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how to calculate shear wave velocity of soil. Shear wave velocity VS is a valuable indicator of the dynamic properties of soil and rock because of its relationship with Gmax given by Equation 11. Gmax r VS 2 11 where soil density r is the total unit weight of the soil divided by gravity 981 msec2 or 322 ftsec2.
In Situ Shear Wave Velocity Measurements In Rocks Geoengineer Org from www.geoengineer.org
In-situ shear stress can be measured using various methods such as seismic refraction crosshole method downhole method and suspension logging. This study investigates the correlation between shear wave velocity VS and standard penetration test blow counts SPT-N value in all soil types gravelly soil sandy soil and clayey soil for Mashhad city in the north eastern region of Iran. Since Shear wave velocity is closely related to Shear strength and stiffness of material It is used to evaluate engineering properties.
Where r is the total density and Vs is the shear wave velocity of the soil mass.
180 ms 360 ms stiff soil. Shear wave velocity VS is a valuable indicator of the dynamic properties of soil and rock because of its relationship with Gmax given by Equation 11. Average Shear-Wave Velocity to 30-m depth A 1500 ms hard rock. Go rV S 2 2 The soil density r can be evaluated from the measured shear-wave velocity V S and the depth h 12.
