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Solution to Problem 131 Bearing Stress

Problem 131
Repeat Problem 130 if the rivet diameter is 22 mm and all other data remain unchanged.

Solution to Problem 130 Bearing Stress

130 Trusss Joints

Strength of Materials 4th Edition by Pytel and Singer
Problem 130 page 22

Given:
Allowable shear stress = 70 MPa
Allowable bearing stress = 140 MPa
Diameter of rivets = 19 mm
The truss below:
Figure P-130 and P-131

Required:
Number of rivets to fasten member BC to the gusset plate
Number of rivets to fasten member BE to the gusset plate
Largest average tensile or compressive stress in members BC and BE

Solution to Problem 128 Bearing Stress

128 W18 x 86 beam riveted to W24 x 117 girder

Strength of Materials 4th Edition by Pytel and Singer
Problem 128 page 21

Given:
Shape of beam = W18 × 86
Shape of girder = W24 × 117
Shape of angles = 4 × 3-½ × 3/8
Diameter of rivets = 7/8 inch
Allowable shear stress = 15 ksi
Allowable bearing stress = 32 ksi

Required: Allowable load on the connection

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