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4 cards from this section. Quick, good the night before a test.
What is the shape of a semi-circular arch?
Think about the shape of the letter 'C' but closed on one side.
What type of loading do we consider for a semi-circular arch?
It’s the same type of loading that you might find on a flat roof.
What shape is formed by a semi-circular arch?
Think of the letter 'C'.
True or False: A semi-circular arch can only support vertical loads.
Consider how loads can act from different angles.
If a 30-foot span semi-circular arch is subjected to a total vertical load of 20 kips, calculate the vertical reaction at the supports.
How many supports does the arch have?
Determine the horizontal reaction at the base of a semi-circular arch with an increased height of 15 feet due to external loads acting off the centroid.
Consider how the change in height alters the angle of the loading.
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