(*) The laboratory is authorized by the Ministry of Infrastructure and Transportation for the execution and certification of Tests on rocks (sector B), aggregates and external tests in compliance with circular n. 7618/STC 2010 ART.59 D.P.R. 380/01.
Physical-chemical-mineralogical and petrographical characterization
- volume weights (*)
- water content (*)
- porosity (*)
- imbibition coefficient (*)
- depth of water penetration
- carbonate content
- simplified petrographic description (*)
- petrographic analysis in thin section
- rock quality index
- equivalent quartz content
- diffractometric analysis
Geomechanical characterization
- uniaxial compression with determination of elastic parameters (*)
- triaxial compression in Hoek cell with determination of the elastic parameters and intrinsic parameters of the rock (*)
- "Brazilian" indirect drive (*)
- determination of the speed of the elastic waves P and S in free conditions and under load and determination of the dynamic elastic constants (*)
- direct shear on joint or schistosity and determination of peak and residual parameters "c" and "φ" (*)
- Point Load Test (*)
- flexion (*)
- freezing through freeze-thaw tests (*)
- permeability in triaxial cell (*)
- JCS and JRC geomechanical sclerometric and roughness indices
- Tilt Test
- durability - Slake Durability Test
- swelling index and pressure
- "Huder-Amberg" swelling
- Creep test
Aggregate characterization
- simplified petrographic description (*)
- particle size distribution (*)
- grain shape - Flattening coefficient (*)
- grain shape - Shape index (*)
- grain shape - Shape index (*)
- sand equivalent (*)
- methylene blue (*)
- wear - micro-Deval (*)
- fragmentation - Los Angeles (*)
- bulk mass (*)
- density of the granules and water absorption (*)
- resistance to freeze-thaw (*)
Characterization of natural stones
- flexion
- compression
- abrasion
- slipping
- freezing
- water absorption
- density
Characterization for mechanized excavation
- hardness and abrasion CERCHAR
- LCPC abrasion index
- hardness to the Cone Indenter
- indentation test (Punch Test)
- perforability (Siever's Test)
- fragmentability (Brittleness Test)
- determination of DRI and CLI indices
