Geophysical Exploration
Geophysical methods are used in geotechnical investigations to evaluate a site's behavior in a seismic event. By measuring a soil's shear wave velocity, the dynamic response of that soil can be estimated. There are a number of methods used to determine a site's shear wave velocity:
- Crosshole method
- Downhole method (with a seismic CPT or a substitute device)
- Surface wave reflection or refraction
- Suspension logging (also known as P-S logging or Oyo logging)
- Spectral analysis of surface waves (SASW)
- Modal Analysis of Surface waves (MASW)
- Reflection microtremor (ReMi)
Read more about this topic: Geotechnical Investigation
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“I call her old. She has one family
Whose claim is good to being settled here
Before the era of colonization,
And before that of exploration even.
John Smith remarked them as he coasted by....”
—Robert Frost (1874–1963)
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