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Bridge Engineering Linking Physics and Mathematics to Engineering

Bridge Engineering Linking Physics and Mathematics to Engineering. Prof. Subramaniam (“ Subby ”) D. Rajan, Prof. Narayanan Neithalath and Amie Baisley Graduate Students : Kirk Vance, Matt Aguayo, Joseph Harrington and Canio Hoffarth. Popular Structural Systems. Buildings Domes Dams

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Bridge Engineering Linking Physics and Mathematics to Engineering

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  1. Bridge EngineeringLinking Physics and Mathematics to Engineering Prof. Subramaniam (“Subby”) D. Rajan, Prof. Narayanan Neithalath and Amie Baisley Graduate Students: Kirk Vance, Matt Aguayo, Joseph Harrington and CanioHoffarth

  2. Popular Structural Systems • Buildings • Domes • Dams • Canals/Aqueducts • ___________________ Chase One Ballpark BurjKhalifa St. Louis Gateway Arch CAP Canal One World Trade Center

  3. Structural Materials • ___________(Plain, Reinforced, Prestressed) • _________________________________ • Timber/Wood • _________________ Reinforced concrete Steel beams and columns Wood beams and columns Concrete masonry blocks

  4. Bridges in Arizona

  5. Navajo Bridge, Marble Canyon _____________: rock abutments and mid-span 834 ft long 467 ft above water

  6. Roosevelt Dam _________ _________ • 280 ft tall and 723 ft long • 1,000,000 acre-feet • 357 ft tall and 1210 ft long • 1,653,043 acre-feet

  7. Roosevelt Dam Bridge • ________________________________________________ • 1,080 ft long • $__________million

  8. SuperRedTan Interchange 4-level Interchange

  9. Suspension Bridges Boyce Arboretum Kaibab Trail, Grand Canyon

  10. Bridge Basics

  11. Bridge Basics

  12. Engineering Design Fundamentals Using Bridge Design As an Example

  13. Questions – Level 1 • Q1: Building Materials • (a) What are the more common building materials? • (b) Why are there so many different building materials? • Q2: What is a Bridge? • (a) How can bridges be classified? • (b) What are the different parts or components of a bridge? • (c) Describe some famous bridges in Arizona and the US • Q3: Bridge Performance • (a) How are bridges loaded? • (b) How should bridges perform under these loads? • Q4: Who designs and constructs bridges?

  14. Questions – Level 2 • Q5: Building Materials • (a) What material properties characterize the behavior of a material? • (b) How are these material properties obtained? • (c) How do materials fail? • Q6: What is a bridge? • (a) How do bridges fail? • (b) What is the lifetime of a bridge? • (c) How are the chances of a failure minimized? • (d) Describe some famous bridge failures. • (e) What are the typical steps in constructing a bridge? • Q7: Bridge Performance • What is Bridge Management System?

  15. Bridge Building Competition Read the MS Word file Bridge Competition Rules and Regulations.docx before proceeding further

  16. Bridge Layout

  17. Bridge Layout

  18. Bridge Layout

  19. Bridge Layout

  20. Material List for 6 Kits Total: $54=$9/kit

  21. Tools Needed • Gloves • Sharp cardboard cutter or scissors • Pliers • Straight edge • Marker • Saw to cut the dowels into 12” long • Drill (if drilling holes in dowels)

  22. Engineering Design Process • Steps in Meeting the Bridge Design Requirements • Frame the design problem • Research design options • Generate ideas • Use models and build prototypes • Conduct experiments • Troubleshoot and iterate • Communicate

  23. References • Do an internet search using these keywords – bridge, bridge engineering, bridge design, bridge failures • West Point Bridge Design (http://bridgecontest.usma.edu) • Building Big • MatWeb: http://www.matweb.com/ • Zhao and Tonias, Bridge Engineering, McGraw Hill Publications.

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