Use of Adhesion Promoters in Asphalt Mixtures

Slovak Journal of Civil Engineering

Denisa Cihlářová¹  Silvia Cápayová²  Ivan Fencl³  Petr Pospíšil³ 

[1] Corresponding authorFaculty of Civil Engineering, VŠB – Technical University of Ostrava, Ostrava, Czech Republic;Faculty of Civil Engineering, Slovak University of Technology in Bratislava, Bratislava, Slovak RepublicOther articles by this author:;Faculty of Civil Engineering, VŠB - Technical University of Ostrava, Ostrava, Czech RepublicOther articles by this author:

关键词: Asphalt binders;    Additives;    Adhesion promoters;    Adhesion assessment;   

DOI  :  10.2478/sjce-2018-0003

学科分类：建筑学

来源: Slovenska Technicka Univerzita v Bratislave * Stavebna Fakulta

【 摘 要 】

The purpose of asphalt binder as a significant binder in road constructions is to permanently bind aggregates of different compositions and grain sizes. The asphalt binder itself does not have suitable adhesiveness, so after a period of time, bare grains can appear. This results in a gradual separation of the grains from an asphalt layer and the presence of potholes in a pavement. Adhesion promoters or adhesive agents are important and proven promoters in practice. They are substances mainly based on the fatty acids of polyamides which should increase the reliability of the asphalt’s binder adhesion to the aggregates, thus increasing the lifetime period of the asphalt mixture as well as its resistance to mechanical strain. The amount of a promoter or agent added to the asphalt mixture is negligible and constitutes about 0.3% of the asphalt’s binder weight. Nevertheless, even this quantity significantly increases the adhesive qualities of an asphalt binder. The article was created in cooperatation with the Slovak University of Technology, in Bratislava, Slovakia, and focuses on proving the new AD2 adhesive additive and comparing it with the Addibit and Wetfix BE promoters used on aggregates from the Skuteč - Litická and Bystřec quarries.

【 授权许可】

Unknown