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2 cards from this section. Quick, good the night before a test.
What is net area?
Think of it as the effective area that bears the load.
Why are staggered holes beneficial?
Consider the concept of redundancy in structural design.
What is net area?
Think about what happens when holes are drilled into a material.
True or False: Staggered holes do not increase the strength of a connection.
Consider why staggered patterns might be used in load-bearing situations.
A structural member with a gross area of 25 square inches has four holes of diameter 1 inch. What is the net area?
Calculate the area of each hole and multiply by the number.
Design a connection for an angle with an effective net area requirement of 0.75. If the angle's gross area is 20 square inches, how many bolts do you need?
Remember to account for the effective area needed.
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