Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The binder content is one of the most important properties of HMA that can affect the performance of the mixture. Its determination is very important, especially in the case of recycling solutions. Different methods are available but centrifuge extractor and ignition methods are very common. Both methods have advantages and disadvantages that should be considered in order to make the choice most adequate. Based on proficiency tests, the paper has the objective to present the comparison of both methods described in the European standards EN 12697-1 and EN 12697-39 related to centrifuge extractor and ignition tests respectively. The paper demonstrates that there is a tendency to obtain higher values of binder content by ignition method. It was also confirmed the importance of the separation of mineral matter in the case of centrifuge extractor method. The precision of the test methods related to repeatability and reproducibility conditions is also presented. Precision data was compared with values indicated in the corresponding standards.
The binder content is one of the most important properties of HMA that can affect the performance of the mixture. Its determination is very important, especially in the case of recycling solutions. Different methods are available but centrifuge extractor and ignition methods are very common. Both methods have advantages and disadvantages that should be considered in order to make the choice most adequate. Based on proficiency tests, the paper has the objective to present the comparison of both methods described in the European standards EN 12697-1 and EN 12697-39 related to centrifuge extractor and ignition tests respectively. The paper demonstrates that there is a tendency to obtain higher values of binder content by ignition method. It was also confirmed the importance of the separation of mineral matter in the case of centrifuge extractor method. The precision of the test methods related to repeatability and reproducibility conditions is also presented. Precision data was compared with values indicated in the corresponding standards.
Comparison of Binder Content Determination by Centrifuge Extractor and Ignition Test Methods for HMA
Neves, J. (Autor:in)
International Airfield and Highway Pavements Conference 2019 ; 2019 ; Chicago, Illinois
18.07.2019
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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