LABORATORY TESTS

Testing areas (15)
Products (99)

Reference Designation/Description Accredited
assay
Reference
standards
Product/
Material
Comments
ACI.01 Environmental noise: Measurement of environmental noise. Annoyance response ISO 1996-1:2016; ISO 1996-2:2017; Procedimento Interno ACI.01.IE.01 (version no. 8 of May 2020) or NP ISO 1996-1:2011; NP ISO 1996-2:2011; Annex I of Portuguese Decree-Law No. 9/2007; Internal Procedure ACI.01.IE.02 (version no. 1 of May 2020) Environmental noise
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 717-1:2013; EN 1793-2:2018 (only applicable to noise barriers intended for road traffic) Building elements Range: Rw ≤ 72 dB
ACL.02 Laboratory test: Measurement of sound absorption in a reverberation room NP EN ISO 354:2007 Building elements
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 717-2:2013 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; EN ISO 717-2:2013 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 15630-3:2010 (Section 5), ISO 6892-1:2016 Steel wires and strands for prestressing
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 15630-3:2010 (Section 11) Steel wires and strands for prestressing
ACO.20 Axial tensile strength fatigue test ISO 15630-3:2010 (Section 9) Steel wires and strands for prestressing
ACO.23 Fatigue test of steel bars for reinforced concrete reinforcement