BS EN 12697-2:2015 pdf download – Bituminous mixtures — Test methods Part 2: Determination of particle size distribution 1Scope This European Standard specifies a procedure for the determination of the particle size distribution of theaggregates of bituminous mixtures by sieving.The test is applicable to aggregates recovered after binderextraction in accordance with EN 12697-1 or EN 12697-39. The applicability of this European Standard is described in the product standards for bituminous mixtures.NOTE Fibres, solid (non-soluble during extraction) additives and (some) binder modifiers influence the test result. 2Normative references The following documents，in whole or in part,are normatively referenced in this document and areindispensable for its application.For dated references, only the edition cited applies. For undated references,the latest edition of the referenced document (including any amendments) applies. EN 932-6,Tests for general properties of aggregates — Part 6: Definitions of repeatability and reproducibility EN 933-1,Tests for geometrical properties of aggregates — Part 1: Determination of particle sizedistribution – Sieving method EN 12697-1,Bituminous mixtures —Test methods for hot mix asphalt — Part 1:Soluble binder contentEN 12697-39, Bituminous mixtures —Test methods for hot mix asphalt — Part 39: Binder content by ignitionISO 3310-1,Test sieves —Technical requirements and testing — Part 1:Test sieves of metal wire cloth ISO 3310-2，Test sieves — Technical requirements and testing — Part 2: Test sieves of perforated metalplate 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 particle size distribution portion of aggregate on specified sieves expressed as cumulative percentages by mass passing those sieves 3.2 upper sieve size of the aggregate in the bituminous mixture in millimetre (mm) according to the relevantmaterial specification standard 4Significance and use The composition of a bituminous mixture in terms of binder content and aggregates grading is a significantquality parameter. The European Standard for bituminous mixtures contains some grading specifications.Controlling the mixture grading is an important instrument for product quality management. 5 Principle The test consists of the determination of the particle size distribution of the aggregates in the bituminousmixture by sieving and weighing.A granulometric analysis of the aggregate is performed after binderextraction. 6 Apparatus 6.1Unless stated otherwise, the apparatus as required in EN 933-1 shall be used. 6.2Sieves with aperture size up to and including 2,8 mm shall be in accordance with ISO 3310-1.6.3Sieves with aperture size of 4 mm and larger shall be in accordance ISO 3310-2. 7 Sample preparation The test shall be carried out...
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