 40mm diameter bolt can carry a maximum stress of 80MPa and the initial stress in the bolt is 55MPa, how may bolts are needed? What is the circumferential stress in the pipe? Why is there an initial stress in the bolt? What will happen if the stress in the bolts = 2 x initial stress?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.2.5P: A hemispherical window (or viewport) in a decompression chamber (see figure) is subjected to an...

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