Influence of the Type of the Fiber Component of the Stabilizing Additive for Stone Mastic Asphalt Concrete on the Structure of an Organic Binder

Abstract:

The evaluation of the quality of the fibrous filler, which is part of stabilizing additives for the production of stone mastic asphalt concrete, can be carried out on the basis of researching its structuring role to a binding material, which was studied by the following parameters: the depth of needle penetration, elongation at 25 and at 0°C, the softening point, cohesion, elasticity and plastic strength. It is found that the fiber made of high-density microporous cellulose-paper waste have the highest adsorption activity and structuring capacity to the organic binder. Moreover, the adding fiber in amount of 1% of the initial bitumen weight allows forming the more rigid framework of the "tar - cellulose fiber" system, which corresponds to the introduction of 0.5% of stabilizing additive to the stone mastic asphalt mix (SMAM), that is, the amount close to recommended regulations.

• Periodical: Applied Mechanics and Materials (Volume 835)
• Pages: 494-500
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.835.494
• Online since: May 2016
• Authors: Valentina V. Yadykina, Anatoly M. Gridchin, Anna Trautvain, S.S. Tobolenko
• Keywords: Paper Waste, Stabilizing Additives, Stone Mastic Asphalt, Structuring Ability

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