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Modification of asphalt mixtures
Zeleňák, Matej ; Hýzl, Petr (referee) ; Dašek, Ondřej (advisor)
This master’s thesis studies impact of direct-to-plant SBS polymer on properties of asphalt binder and asphalt mixture. It uses a new modification additive. The addition takes place directly during the mixing in the plant. This technology is not commonly used in Czech Republic. The theoretical part of this thesis describes current experiences with this method of modification. The procedures of laboratory tests needle penetration, softening point, elastic recovery, stiffness and low-temperature properties are described. The practical part presents values measured during preparation of test samples. Furthermore, it analyses the test results of the binders and mixtures in detail. The thesis concludes by evaluation of each test result and by summarization of the findings.

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