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3-D Seismic Methods for Shallow Imaging Beneath Pavement
Miller, Brian
Miller, Brian
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Abstract
The research presented in this dissertation focuses on survey design and acquisition of near-surface 3D seismic reflection and surface wave data on pavement. Increased efficiency for mapping simple subsurface interfaces through a combined use of modified land survey designs and a hydraulically driven acquisition device are demonstrated. Using these techniques subsurface reflectors can be quickly and efficiently imaged in the course of an afternoon. The use of surface waves to analyze the upper several tens of meters of the subsurface has become an important technique for near-surface investigations. A new method for acquiring and visualizing surface wave information in three-dimensions is demonstrated. As will be shown, a volume of shear wave velocities can be created by acquiring surface waves along multiple, coincident lines. Using a series of computer algorithms the data can then be graphed in 2D or 3D space providing a method of visualization not previously available.
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Date
2013-05-31
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University of Kansas
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Geophysics