Present Trends in Improving Quality of Pavement Bitumen

Liliana Stelea

Abstract


The article presents the experience with modified bitumen in Romania, especially on national roads. More experimental sectors were set and evolution of the condition is observed. Laboratory tests results are presented for different sources of bitumen and different additives.
Tests were performed according to SHRP methods which are based on performance. Considering SHRP algorithm for temperature and traffic prediction may generate effective asphalt mixtures.


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References


Nicoara L. Indrumator pentru laboratoarele de drumuri, UT Timisoara 1998.

*** - “Utilizarea bitumurilor modificate si executarea sectoarelor experimentaleâ€; Proceduri de Lucru, Laborator DRDP Timisoara,

Romanescu C; Racanel C. – Reologia liantilor bituminosi si a mixturilor asfaltice, ISBN:973-685- 566-X, MatrixRom, Bucuresti; 2003

Beica V. “Imbatranirea calitatii bitumului rutier prin modificarea cu polimerâ€. (in Romanian) PhD Thesis, 2005.


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