Down-hole/cross-hole tests

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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.vs

Down-hole/cross-hole/krishna Aryal
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Down-hole Seismic test
Down-hole/cross-hole/krishna Aryal
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Down-hole test
Down-hole/cross-hole/krishna Aryal
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Cross-hole test
2 boreholes arrangement
Down-hole/cross-hole/krishna Aryal
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Cross-hole test
3 boreholes arrangement
Down-hole/cross-hole/krishna Aryal
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Down-hole testing
Down-hole/cross-hole/krishna Aryal
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Results
P and S-waves are determined from the t-z plot
Down-hole/cross-hole/krishna Aryal