
(a)
If all the spacing and edge distance requirements are adequate.

Answer to Problem 7.3.1P
The spacing and the edge distance provided are adequate.
Explanation of Solution
Given:
Tension member is
Thickness of the gusset plate is
Diameter of the bolts is
Steel Used is
Calculation:
The properties for
The ultimate tensile stress is
Write the expression for minimum spacing.
Here, diameter of the bolt is
Substitute
The minimum spacing between the bolts is
For the edge distance to be adequate, the value of edge distance should be greater than or equal to the value of minimum edge distance.
Here, edge distance is
The value of edge distance is
Conclusion:
Thus, the spacing and the edge distance provided are adequate.
(b)
The nominal bearing strength of each bolt.

Answer to Problem 7.3.1P
The nominal bearing strength of the edge bolt is
Explanation of Solution
Calculation:
Write the expression for nominal bearing strength of a bolt.
Here, the nominal bearing strength is
With the upper limit of nominal bearing strength of the bolt,
Write the expression to calculate the value of
Here, height of the bolt is
Write the expression to calculate the value of
Here, spacing between the bolts is
Write the expression to calculate the height of the bolt.
Calculate the value of
Substitute
Calculate the value of
Substitute
Calculate the nominal bearing strength for edge bolts.
Substitute
Calculate the upper limit of nominal bearing strength for edge bolts.
Substitute
Thus, the minimum value of
Calculate the value of
Substitute
Calculate the nominal bearing strength for inner bolts.
Substitute
Calculate the upper limit of nominal bearing strength for inner bolts.
Substitute
Thus, the minimum value of
Conclusion:
Thus, the nominal bearing strength of the edge bolt is
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Chapter 7 Solutions
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