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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 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
Popular Structural Systems • Buildings • Domes • Dams • Canals/Aqueducts • ___________________ Chase One Ballpark BurjKhalifa St. Louis Gateway Arch CAP Canal One World Trade Center
Structural Materials • ___________(Plain, Reinforced, Prestressed) • _________________________________ • Timber/Wood • _________________ Reinforced concrete Steel beams and columns Wood beams and columns Concrete masonry blocks
Navajo Bridge, Marble Canyon _____________: rock abutments and mid-span 834 ft long 467 ft above water
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
Roosevelt Dam Bridge • ________________________________________________ • 1,080 ft long • $__________million
SuperRedTan Interchange 4-level Interchange
Suspension Bridges Boyce Arboretum Kaibab Trail, Grand Canyon
Engineering Design Fundamentals Using Bridge Design As an Example
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?
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?
Bridge Building Competition Read the MS Word file Bridge Competition Rules and Regulations.docx before proceeding further
Material List for 6 Kits Total: $54=$9/kit
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)
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
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.