bridges Flashcards
What are the three main types of bridges?
Beam bridges, arc bridges, suspension bridges
Define compression in the context of forces.
A force that acts to compress or shorten the thing it is acting on.
Define tension in the context of forces.
A force that acts to expand or lengthen the things it is acting on.
What is a key advantage of beam bridges?
Easy to construct and maintain
What is a cost-related advantage of beam bridges?
Cost-effective
What design feature of beam bridges allows for easy maintenance?
Straight-forward design
List some materials that can be used to build a beam bridge.
Multiple types of material
What is a significant benefit of beam bridges regarding thermal effects?
They survive through thermal expansion
How do arc bridges compare in terms of resistance to loads?
Higher levels of resistance to the imposed loads
What structural advantage do arc bridges have?
Better resistance to pressure due to unique arch style
What is a key feature of the construction materials used in arc bridges?
Great flexibility and options
How do arc bridges maintain their structure over time?
Increased strength over time
What economic advantage do arc bridges provide?
Economic advantages
What is a primary benefit of suspension bridges in terms of construction?
Affordable to construct
What is a significant capability of suspension bridges?
Can cover long spans
How do suspension bridges compare in maintenance to other styles?
Easier to maintain
What role do suspension bridges play in communities?
Provide a landmark
What is a unique construction feature of suspension bridges?
Requires little access from the bottom of the deck
What is a notable height capability of suspension bridges?
Can be built extremely high over waterways
What structural characteristic do suspension bridges have?
Flexibility
How is the construction of suspension bridges described?
Simple construction
