N. GUESSABİ, K. SOUDANİ, S. SAOULA, S. HADDADİ

STUDY OF THE INFLUENCE OF WASTE OF PLASTIC ON THE MECHANICAL BEHAVIOR OF MODIFIED BITUMINOUS CONCRETE

The objective of this work is the study of the influence of the addition of plastic waste on the behavior of modified asphalt mixtures. Two mechanical tests were conducted on the modified bituminous concrete by the waste of plastic. Different contents of waste were used. The modification was performed by the dry method. The mechanical tests were : Marshall test and the indirect tensile strength test. This study showed that adding waste of plastic to asphalt mix improves their mechanical performances, such as increased stability, compactness, Marshall quotient and indirect tensile strength ITS and decreased Marshall flow and the deformation in the indirect tensile strength test. In addition to the interest of the use of plastic waste in road construction, there is a positive influence on the environment and human life by reducing storage areas of these plastics pollutants

Keywords:

Plastic waste, marshall test, indirect tensile strength test,

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