Permanent Deformation Characteristics of Modified Waste Plastic-Bitumen in Asphalt Concrete

Polymer has been widely used by many researchers to modify bitumen and to improve the properties of asphalt concrete. The paper discussed the laboratory investigation of the use of waste High Density Polyethylene (HDPE) obtained from chopped plastic milk cartoons to modify the properties of asphalt concrete on the permanent characteristics. Waste HDPE was used to modify 60/70 penetration grade bitumen and Its effect on basic bitumen properties was tested over a range of test temperatures. The Marshall stability tests were carried out to determine the optimum bitumen content and optimum HDPE content of asphalt concrete. The optimum HDPE content in binder was found to be 1.5% by weight of binder. The permanent deformation behaviours of asphalt concrete with and without waste HDPE were evaluated in laboratory using wheel tracking and repeated load tests at a range of test temperatures. The VESYS model was used to predict rutting performance for 10 years ahead. Test results showed that the performance of asphalt concrete prepared using waste HDPE plastic were more resistance on permanent deformation over a range temperature.

Dibuat oleh : Imam Aschuri, MSc. (aschuri@itenas.ac.id)

Kata Kunci :  Permanent Deformation, Waste Plastic (HDPE), modified bitumen and Asphalt Concrete (AC).

Keterangan :  Makalah ini  di muat pada  Proceeding International Conference Bridge and Infrastructure Research in Ireland, 12-13 Oktober 2006, Dublin

Permanent Deformation Characteristics of Modified Waste Plastic-Bitumen in Asphalt Concrete