Items starting with S Files

File size: 33.77 KB Download

Solar collectors: Resistance of solar collectors to snow and wind loading NT VVS 111)

NT VVS 111

  • The purpose of these tests is to determine the ability of a collector cover plate to withstand the uniformly distributed loading resulting from positive and negative wind pressures and positive snow pressure.

File size: 32.03 KB Download

Solar collectors: Testing the solar collector’s ageing and corrosion characteristics (NT VVS 110)

NT VVS 110

  • 1.1 This method applies to solar collectors used for converting solar radiation into heat energy.

    1.2 This method covers collectors capable of being tested as independent units with forced circulation of the heat transfer medium.

    1.3 This method covers both concentrating and nonconcentrating collectors.

    1.4 This method does not cover the installation or mounting of solar collectors.

    1.5 This method covers component materials, materials performance and methods of test.

File size: 37.30 KB Download

Sanitary fittings: Overflow (NT VVS 072)

NT VVS 072

  • The test method may be used for all types of sanitary fittings equipped with overflow arrangement.

File size: 1.80 MB Download

Sewer systems: Internal inspection – evaluation of methods and equipment (NT VVS 050)

NT VVS 050

  • The method can be used to test the quality and precision of equipment and or personnel in internal inspection of sewer systems. The test includes the total performance of equipment and personnel.

File size: 97.19 KB Download

Sanitary mixing taps: Overflow (NT VVS 013)

NT VVS 013

  • This method is to be used for testing and estimating the resistance against overflow of sanitary taps designed for mixing cold and hot water.

File size: 4.38 MB Download

Scientific background for the basis of an international standard for easy-to-open packages - EASYOPENPACK 2006-2008 (NT TR 614)

NT TR 614

  • Various characteristics of food packages are nowadays good, including their safety aspects. However, a novel problem has arisen: how to open the package easily. This is a challenge not only to consumers with reduced hand function, but it is common for all of us to face every now and then difficulties in opening packages. But what makes it easy to open a package, and what are the most critical factors for consumers in opening packages?

File size: 2.57 MB Download

Sound scattering in rooms with ceiling treatment (NT TR 606)

NT TR 606

  • The objective in this project is to present a method for quantifying the diffusing effect of furniture and other equipment in rooms with ceiling treatment. The presence of furniture and equipment in this type of rooms will influence room acoustical parameters such as reverberation time, speech transmission index and sound pressure levels among others. A measure denoted equivalent scattering absorption area is introduced.

File size: 2.37 MB Download

Stain test for Natural Stones (NT TR 595)

NT TR 595

  • This study focuses on the development of a standardised procedure for assessing the staining sensitivity of natural stones with and without surface treatment. The following different stone types with different mineralogy, chemistry and surface finishing were used: marble, mica-schist, ultrabasitee, granite and limestone.

File size: 2.07 MB Download

Steel emissivity at high temperatures (NT TR 570)

NT TR 570

  • A new test method was developed at VTT for the determination of the emissivities of different types of steel and other metallic materials as a function of the temperature of the material.

File size: 745.38 KB Download

Suitability of XRF-methods on on-site testing of waste materials (NT TR 545)

NT TR 545

  • In the EU landfill directive the assessment of waste suitability on disposal is divided into three levels according to intended use. The lowest level, called on-site verification usually takes place on the landfill site and is mainly for control purposes to confirm that the waste quality meets characteristics defined in the two upper acceptability assessment phases.

File size: 3.71 MB Download

Superpave test methods for asphalt - Procedure for DSR testing (NT TR 538)

NT TR 538

  • Between 1987 and 1993 in the U.S.A., the Strategic Highway Research Program (SHRP) surveyed all aspects of the physical tests currently carried out on bitumen, and it was shown that new performance-based methods, such as Dynamic Shear Rheometer (DSR), Bending Beam Rheometer (BBR) and Pressure Ageing Vessel (PAV), are needed.

File size: 2.25 MB Download

Study to characterize thermal convection effects in water (NT TR 501)

NT TR 501

  • The careful hydrostatic weighing measurements with alternative preparations performed could not verify the working hypothesis of an existing very thin air layer on objects immersed into water, a problem that occurs whenever primary density determinations are carried out.

File size: 283.25 KB Download

Simplified nox emission procedures (NT TR 472)

NT TR 472

  • This report discusses the potential of implementing simplified NOx emission procedures for the verification of NOx emissions from existing engine installations based on IMO Technical Code, and includes a method proposal.

