Two plates are clamped by a 3/4-10 UNC SAE Grade 5 bolt and regular nut with a 3/4-W plain washer as shown in figure. Top plate is made of grey cast iron and bottom plate is steel. An axial force of 12kN is acted upon the joint. Round off the length of the bolt to nearest 1/4in. Assume bolts are preloaded to 75% of proof load. 1. Determine the bolt stiffness kb. 2. Determine the member stiffness km. 3. Determine the yielding factor of safety of the bolt. 4. Determine the load factor for the bolt. 5. Determine the load factor guarding against

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.8.7P: A special-purpose eye boll with a shank diameter d - 0.50 in. passes through, a hole in a steel...
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Two plates are clamped by a 3/4-10 UNC SAE
Grade 5 bolt and regular nut with a 3/4-W plain
washer as shown in figure. Top plate is made of
grey cast iron and bottom plate is steel. An axial
force of 12kN is acted upon the joint. Round off
the length of the bolt to nearest 1/4in. Assume
bolts are preloaded to 75% of proof load.
1. Determine the bolt stiffness kb.
2. Determine the member stiffness km.
3. Determine the yielding factor of safety of the
bolt.
4. Determine the load factor for the bolt.
5. Determine the load factor guarding against
joint separation.
1.25 in
1.00 in
Transcribed Image Text:Two plates are clamped by a 3/4-10 UNC SAE Grade 5 bolt and regular nut with a 3/4-W plain washer as shown in figure. Top plate is made of grey cast iron and bottom plate is steel. An axial force of 12kN is acted upon the joint. Round off the length of the bolt to nearest 1/4in. Assume bolts are preloaded to 75% of proof load. 1. Determine the bolt stiffness kb. 2. Determine the member stiffness km. 3. Determine the yielding factor of safety of the bolt. 4. Determine the load factor for the bolt. 5. Determine the load factor guarding against joint separation. 1.25 in 1.00 in
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