bolt

Solution to Problem 142 Pressure Vessel

142 Pipe carrying a steam

Strength of Materials 4th Edition by Pytel and Singer
Problem 142 page 29

Given:
Steam pressure = 3.5 Mpa
Outside diameter of the pipe = 450 mm
Wall thickness of the pipe = 10 mm
Diameter of the bolt = 40 mm
Allowable stress of the bolt = 80 MPa
Initial stress of the bolt = 50 MPa

Required:
Number of bolts
Circumferential stress developed in the pipe

Solution to Problem 129 Bearing Stress

129 bolted timbers

Strength of Materials 4th Edition by Pytel and Singer
Problem 129 page 21

Given:
Diameter of bolt = 7/8 inch
Diameter at the root of the thread (bolt) = 0.731 inch
Inside diameter of washer = 9/8 inch
Tensile stress in the nut = 18 ksi
Bearing stress = 800 psi

Required:
Shearing stress in the head of the bolt
Shearing stress in threads of the bolt
Outside diameter of the washer

Solution to Problem 127 Bearing Stress

Strength of Materials 4th Edition by Pytel and Singer
Problem 127 page 21

Given:
Load P = 14 kips
Maximum shearing stress = 12 ksi
Maximum bearing stress = 20 ksi
The figure below:
Figure 1-11b

Required: Minimum bolt diameter and minimum thickness of each yoke

Solution to Problem 117 Shear Stress

Strength of Materials 4th Edition by Pytel and Singer
Problem 117 page 17

Given:
Force P = 400 kN
Shear strength of the bolt = 300 MPa
The figure below:
Figure-1-11b

Required: Diameter of the smallest bolt

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