FE 06.0127/2026/BGB - Creation of a performance-based evaluation background for the shaker abrasion test according to TP Gestein-StB, Part 6.6.3

The water sensitivity of foreign filler and the own filler of fine aggregate has a decisive influence on the mortar properties of asphalt, which in turn are directly related to the performance of the building material. In the current standard DIN EN 13043 “Aggregates for asphalt and surface treatments for roads, airfields and other trafficked surfaces", the water sensitivity of foreign filler and own filler is already anchored as an essential characteristic. Research work has demonstrated the suitability and advantages of the shaker abrasion test for determining this water sensitivity in fine aggregates. Based on these findings, the D-A-CH countries have decided to introduce water sensitivity, tested using the shaker abrasion method, as an essential characteristic for fine aggregate into the ongoing CPR-Acquis process. A central problem in deriving an evaluation background directly from test sections, however, is the long service life required, which complicates the process. There is still a need for sound scientific substantiation and optimization of the method. The overarching goal of this research project is to create a performance-based evaluation background for the shaker abrasion test according to TP Gestein-StB, Part 6.6.3. The specific benefit of the FE project lies in the fact that the research results are to be directly incorporated into the technical regulations (TP Gestein-StB, TL Gestein-StB). Through a specific test procedure for the shaker abrasion test, the possibility arises to specifically produce high-quality fine aggregates, which in the long term leads to a significant increase in the durability and sustainability of asphalt construction methods. The following preliminary considerations can be taken into account for the conception of the processing: AP 1 - Literature study AP 2 - Expert survey AP 3 - Optimization of the test method AP 4 - Evaluation of the optimization AP 5 - Sample characterization AP 6 - Creation of an evaluation background AP 7 – Evaluation and recommendations