Welcome to Bridge Building

1
Welcome toBridge Building
2
Introduction

• Early bridges
• Design types
• Examples
• Your project

3
Natural Primitive

• Rocks
• Fallen trees
• Vines (Tarzan!)
• Rope sticks

4
Basic Design Types

• Beam straight pieces (triangles)
• Arch curved support for roadbed
• Suspension roadbed hangs from cables
• Other variations
• Pontoon
• Cantilever
• Draw

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Beam

• Straight pieces
• Triangles

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Arch

• Curved support for the roadbed
• Types
• Roman (roadbed curves with arch)
• Through (roadbed below arch )
• Half-through (roadbed through arch)
• Deck (roadbed above arch)

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Suspension

• Roadbed hangs from cables
• Variation cable-stayed

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Other bridges
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YOUR Bridge Project!

• Design
• Construction
• Destruction test
• Documentation

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Design
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Construction
12
Destruction Test
13
Documentation

• Technical Report Guidelines
• Minimum of one page in length
• Double-spaced, 1 margins
• 12 pt. Times Roman or Arial
• Grammar and spelling count
• Grading scale
• Detail (tech info, measurements, process) 6
• Sense (logical flow of words, steps) 4
• Spelling (dont rely on Spell Check) 2
• Grammar (word usage, punctuation) 3
• Structure (parts of report) 5
• Subtotal 20
• Extra Credit (addl info, pictures) 5
• TOTAL 25