=+54. Ground motions resulting from an earthquake can be heavily influenced by the dynamic properties of the soils overlying bedrock. The authors of “Influence of Pore Fluid Viscosity on the Dynamic Properties of an Artificial Clay” (J. Geotech. Geoenviron. Engr., 2011:

1190–1201) investigated properties of an artificial soil called modified glyben to study seismic soil-structure interaction. Researchers investigated the relationship between x 5 fluid content by mass (%) and vane shear strength (kPa) for three types of modified glyben at different pore fluid viscosities (w/gw): y' 5 vane shear strength (0% w/gw), y'' 5 vane shear strength (25%

w/gw), y''' 5 vane shear strength (50% w/gw). The