Aggregates and recyclates lab

Treatment of natural, man-made or recycled materials

Our geotechnical laboratory performs useful tests to define the properties of aggregates obtained by processing of natural, artificial or recycled materials for civil engineering and road construction works.

We support the manufacturer in the process for obtaining the CE Marking essential for placing construction products on the market according to DIR. 205/2011/EEC in accordance with each attestation system "1+, "1", "2+", "2", "3", "4", and Circular no. 5205/05 for the performance characteristics of recycled aggregates, Annex C1 - Body of embankments, Annex C2 - Road subgrades, Annex C3 - Foundation layers, Annex - C4 fills and backfills, Annex C5 - Accessory layers.

We perform all Initial Type Testing (ITT)and follow the manufacturer in periodic production testing according to the normative references of UNI EN 13242:2008:

  • UNI EN 932-3:2004:Test methods for determining the general properties of aggregates - Procedure and terminology for simplified petrographic description
  • UNI EN 933-1:2012:Tests to determine the geometric characteristics of aggregates - Part 1: Determination of particle size distribution - Particle size analysis by sieving
  • UNI EN 933-3:2012:Tests to determine the geometric characteristics of aggregates - Part 3: Determination of grain shape - Flattening index
  • UNI EN 933-4:2008:Tests to determine the geometric characteristics of aggregates - Part 4: Determination of the shape of granules - Shape index
  • UNI EN 933-5:2006:Tests to determine the geometric characteristics of aggregates - Part 5: Determination of the percentage of crushed surfaces in coarse aggregates
  • UNI EN 933-8:2015:Tests to determine the geometric characteristics of aggregates - Part 8: Evaluation of fines - Sand equivalent test
  • UNI EN 933-9:2013:Tests to determine the geometric characteristics of aggregates - Part 9: Evaluation of fines - Methylene blue test
  • UNI EN 933-11:2009:Tests to determine the geometric characteristics of aggregates - Part 11: Grading test for constituents of recycled coarse aggregates
  • UNI EN 1097-1:2011:Tests to determine the mechanical and physical properties of aggregates - Part 1: Determination of wear resistance (micro-Deval)
  • UNI EN 1097-6:2010:Tests for determining the mechanical and physical properties of aggregates - Part 2: Methods for determining the resistance to fragmentation
  • UNI EN 1097-6:2013:Tests to determine the mechanical and physical properties of aggregates - Part 6: Determination of the bulk density of granules and water absorption
  • UNI EN 1367-1:2007:Tests to determine the thermal properties and degradability of aggregates - Part 1: Determination of frost and thaw resistance
  • UNI EN 1367-2:2010:Tests to determine the thermal properties and degradability of aggregates - Part 2: Magnesium sulfate test
  • UNI EN 1367-3:2020:Tests to determine the thermal properties and degradability of aggregates - Boiling test for basalt "Sonnenbrand"
  • UNI EN 1744-1:2013:Tests to determine the chemical properties of aggregates - Part 1: Chemical analysis
  • UNI EN 1744-3:2003:Tests to determine the chemical properties of aggregates - Preparation of eluates by runoff of aggregates


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