tom saad of fhwa chicago hs for agricultural sciences shadow day 02-08-12
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Presentation by Tom Saad of FHWA on Careers in Transportation - Chicago HS for Agricultural Sciences Shadow Day 02-08-12.TRANSCRIPT
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Careers In Transportation……Structural (Bridge) Engineering
Chicago High School for Agricultural Sciences
Job Shadow Program
February 8, 2012
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Topics
Introduce Myself Introduction to Engineering
Structural/Bridge Engineering Explain what I do as a Structural Engineer
Knowledge, skills and abilities for success Guidance for those interested in Engineering or in
Transportation Industry
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Who am I?
Thomas Saad, P.E. USDOT/ Federal Highway Administration Senior Structural Engineer
Bridge Design and Analysis Bridge Construction Bridge Inspection Bridge Fabrication Foundation/Geotechnical and Hydraulic
Engineering
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Some Engineering Professions
Civil EngineeringAgricultural EngineeringMechanical Engineering Industrial EngineeringChemical EngineeringElectrical EngineeringAerospace EngineeringComputer Engineering
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Civil Engineering
Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings.
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Civil Engineering Sub-Disciplines
Environmental Engineering Geotechnical Engineering Structural Engineering Transportation Engineering Municipal or Urban Engineering Water Resources Engineering Material Engineering Construction Engineering Surveying
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Skills Civil Engineers require
Math and Sciences Written and Verbal Communications Leadership and Management Computers Even Artistic skills
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Bridge Design Engineer
Design and construct safe bridges for the traveling public
Ensure bridges provide service for 75 or more years for increasing loads and traffic
Limit the need for maintenance so traffic flows freely
Make bridges aesthetically pleasing
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What Do I Do?
Work on National committees to develop design codes and criteria
Assist Engineers in using the latest technology to improve bridges - Teacher
Work at the state level to aid in developing programs to improve bridge safety and durability
Serve as expert to help bridge community understand best practices
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Bridge Safety?
OV-10
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National Bridge Inventory (NBI)
What do you know about the collapse of the U.S. 35 Silver River Bridge?
What bridge safety measures were introduced because of it?
1-11
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Earthquake
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Damage due to Earthquake
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Column Shear
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Strengthening a Column
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Infill shear wall
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Seismic isolation
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1964 M 7.5 Niigata Earthquake, Japan
Showa Bridge – Collapse due to embankment lateral spread. River bed loose sand (approx. 30 ft depth) liquefied.2 ft diameter steel pipe pile extracted showed 3 ft permanent displacement and maximum curvature at base of liquefied layer
Embankment Fills – Lateral Spread
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Site Remediation Using Ground Improvement Vibro-Replacement Technique – most widely used
densification method
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Scour Failure
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Bridge Scour
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Structural Design Engineer
Design and construct safe bridges for the traveling public
Ensure bridges provide service for 75 or more years for increasing loads and traffic
Limit the need for maintenance so traffic flows freely
Make bridges aesthetically pleasing
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Evaluate Bridge Condition
0.85c
10-24
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Need technology to inspect bridges
10-25
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Load Rating/ Load Evaluation of Bridges
OV-26
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Examples of Trucks that use our Highways
4-27
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Oversized Superloads
9-28
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Oversized Superloads
9-29
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Structural Design Engineer
Design and construct safe bridges for the traveling public
Ensure bridges provide service for 75 or more years for increasing loads and traffic
Limit the need for maintenance so traffic flows freely
Make bridges aesthetically pleasing
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Exciting and Rewarding Career
Opportunity to work with experts from across the nation (and internationally)
Teach adults how to improve the bridge network Help customers solve problems for the traveling
public Good pay and job benefits Continually face new challenges – continue to
have opportunities to learn
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Questions???
Thomas Saad, PESr. Structural Engineer FHWA-Resource Center 4749 Lincoln Mall DriveMatteson, IL 60443(708) 283-3521 [email protected]
http://www.fhwa.dot.gov/bridge/
http://www.fhwa.dot.gov/resourcecenter/index.cfm
http://www.fhwa.dot.gov/