Cyclic and Dynamic Strengths

Over the past decade, there has been an increasing awareness of the significance of the behavior of soils under cyclic stress induced by wave or earthquake loading, on the design and performance of offshore structures seafloor foundation systems, and seafloor slopes. 

Test Type Measured Properties Computed Properties 

Resonant column Shear wave velocity Shear modulus, material damping 

Cyclic triaxial modulus Hysteresis loops Shear modulus, damping 

Cyclic triaxial liquefaction Stress ratio Strain and pore pressure as function of number of cycles  

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