Soil Dynamics and Geotechnical Earthquake Engineering ...

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Dynamic soil properties Soil Dynamics and Geotechnical Earthquake Engineering Joint PhD "Geo-Engineering and Water Management" Assist.Prof. STANISLAV LENART [email protected]
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    12-Jun-2022
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Transcript of Soil Dynamics and Geotechnical Earthquake Engineering ...

Microsoft PowerPoint - Dynamic soil propertiesJoint PhD "Geo-Engineering and Water
Management"
• Field test measurements
loaded geotechnical structures:
- Soil density, ρ
- Damping ratio, D
• Cyclic triaxial test
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Void ratio: e ↑ ⇒ G0 ↓
Time after completion of primary consolidation: t ↑ ⇒ G0 ↑
Moisture content: w ⇒ G0 , D
Overconsolidation: OCR ⇒ G0 ↑
Strain rate (γ > γt v) v ↑ ⇒ G ↑
Number of load cycles (γ > γt v) :
N ↑ ⇒ G ↓
and confining stress
plasticity
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effective confining stress
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• Cyclic nonlinear models
unloding, reloading)
hardening law, flow rule), usualy requires more
parameters
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