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4 cards from this section. Quick, good the night before a test.
What is a Pratt truss?
Think about the types of forces it manages.
Name one type of load that a Pratt truss can support.
Consider what kinds of weights are found on structures.
What is the main feature of the Pratt truss design?
Think about the direction of the triangular shapes.
True or False: Pratt trusses are most commonly used in constructing short-span bridges.
Consider the strengths of the design in favor of span length.
If a Pratt truss bridge supports a load of 10,000 N and the angle of the diagonal members is 45 degrees, calculate the tension in one of the diagonal members.
Remember to apply your knowledge of sine functions in triangles.
Discuss the long-term sustainability factors of using Pratt trusses in urban infrastructure development.
Evaluate both structural and environmental aspects.
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