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Specifies requirements for the determination of the impact strength. The test consists in breaking a series of unnotched machined cylindrical test pieces resting freely between supports, and measuring the difference between the kinetic energy of the hammer before and after fracture of the test piece. Annex A includes non-standard test pieces, annex B includes notes on coefficients for calculation…

Describes the basic characteristics of the process of fire development, and gives information based on differentiated temperature-time-curves and on an empirical time of fire duration.

Forms one of a series concerning joints in building. The series includes the following International Standards: ISO 2444 - Joints in building - Vocabulary; ISO 2445 - Joints in building - Fundamental principles for design. Gives a general check-list of functions of joints in building for use in their design.

Applicable of products the SO2 content of which is equal to or more than 2 mg/kg. Based on the displacement of the sulphur dioxide present in the test portion by a current of pure nitrogen and absorption in a known volume of iodine solution. Titration of the excess of iodine with standard volumetric sodium thiosulphate solution. The diagram of the glass apparatus for absorption is shown in a…

1. Scope 1.1 This Standard provides rules and requirements for the design, fabrication, erection, inspection, testing, maintenance, and use of falsework materials and components where they are erected to provide temporary vertical support for buildings and other structures during their construction, alteration or repair. 1.2 This Standard does not apply to: (a) Suspended scaffolds or…

The method consists in decomposition of the soap by a known volume of standard volumetric mineral acid solution, extraction and separation of the liberated fatty matter with light petroleum and determination of a total alkali content by titration of the excess of acid contained in the aqueous phase with a standard volumetric sodium hydroxide solution. After evaporation of the light petroleum from…

1. OBJEt 1.1 La présente norme s'applique au contrôle par ultrasons des soudures bout à bout réalisées sur des pièces de plus de 6 mm (0.2 po) d'épaisseur, ainsi qu'à celui des soudures d'angles et des soudures en T lorsqu'il est possible de définir des méthodes de contrôle convenables. Elle définit les exigences minimales relatives à l'appereillage, les…

1. SCOPE 1.1 This publication provides instructions for the ultrasonic inspection of butt joints in material over 6 mm (0.2 inch) thichness, and in tee and corner joints where suitable testing procedures can be established. It also provides an outline of minimum equipment requirements, methods of calibrating the equipment, and technical information on ultrasonics. 1.2 The two…