EXPERIMENTAL STUDY OF BITUMINOUS MASTIC BEHAVIOUR USING DIFFERENT FILLERS BASED ON THE UCL METHOD

Author:

Movilla-Quesada Diana1,Vega-Zamanillo Angel2,Calzada-Pe´rez Miguel Angel2,Castro-Fresno Daniel2

Affiliation:

1. Department of Transports, Projects and Processes School of Engineering, University of Cant

2. Department of Transports, Projects and Processes School of Engineering, University of Cantabria, Santander 39005, Spain

Abstract

This research demonstrates that the use of suitable amounts of calcium hydroxide as an additive in asphalt mixtures can improve the aggregate-bitumen adhesion, forming a bituminous mixture which is more resistant to traffic loads and the action of water. The analysis was performed using the UCL method and the Cantabrian Test, taking as a case study three types of filler with different natures, mixed with 4.5% bitumen. The results are presented as state curves, which show clear differences between the three fillers, demonstrating that the hydroxide suffers small wear losses in concentrations close to 1.3%, indicating a significant reduction in the risk of plastic deformation, and an improvement in the mixture durability and/or adhesiveness.

Publisher

Vilnius Gediminas Technical University

Subject

Strategy and Management,Civil and Structural Engineering

Reference17 articles.

1. A study on the mechanical behaviour of cement–bitumen treated materials

2. Hydrated Lime Content in Asphalt Mastic Based on High Temperature Performances

3. Effect of heating on the physical properties of asphalt aggregates

4. EN 197-1 Cement. Composition, specifications and conformity criteria for common cements . 2000 . European committee for standardization . Brussels . 30 p.

5. Hicks , R. G. ; Todd , P. E. ; Scholz , V. 2003 . Life cycle costs for lime in hot Mix Asphalt . Prepared for National Lime Association, USA . Vol. 2 . 156 p.

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