File size: 305.58 KB Download

System for rating of airborne sound insulation in buildings and of building elements (NT TR 471)

NT TR 471

  • A system is introduced with the purpose of simplifying the basic standard ISO 717-1 for rating of sound insulation in buildings and of building elements. The core idea is that the whole rating procedure can be accomplished by using only two basic weighted sound reduction indices.

File size: 666.10 KB Download

Sammanfattande metod för att bestämma den totala halten PCA i extrakt från däck - ett preliminärt underlag för miljömerking (NT TR 469a)

NT TR 469a

  • The results of the investigations have been combined to give a method for determination of the total amount of PCA, and not only PAH, in the extract from the tread, based on IP 391.

File size: 666.35 KB Download

Sammanfattande metod för att bestämma den totala halten PCA i extrakt från däck - ett preliminärt underlag för miljömärking (NT TR 469)

NT TR 469

  • The results of the investigations have been combined to give a method for determination of the total amount of PCA, and not only PAH, in the extract from the tread, based on IP 391.

File size: 629.61 KB Download

Safety assessment of systems containing COTS software (NT TR 460)

NT TR 460

  • The integration of COTS software adds uncertainties in the design and construction of safety related systems. Limited documentation on the COTS characteristics such as design, resource demands and performances are likely to introduce additional risks to the system.

File size: 42.61 KB Download

Spreading surface tension by the applied droplet method (NT POLY 176)

NT POLY 176

  • This Nordtest method specifies a procedure for determining the spreading surface tension of a surface.

File size: 74.12 KB Download

Sandwich panels: local impact strength of FRP-sandwich panels (NT MECH 042)

NT MECH 042

  • This method specifies the determination of local impact strength of sandwich panels with fibre-reinforced plastic (FRP) faces.

File size: 34.18 KB Download

Static torque meters: Calibration (NT MECH 024)

NT MECH 024

  • This NORDTEST method describes the calibration of torque measuring instruments of both mechanical and electrical types.

File size: 34.73 KB Download

Steel for concrete reinforcement: Bend testing, bars (NT MECH 017)

NT MECH 017

  • This NORDTEST method describes two different procedures for determining the ability of reinforcing bars to undergo plastic deformation in bending.

File size: 28.44 KB Download

Steel for concrete reinforcement: Bend testing, welded fabrics (NT MECH 016)

NT MECH 016

  • This NORDTEST method describes a procedure to reveal if the welding procedure has detrimentally affected the ductility of the bar.

File size: 85.86 KB Download

Steels for concrete reinforcement: Axial load fatigue testing of bars (NT MECH 014)

NT MECH 014

  • This NORDTEST method describes a procedure for fatigue testing under axial loading to obtain the fatigue strength of reinforcing steel in the fatigue regime where the strains are predominately elastic both upon initial loading and throughout the testing.

File size: 117.78 KB Download

Steels for concrete reinforcement: Tensile testing of bars (NT MECH 007)

NT MECH 007

  • This NORDTEST method describes a procedure for tensile testing of reinforcing steel in order to determine specified mechanical properties.

File size: 34.49 KB Download

Steels for concrete reinforcement: Shear testing of joints in welded fabrics (NT MECH 006)

NT MECH 006

  • This NORDTEST method describes a procedure to determine the shear strength of a cross-joint in welded steel fabrics for concrete reinforcement.

File size: 33.64 KB Download

Steels for concrete reinforcement: Diameter and cross-sectional area of bars (NT MECH 005)

NT MECH 005

  • This NORDTEST method describes two different procedures for the determination of the diameter and cross-sectional area of steelbars for concrete reinforcement.

File size: 48.93 KB Download

Steels for concrete reinforcement: Rebend testing of bars (NT MECH 004)

NT MECH 004

  • This NORDTEST method describes a procedure to reveal through mechanical testing the eventual embrittling effect of free (unbound) nitrogen.

File size: 51.69 KB Download

Static testing machines: Verification procedure (NT MECH 001)

NT MECH 001

  • This NORDTEST method specifies the verification of static testing machines used for determination of static strength of materials and products.

File size: 55.75 KB Download

Solid materials: Spontaneous ignition temperature by continuous heating (NT FIRE 045)

NT FIRE 045

  • This test method specifies a procedure for determining the spontaneous ignition temperature Tc of samples of radius r, and, from these temperatures, the material parameters M and P from the equation where dc is a Frank-Kamenetskii critical parameter.

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Nordtest

Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.