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Introduction to Geotechnical Engineering SU - Fall 2015
1. Geotechnical Engineering
An Introduction and Personal Insights
Michael Harney, P.E., P.Eng.
Associate
Shannon & Wilson, Inc.
mdh@shanwil.com
www.shannonwilson.com
2. My Background
BSCE in Structural Engineering - Purdue University (1998)
MSCE in Geotechnical Engineering - University of Washington
(2000)
Special Certificate in Landslide Risk Assessment and Mitigation –
University of Salerno (2006)
15 years experience as a geotechnical engineer
3. Geotechnical Engineering
When traveling by air (mostly in the U.S., because "What do you
do?" is an American question), some people in interesting
professions have taken to saying their field is "geotechnical
engineering" or some such highfalutin endeavor unintelligible to
most people. Should an outlier ask, "What's that?" simply say the
explanation would take longer than the flight.
Margo Howard (“Dear Margo”)
32. Challenging?
A relatively new, developing discipline
– New fields:
• Waste disposal and containment
• Site remediation and environmental enhancement
• Deep ocean, cold regions and space geotechnics
• Natural hazard protection and risk reduction (landslides, tornadoes,
hurricanes, tsunamis, expansive soils, floods)
• Seismic safety – mitigation of seismic risk
• Energy
• Preservation and restoration of old structures
• Sustainable geotechnics
33. Geotechnics
Integration of geology and
civil engineering
A joint effort:
• Geotechnical engineers
• Geological engineers
• Engineering geologists
• Geophysicists
• Hydrogeologists
• More… (geochemists, seismologists,
mining engineers…)
55. A Typical Project
• What properties or behavior of the ground will be important
to design the tank?
– Can the ground support the applied load?
– How will the ground deform under load?
– How much pressure will the ground apply to the walls?
– How much pressure will the groundwater apply to the walls?
– How much water will flow into our excavation?
– How will we excavate the ground?
62. A Typical Project
• Laboratory testing – what do we need to know about the
rock?
– Strength
– Deformability
– Joint strength
– Behavior when excavated
83. Opportunities for Geotechnical
Engineers
• Consulting firms
• Environmental agencies
• Contractors
• Geo-resource firms
• Oil industry
• Federal & State labs/agencies
• Research, teaching
84. Geotechnical Career
• 0 to 2 years
– About 80% in the field (outdoors)
– 20% lab testing, logs, profiles, some writing…
85. Geotechnical Career
• 2 to 5 years
– About 50% in the field
– Other
• Lab Testing
• Logs/Profiles
• Calculations
• Report Writing
• Meetings
– Start learning project
management
86. Geotechnical Career
• 5 to 10 Years
– About 20% in the
field
– Responsible for
Design
– Manage small to
medium projects
87. Geotechnical Career
• > 10 years
– Manage all types of projects
– Manage and mentor younger staff
– Perform marketing to get more work
89. So you want to…
• MSCE in Geotechnical Engineering
• BS in related field (BSCE preferred)
• Broad background
– Civil engineering: structures, hydro, pavements
– Environmental: contaminants, transport, remediation
– GIS
• Geology!
• EIT, PE
Editor's Notes
Dear Corn: The way to get yourself out of these conversations is not to get into them. Because you are referring to people you've just met, I offer you The Airplane Trick.
When traveling by air (mostly in the U.S., because "What do you do?" is an American question), some people in interesting professions have taken to saying their field is "geotechnical engineering" or some such highfalutin endeavor unintelligible to most people. Should an outlier ask, "What's that?" simply say the explanation would take longer than the flight.
-Margo