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This webinar was co-sponsored by ASCE's Geo-Institute (G-I) and ASCE Continuing Education
Instructor: Michael J. Byle, P.E., BC.GE., F.ASCE
Course Length: 1.5 Hours
Purpose and Background
Near surface investigations commonly rely upon geophysical methods to further their studies and help provide insight. This webinar provides an overview of geophysical methods commonly used for near surface investigations. It provides a summary of the basics for each method, as well as applications and limitations for each in geotechnical investigation. This includes seismic, electrical, magnetic and gravity methods. It also discusses earth properties measured by geophysics and their relevance to geotechnical concerns.
Primary Discussion Topics
- Geophysical methods and how they work
- Properties of the earth measured by geophysics and relevance to geotechnical concerns
- Applications and limitations of geophysical methods
- The importance of ground-truthing and verification of results
Learning Outcomes
Upon completion of this course, you will be able to:
- Identify primary methods of geophysical investigation and how they work
- Identify the properties measured by geophysics and why they matter
- Describe the standard approaches to geophysical use and their limitations
- Define the methods of verification (ground-truthing) to have confidence in the results
Webinar Benefits
- Add proven methods to your geotechnical tool kit
- Avoid unreasonable expectations and problems of misapplying geophysics
- Learn new ways to fill the information gap between borings
- Examine the possibilities for
seeing
into the ground with geophysics - Learn where and how geophysics can be put to best use
Assessment of Learning Outcomes
Students' achievement of the learning outcomes will be assessed via a short post-assessment (true-false, multiple choice and fill in the blank questions).
Intended Audience
- Geotechnical engineers
- Geologists
- Hydrogeologists
- Public agency engineers
- Cultural resource engineers
- Hydrologists
- Transportation engineers
Webinar Outline
- Introduction
- Geotechnical properties vs geophysical properties
- Geophysical methods
- Gravitational
- Magnetic
- Electrical
- Seismic
- Refraction, reflection, and direct transmission
- Applications of geophysics
- Matching methods to conditions
- Planning a program
- Interpretation of results
- Ground-truthing
- Examples
How to Earn your CEUs/PDHs and Receive Your Certificate of Completion
To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 1 year of purchasing the course.
How do I convert CEUs to PDHs?
1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]