soil laboratory

Laboratorio rocce
Laboratorio rocce
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Determination of physical properties

  • particle size analysis for sieving and sedimentation (aerometry)
  • Atterberg and withdrawal limits
  • USCS-CNR-UNI-EN-ISO earth classifications
  • natural volume weight
  • water content
  • specific weight of the granules
  • void index, degree of saturation and porosity (indirect method)
  • sand equivalent (*)
  • methylene blue test (*)
  • carbonate content

Characteristics of recycled aggregates pursuant to circular n° 5205 of 15/7/2005 - annex c

  • visual separation
  • aggregate particle size analysis (*)
  • sand equivalent (*)
  • Los Angeles fragmentation (*)
  • shape index (*)
  • flattening index (*)
  • eco-compatibility - transfer test

Determination of mechanical properties

  • oedometric consolidation IL
  • swelling index and pressure
  • "Huder-Amberg" swelling
  • free lateral expansion compression ELL
  • triaxial compression (UU, CU, CD)
  • direct cut (CD)
  • direct permeability in the triaxial cell
  • direct permeability in the oedometric cell
  • permeability at constant and variable load in permeameter
  • standard and modified AASHTO constipation (Proctor)
  • CBR and IPI index


(*) Test authorized by the Ministry of Infrastructure and Transport pursuant to circular n ° 7618 / STC 2010 ART. 59 D.P.R. 380/01.