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Issue of asphalt mixtures with coarse-grained aggregates
Koblížek, Ondřej ; Hýzl, Petr (referee) ; Dašek, Ondřej (advisor)
The diploma thesis deals with the design of asphalt mixture of asphalt concrete type for base courses with maximum aggregate grain up to 32 mm and investigates the influence of the amount of asphalt binder on the properties of this mixture. The theoretical part describes the problem of aggregate shortage in the Czech Republic and the division of aggregates into various categories. In the next part, the laboratory used tests (needle penetration determination, softening point determination, compaction degree, determination of the stiffness modulus, low temperature properties and wheel tracking) are described in detail. The practical part describes the used materials, the results of the laboratory tests, their comparison and evaluation.
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Influence of temperature on the penetration of asphalt binders
Koblížek, Ondřej ; Koudelka,, Tomáš (referee) ; Dašek, Ondřej (advisor)
The bachelor thesis deals with an influence of temperature on the needle penetration results of tested bitumens in various test temperatures. The theoretical part describes the issue of laboratory tests in the world. This work also describes the american research program called SHRP (American Highway Research Program). The following part explains used test methods in detail (determination of needle penetration, determination of the softening point – ring and ball method). The practical part briefly introduces used materials and determines the results of laboratory tests and their comparison.
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Influence of temperature on the penetration of asphalt binders
Koblížek, Ondřej ; Koudelka,, Tomáš (referee) ; Dašek, Ondřej (advisor)
The bachelor thesis deals with an influence of temperature on the needle penetration results of tested bitumens in various test temperatures. The theoretical part describes the issue of laboratory tests in the world. This work also describes the american research program called SHRP (American Highway Research Program). The following part explains used test methods in detail (determination of needle penetration, determination of the softening point – ring and ball method). The practical part briefly introduces used materials and determines the results of laboratory tests and their comparison.
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