Down-hole/cross-hole tests. Down-hole/cross hole tests are in-situ test methods - to measure dynamic soil/rock properties - to determine P-wave and S-wave velocities - to identify soil stratification - to determine shear modulus, G = r. v s. Down-hole/cross-hole/krishna Aryal.
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- to measure dynamic soil/rock properties
- to determine P-wave and S-wave velocities
- to identify soil stratification
- to determine shear modulus, G =r.vs
S-wavearrival time, t
vs = dz/dt
Down-hole Seismic test
P and S-waves are determined from the t-z plot