Your Steel Bridge Specialists

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Your Steel Bridge Specialists
Proposal for Steel Bridge Design Competition Entry
Tacoma Design Inc.
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Tacoma Design Inc.

• Patrick Allen -Design Engineer
• Eric Beier -Project Manager
• Amanda Stevens -Project Editor
• Adam Ziegler -Project Engineer

Tacoma Design Inc.
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Your Steel Bridge Specialists
Project Description - Patrick
Design Requirements - Amanda
Project Approach - Eric
Schedule - Eric
Fee - Adam
Conclusion - Adam
Tacoma Design Inc.
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Project Description

• American Institute of Steel Construction (AISC)
• American Society of Civil Engineers (ASCE)
• Benchmark Fabricated Steel Inc.
• Student Steel Bridge Competition
• (Regional and National)
• Problem Statement

Tacoma Design Inc.
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Design Requirements
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Design Requirements

• Scoring Criteria
• Stiffness
• Lightness
• Construction Speed
• Efficiency
• Economy
• Aesthetics

Tacoma Design Inc.
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Design Requirements Stiffness
Aggregate deflection Penalties
Tacoma Design Inc.
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Design Requirements Lightness

• Total Weight Penalties
• Penalties include
• Dimensional violations
• Non conforming components

Tacoma Design Inc.
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Design Requirements Construction Speed
Time Penalties
Tacoma Design Inc.
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Design Requirements Efficiency

• Cs W ? D
• Cs Structural Cost
• W Weight OR 100 lbs
• ? Aggregate Deflection OR 1
• D Maximum Height 18 OR 24

Tacoma Design Inc.
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Design Requirements Economy

• Cc Time Number of Builders 100,000

Tacoma Design Inc.
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Design Requirements Aesthetics

• Aesthetics is Tie-Breaker
• Includes
• Full name of school on bridge
• Poster describing design and fabrication process
• Design, elegance, and finish of bridge

Tacoma Design Inc.
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Project Approach

• AISC/ASCE Competition
• Steel Bridge No. 1
• Steel Bridge No. 2

Tacoma Design Inc.
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Project Approach AISC/ASCE competition

• Study Rules of Contest
• Bridge Erection Practice
• Aesthetic Improvements
• Regional Bridge Competition
• National Bridge Competition

Tacoma Design Inc.
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Project Approach Steel Bridge No. 1

• Preliminary Designs
• Structural Analysis
• Consult Bridge Erector
• Shop Drawings
• Cost Analysis
• Fabrication
• Test and Analyze
• Redesign Considerations

Tacoma Design Inc.
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Project Approach Steel Bridge No. 2

• Preliminary Designs
• Structural Analysis
• Shop Drawings
• Cost Analysis
• Fabrication
• Test and Analyze

Tacoma Design Inc.
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Schedule
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Project Fee
Tacoma Design Inc.
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Conclusion
Project Description
Design Requirements
Project Approach
Schedule
Fee
Conclusion
All figures and competition information
from http//www.aisc.org/steelbridge.html
Tacoma Design Inc.
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Conclusion

• Design a strong, economical, attractive bridge
• Win at Regional level (Evansville)
• Be competitive at National level (San Diego)

Tacoma Design Inc.
Your Steel Bridge Specialists