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Bridges

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by

Jeff Soriano

on 18 December 2013

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Transcript of Bridges

Types of Bridges
Vocabulary
BRIDGES
Truss Bridge
Beam Bridge
Arch Bridge

Suspension/Cable Stay Bridge
Let's start building!
University of Nevada, Reno
College of Engineering
Span - the distance between two supports
Forces:
- Pushing (compression)
- Pulling (tension)
Spans can be as far as 250 feet
Vertical piers support rigid beam
BEAM BRIDGE
The larger the distance between the piers, the weaker the bridge becomes

Arch Bridge
Naturally very strong due to their shape
Can span up to 800 feet
Multiple arches can be used to cover large distances
Suspension Bridge
Can span 2,000 - 7,000 feet
Main suspension spans the entire length of the bridge and is EXTREMELY strong
Road surface is suspended by cables that attach to the main suspension cable
Creates a "U" Shape
Cable Stay Bridge
Cables connect directly from the piers to the road surface
Creates an "A" shape
Both bridges are supported by steel cables
Truss Bridge
Strongest type of bridge
Many members help share the weight
Members feel either a pushing or pulling force
Full transcript