BS EN 13075-1:2012 pdf download – Bitumen and bituminous binders — Determination of breaking behaviour Part 1 : Determination of breaking value of cationic bituminous emulsions, mineral filler method 1 Scope This European Standard specifies a method for the determination of the breaking value of cationic bituminous emulsions. WARNING — The use of this European Standard may involve hazardous materials, operations and equipment. This European Standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this European Standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable 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 58, Bitumen and bituminous binders — Sampling bituminous binders EN 12594, Bitumen and bituminous binders — Preparation of test samples 3 Terms and definitions For the purposes of this document, the following term and definition applies. 3.1 breaking value dimensionless number corresponding to the amount of reference filler, in grams, needed to coagulate 100 g of bitumen emulsion 4 Principle A reference filler is added at a uniform rate to a specified quantity of stirred cationic bitumen emulsion. When the emulsion has broken completely, the amount of added filler is determined by weighing. The mass of filler (in grams) multiplied by 100 and divided by the amount of emulsion (in grams) is the breaking value. NOTE The cationic or anionic nature of an emulsion can be determined by EN 1430 [1]. 5 Reagents and materials 5.1 Reference filler The Sikaisol filler 1) shall be used as the reference filler (the characteristics of which are given in Annex A). Other fillers such as the Forshammer filler may be used as an alternative to the Sikaisol filler. In the event of dispute, the Sikaisol filler shall be used. 5.2 Cleaning agents, as used conventionally in laboratories. 6 Apparatus 6.1 General Usual laboratory apparatus and glassware, together with the specific equipment described below, depending on the procedure used (semi-automatic or manual). An explanatory sketch of the equipment set-up is shown in Figure 1 for the semi-automatic procedure. 6.2 Equipment for semi-automatic procedure 6.2.1 Stirrer motor, as shown in...
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