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Spectral Analysis of Surface Waves testing

By Pacific Coastal and Marine Science Center July 2003 (approx.)
View looks along the ground at wires attached to an apparatus and a large pipeline running up a hill in the background.
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Detailed Description

The preferred method of SASW testing uses a continuous harmonic-wave source produced by a low-frequency computer-controlled electromechanical shaker (device at right) and multi-sensor linear seismometer arrays (2-sensors on the left). This site is 600-PS11, at Trans Alaska Pipeline, Alyeska Pump Station 11, Glennallen, Alaska.

Sources/Usage

Public Domain.

Global Geoengineering Research