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The figure shows a connection that employs three SAE grade 4 bolts. The tensile shear load on the joint is 4000 lbf. The members are bars of AISI 1020 HR steel. Assume the bolt threads do not extend into the joint. Find the factor of safety for each possible mode of failure. (Refer example problem 8.6 on pg. 445). in 1 in ← 12/in -1-in- -2 in in-20 UNC in .5

The figure shows a connection that employs three SAE grade 4 bolts. The tensile shear load on the joint is 4000 lbf. The members are bars of AISI 1020 HR steel. Assume the bolt threads do not extend into the joint. Find the factor of safety for each possible mode of failure. (Refer example problem 8.6 on pg. 445). in 1 in ← 12/in -1-in- -2 in in-20 UNC in .5

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The figure illustrates a connection using three SAE grade 4 bolts. It is subjected to a tensile shear load of 4000 lbf. The components are made from AISI 1020 HR steel, and it is assumed that the bolt threads do not extend into the joint. The task is to determine the factor of safety for each potential mode of failure, referencing example problem 8.6 on page 445. **Diagram Explanation:** 1. **Front View:** - The bolts are arranged in a pattern with vertical and horizontal spacings. - Horizontal spacing between first and second bolt centers: \(1 \frac{1}{8} \, \text{in}\) - Horizontal spacing between second and third bolt centers: \(1 \frac{3}{16} \, \text{in}\) - Vertical spacing between bolt rows: \(1 \, \text{in}\) - Edge distance from the outer bolts to the edge of the plate: \( \frac{5}{8} \, \text{in}\) 2. **Side View:** - The thickness of the plates and spacings: - Plate thickness: \( \frac{5}{16} \, \text{in}\) - The bolts are labeled as \( \frac{1}{4} \, \text{in-20 UNC}\), indicating the thread size and type. This diagram provides detailed dimensions necessary for analyzing the bolt joint's structural integrity and calculating the factor of safety under the given loading conditions.
Transcribed Image Text:The figure illustrates a connection using three SAE grade 4 bolts. It is subjected to a tensile shear load of 4000 lbf. The components are made from AISI 1020 HR steel, and it is assumed that the bolt threads do not extend into the joint. The task is to determine the factor of safety for each potential mode of failure, referencing example problem 8.6 on page 445. **Diagram Explanation:** 1. **Front View:** - The bolts are arranged in a pattern with vertical and horizontal spacings. - Horizontal spacing between first and second bolt centers: \(1 \frac{1}{8} \, \text{in}\) - Horizontal spacing between second and third bolt centers: \(1 \frac{3}{16} \, \text{in}\) - Vertical spacing between bolt rows: \(1 \, \text{in}\) - Edge distance from the outer bolts to the edge of the plate: \( \frac{5}{8} \, \text{in}\) 2. **Side View:** - The thickness of the plates and spacings: - Plate thickness: \( \frac{5}{16} \, \text{in}\) - The bolts are labeled as \( \frac{1}{4} \, \text{in-20 UNC}\), indicating the thread size and type. This diagram provides detailed dimensions necessary for analyzing the bolt joint's structural integrity and calculating the factor of safety under the given loading conditions.
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