Shear wave velocity (Vs) values calculated from Standard Penetration Tests (SPTs) and from multichannel analysis of surface waves (MASW) are consistent in their prediction of Vs. This analysis was based upon SPT and MASW data from 10 localities representing four different depositional environments across North America. Homogeneous deposits tend to produce the closest agreement between MASW- and SPT-derived Vs. Poorly sorted deposits can predict less consistent agreement between MASW- and SPTderived Vs. Further, at depths of greater than 20 m below grade, based upon the testing geometry within this work, the prediction of Vs between the two methods can differ.
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