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dnaSRPS EN 12697-39:2018

Фаза: 50.20 - Почетак поступка одобравања дефинитивног текста нацрта српског стандарда
Почетак: 2019-08-22
Крај: 2019-10-22

Језик: Engleski
Бр. страна: 19

Веза са међународним стандардима
Ovaj standard je identičan sa: FprEN 12697-39 CEN/TC 227

Наслов на српском језику

Asfaltne mešavine — Metode ispitivanja — Deo 39: Određivanje sadržaja veziva spaljivanjem

Наслов на енглеском језику

Bituminous mixtures - Test methods - Part 39: Binder content by ignition

Апстракт на српском језику

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Апстракт на енглеском језику

This document describes a test method for the determination of the binder content of samples of bituminous mixtures by ignition. As such, it is an alternative to the more traditional method of extracting the binder using solvents. The method can be used for evaluation of mixture composition because the remaining aggregate can be used for determining aggregate gradation and density, provided excessive breakdown of the aggregate particles does not occur at the temperature reached. The results can be used for process control or checks on the compliance of mixtures. However, the need for calibration of a mixture, either on the complete mixture or on each of its component materials separately, before an analysis can be carried out makes this method easier to use with regularly used mixtures rather than with an extensive range of different mixtures from different aggregate sources. The test method is equally suitable for the analysis of mixtures containing unmodified or modified binders because the method has to be calibrated for each mixture being checked when calibration on mixtures is used. In case of doubt/dispute, the determination of the calibration value based on laboratory-prepared bituminous mixtures (see A.1 and A.2) is the reference method.

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Директиве

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