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3 cards from this section. Quick, good the night before a test.
What is the primary mechanism of load bearing in arches?
Think about how weight is distributed across the structure.
List one advantage of using an arch compared to a beam.
Consider the materials needed for beams.
What is the main advantage of arches over beams?
Remember the efficiency of material use.
True or False: A parabolic arch experiencing uniform loading will have bending moments.
Consider how different shapes respond to loads.
A three-hinged arch spans 80 feet with a rise of 20 feet. If a uniform load of 300 lbs/ft is applied, calculate the horizontal thrust at the supports. Assume the arch is parabolic.
Break down the formula components to ensure clarity.
Construct the moment diagram for a three-hinged arch subjected to a varying load distributed across its length.
Focus on equilibrium principles and stress distribution to guide diagram construction.
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