A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Cementitious artificial aggregate particles for high-skid resistance pavements
For some critical road sections, a high skid resistance of wearing course is required to minimise the risk of traffic accidents. Nowadays this skid resistance is mainly brought by the use of special aggregates as calcined bauxite, a scarce and expensive material. The paper presents a patented technology, where a special high-performance mortar is produced and crushed at early age. These cementitious artificial aggregates (CAA) can display aggregate properties close to those of calcined bauxite. Various models are presented for the prediction of the aggregate resistance to wear, fragmentation, and polishing, making possible the optimisation of CAA for specific applications.
Cementitious artificial aggregate particles for high-skid resistance pavements
For some critical road sections, a high skid resistance of wearing course is required to minimise the risk of traffic accidents. Nowadays this skid resistance is mainly brought by the use of special aggregates as calcined bauxite, a scarce and expensive material. The paper presents a patented technology, where a special high-performance mortar is produced and crushed at early age. These cementitious artificial aggregates (CAA) can display aggregate properties close to those of calcined bauxite. Various models are presented for the prediction of the aggregate resistance to wear, fragmentation, and polishing, making possible the optimisation of CAA for specific applications.
Cementitious artificial aggregate particles for high-skid resistance pavements
de Larrard, François (author) / Martinez-Castillo, Rafael (author) / Sedran, Thierry (author) / Hauza, Philippe (author) / Poirier, Jean-Eric (author)
Road Materials and Pavement Design ; 13 ; 376-384
2012-06-01
9 pages
Article (Journal)
Electronic Resource
English
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