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Master's Thesis
Author of thesis: Ing. Daniel Horáček
Acad. year: 2019/2020
Supervisor: prof. Ing. Jan Kudrna, CSc.
Reviewer: Ing. Zdeněk Poulík
The diploma thesis is focused on the design and production of two innovative asphalt mixtures of the VMT 22 type into the base asphalt course. The newly produced blends contain modified binders, such as polymer modified bitumen (PMB) and Crumb rubber modified bitumen (CRMB). The theoretical part of the thesis describes the current state of the use of Reclaimed asphalt pavement in the base asphalt course. Furthermore, there are described types of asphalt mixtures for the base asphalt course are used in the Czech Republic and other countries. The conclusion of the theoretical part is devoted to the description of Reclaimed asphalt pavement (RAP), its storage and processing in a hot mix center. In the practical part of this thesis, there is described design and test of two High modulus asphalt mixture VMT 22, into which 25% RAP is dosed cold without rejuvenators. These asphalt mixtures are then subjected to functional tests (Stiffness of asphalt mixture test, Resistance to fatigue test, Low temperature properties of asphalt mixture test). The results of the functional tests are compared with the functional requirements in the Czech regulation TP 151. In the end of this thesis it is verified by means of the LayEps software that a suitable design of the asphalt mixture can significantly extend the road life.
Bitumen, Reclaimed Asphalt Pavement (RAP), Polymer Modified Bitumen (PMB), Crumb Rubber Modified Bitumen (CRMB), High Modulus Asphalt Mixture, Stiffness, Resistance to Fatigue, Software LayEps.
Date of defence
29.01.2020
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Student představil komisi prezentaci své diplomové práce. Prezentace byla připravena na vysoké úrovni, jak grafické, tak odborné. Byly přečteny posudky vedoucího a oponenta diplomové práce. Student zodpověděl otázky položené v oponentském posudku. Otázky položené komisí: - Buďte opatrně s tím, že by se porušila až za 63 let, protože by mohlo dojít i dříve k porušení mrazovými trhlinami.
Language of thesis
Czech
Faculty
Fakulta stavební
Department
Institute of Road Structures
Study programme
Civil Engineering (N-P-C-SI)
Field of study
Constructions and Traffic Structures (K)
Composition of Committee
doc.Ing. Katarína Bačová, Ph.D. - předseda, doc. Ing. Petr Hýzl, Ph.D. - místopředseda, Ing. Pavel Šperka - tajemník, Ing. Michal Radimský, Ph.D. - člen, Ing. Jiří Apeltauer, Ph.D. - člen, Ing. Ivo Skalický - člen, Ing. Jiří Matula - člen, Ing. Petr Smítal - člen,
Supervisor’s reportprof. Ing. Jan Kudrna, CSc.
Grade proposed by supervisor: A
Reviewer’s reportIng. Zdeněk Poulík
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová