Warm Mix Asphalt with Synthetic Zeolite: A Laboratory Study on Mixes Workability

Rosolino Vaiana ； Teresa Iuele ； Vincenzo Gallelli

《International Journal of Pavement Research and Technology》 6卷5期 (2013/09) Pp. 562-569

https://doi.org/10.6135/ijprt.org.tw/2013.6(5).562

並列摘要

In recent years, several warm mix asphalt technologies have been developed in order to enable significant energy savings and harmful emissions restraint by reducing mixing and compaction temperatures in hot mix asphalt production processes. This paper focuses on the evaluation of workability of WMA produced in laboratory by water-containing methodology with the addition of synthetic zeolite. Both volumetric and mechanical performance of warm asphalt mixtures compared with those of a reference hot mix were evaluated. For the Marshall specimens the variation of density with the compaction energy was also investigated. Finally, some considerations about the effect of the time of foaming (between mixing and compaction) on mixes workability are drawn.

並列關鍵字

Asphalt workability ； Compaction energy ； Foaming process ； Synthetic zeolite ； Warm mix asphalt

參考文獻

Praticò, F.G., Vaiana, R., and Giunta, M. (2011). Sustainable rehabilitation of porous European mixes, ICSDC 2011 - Integrating Sustainability Practices in the Construction Industry, p. 535-541, ASCE, Washington, DC., American Society of Civil Engineers. doi: 10.1061/41204(426)66

Praticò, F.G. and Vaiana, R. (2012). Improving infrastructure sustainability in suburban and urban areas: is porous asphalt the right answer? and how?, Urban Transport 2012, WIT Transactions On The Built Environment, Vol. 128, pp. 673-684, WIT Press, Southampton, A Coruña-Spain, doi: 10.2495/UT120571.

Cocurullo, A., Airey, G.D., Collop, A.C., and Sangiorgi. C. (2008). Indirect tensile versus two-point bending fatigue testing, Proceedings of the Institution of Civil Engineers: Transport, 161(4), pp. 207-220.

Canestrari, F. and Santagata, E. (2005). Temperature effects on the shear behaviour of tack coat emulsions used in flexible pavements, International Journal of Pavement Engineering, 6(1), pp. 39-46.

Praticò, F.G. (2007). Quality and timeliness in highway construction contracts: a new acceptance model based on both mechanical and surface performance of flexible pavements, International Journal of Construction Management and Economics, 25(3), pp. 305–313.