Spectral Analysis of Surface Waves testing
By Pacific Coastal and Marine Science Center
July 2003 (approx.)
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.