BS EN 12697-20:2020 pdf free.Bituminous mixtures – Test methods.Indentation using cube or Marshall specimens.
BS EN 12697-20 This document specifes a test method for determining the depth of indentation of mastic asphalt and other asphalt, when force is applied to them via a cylindrical indentor pin with a circular flat-ended base. This document applies to aggregates of maximum nominal size less than or equal to 16 mm. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 12697-27, Bituminous mixtures- Test methods一Part 27: Sampling EN 12697-30, Bituminous mixtures- Test methods- Part 30: Specimen preparation by impact compactor EN 12697-35, Bituminous mixtures – Test methods一Part 35: Laboratory mixing EN 12970, Mastic asphalt for waterproofing一Definitions, requirements and test methods EN 13108-6, Bituminous mixtures – – Material specifications一Part 6: Mastic Asphalt ISO 48-2, Rubber, vulcanized or thermoplastic一Determination of hardness一Part 2: Hardness between 10 IRHD and 100 IRHD 3 Terms and definitions No terms and definitions are listed in this document.ISO and IEC maintain terminological databases for use in standardization at the following addresses: 一IEC Electropedia: available at http://www .electropedia.org/ 一ISO Online browsing platform: available at https://www.iso.org/obp/ui Indentation test apparatus (see Figure 2) fitted with an indentor pin and a displacement transducer, suitable for one or two measuring points. Instead of the transducer, a dial gauge with an accuracy of士0,1 mm, may also be used. The water bath, as specified in 4.2.2, shall be connected to the indentation test apparatus by means of a secure and watertight connection running from the bed plate,as specified in 4.2.3, through the bath to the base plate of the apparatus. The measuring pin of the displacement transducer shall not be located more than 50 mm from the axis of the guide rod.BS EN 12697-20 pdf download.