LABORATORY TESTS

Testing areas (15)
Products (100)

Reference Designation/Description Accredited
assay
Reference
standards
Product/
Material
Comments
ACL.01 Laboratory test: Measurement of airborne sound reduction index for Rw. Range: Rw ≤ 72 dB ISO 10140-1:2016 (except annexes J and K); ISO 10140-2: 2010; ISO 10140-4:2010; ISO 717-1:2020 Building elements EN 1793-2:2018, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-2:2012, EN 16272-3-1:2012 (only applicable to noise barriers intended for railway)
ACL.02 Laboratory test: Measurement of sound absorption in a reverberation room NP EN ISO 354:2007 Building elements EN ISO 11654:1997 (applicable to flat objects); EN 1793-1:2017, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-1:2012, EN 16272-3-1:2012 (only applicable to noise barriers intended for railway)
ACL.03 Laboratory test: Determination of impact sound insulation index, Ln,w. Range Ln,w ≥ 25 dB ISO 10140-3:2010; ISO 10140-3:2010/Amd 1:2015; ISO 10140-4:2010; ISO 717-2:2020 Building elements Range: Ln,w ≥ 25 dB
ACL.06 Laboratory measurement of the reduction of the transmitted impact noise by floor coverings ∆Lw. Range: ∆Lw ≤ 50 dB ISO 10140-1:2016; ISO 10140-3:2010; ISO 10140-3:2010/Amd 1:2015; ISO 10140-4:2010; ISO 717-2:2020 Building elements Range: ∆Lw ≤ 50 dB
ACL.13 Determination of sound transmission loss in an impedance tube Internal procedure
ACO.05 Determination of mass per linear meter of steel prestressing bars LNEC E 459 Steel rods for prestressing
ACO.06 Determination of the cross-sectional area of steel wires and strands for prestressing LNEC E 452, LNEC E 453 Steel wires and strands for prestressing
ACO.09 Rebend test of steel bars for concrete reinforcement ISO 15630-1:2019 (section 7) Steel bars for concrete reinforcement Up to 32 mm diameter bars.
ACO.10 Tensile test of steel wires, cords and rods for prestressing ISO 15630-3:2019 (section 5); ISO 6892-1:2019 Prestressing steel wires, strands and bars
ACO.11 Shear test of electrowelded networks ISO 15630-2:2019 (section 7.1) Welded fabric
ACO.16 Determination of the straightness of steel wires, cords and rods for prestressing EN ISO 15630-3 (ponto 13.3.4) Fios, cordões e varões de aço para pré-esforço
ACO.19 Deflected tensile test ISO 15630-3:2019 (section 12) Prestressing steel - strand
ACO.20 Axial tensile strength fatigue test ISO 15630-3:2019 (section 10) Steel wires and strands for prestressing
ACO.23 Fatigue test of steel bars for reinforced concrete reinforcement ISO 15630-1:2019 (section 8) Ribbed rods/ steel
ACO.24 Ceiling support tensile test