RESEARCH OF BUILDING MATERIALS

Effect of carbon nanotubes on the properties of pmb and asphalt concrete

Vestnik MGSU 11/2015
  • Shekhovtsova Svetlana Yur’evna - Belgorod State Technological University named after V.G. Shukhov (BSTU) postgraduate student, Department of Automobile and Rail Roads, Belgorod State Technological University named after V.G. Shukhov (BSTU), 46 Kostyukova str., Belgorod, 308012, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Vysotskaya Marina Alekseevna - Belgorod State Technological University named after V.G. Shukhov (BSTU) Candidate of Technical sciences, Associate Professor, Department of Automobile and Rail Roads, Belgorod State Technological University named after V.G. Shukhov (BSTU), ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 110-119

In the modern world nanotechnologies are an integral part of successful and progressive development of all the areas of activity. Materials science is not an exception. The authors studied the method of nanomodification and its influence on the performance properties of polymer-modified binder (PMB) and asphalt concrete, produced on their basis. It is established that nanomodified PMB are less susceptible to aging, which is a consequence of the processes of peptization of asphalt-resin complexes (ARC) in the structure of the modified binder and the crosslinking with the polymer matrix. It is revealed that nanotubes (SWCN or MWCN) used as a modifier, act as crosslinking agent and the inhibitor of the aging process in a PMB. The influence of nanomodified PMB on strength and deformation properties of asphalt concrete is investigated. It was found out that the use of modified binder in the asphalt concrete mixtures enhances the water resistance of asphalt concrete, heat resistance and shear-resistance.

DOI: 10.22227/1997-0935.2015.11.110-119

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