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The Research Unit of SDGEE, equipped with state-of-the-art laboratory apparatuses and field testing equipment, has long and internationally recognized expertise in all kinds of laboratory testing and in situ surveys under static and dynamic conditions. This leads to high-quality site characterization for any scale.
Laboratory testing
Laboratory testing
Physical, Mechanical and Dynamic properties of soils and rocks
Physical, Mechanical and Dynamic properties of soils and rocks
Small scale shaking table tests
Small scale shaking table tests
Resonant Column Test: Representative Results - Normalized Shear Modulus (G/Go) and Damping ratio (DΤ) vs shear strain (γ)
Cyclic Triaxial Strain-Controlled Test: Representative Results - Normalized Shear Modulus (G/Go) and Damping ratio (DΤ) vs shear strain (γ)
Cyclic Triaxial Stress Test: Representative Results - Liquefaction
Field testing and Geotechnical surveys
Field testing and Geotechnical surveys
Cross-hole and down downhole tests
Cross-hole and down downhole tests
Spectral Analysis of Surface Waves (SASW)
Spectral Analysis of Surface Waves (SASW)
Ambient noise and array measurements of microtremors
Ambient noise and array measurements of microtremors
Refraction - Reflection
Refraction - Reflection
Cross - Hole
Microtremor
Site characterization and site effects
Site characterization and site effects
The seismic design of structures is based on accurate soil and site characterization. The Research Unit of SDGEE has long-recognized expertise in site characterization, site effects, and geotechnical mapping of urban areas at different scales, applying all kinds of laboratory and field testing, ambient noise, weak and strong ground motions recordings, including HVSR, as well advanced 1D-2D, and 3D, linear, equivalent linear and non-linear numerical analyses
Visualization of all the elements used for the design of the 2D geodynamic sections (Boreholes, SASW, CH, DH & SPAC)
Resonant frequency map of Volvi
Soil categorization of Thessaloniki according to the new soil classification system by Pitilakis et al. (2013)
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