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Original title in Czech: Fyzikální a stavebně materiálové inženýrstvíFASTAbbreviation: FMIAcad. year: 2013/2014
Programme: Civil Engineering
Length of Study: 4 years
Accredited from: 25.7.2007Accredited until: 31.12.2020
Profile
The PhD study of study branch "Physical and Building Materials Engineering" is focused to a complex scientific training, to methods of individual scientific work and to knowledge development in the field of Building Materials Theory. The fundamental disciplines of the branch are Physics of Materials, Physical Chemistry of Silicates, Theory of Composite Materials, Microstructure of Building Materials, Durability and Rehabilitation of Materials and Structures, further Methods of Measurement and Diagnostics, Modeling of Physical Processes and Building Physics Tasks. From building technical applications especially the Concrete and Building Structures Rehabilitation, Moisture Rehabilitation, Heat-Technical Problems, Reclaiming of Steel and of Wooden Structures. The scientific training in this field is based basic theoretical disciplines of natural sciences and of theoretical scientific disciplines of relevant professional orientation. The graduate of PhD study is trained for asserting himself in development and research activities which enable creative solution of problems, of new progressive building materials development and their use in building structures. The basic character of this PhD education is the close connection both with scientific, research and development activities on the training workplace and in proper technological practice. The continuous active scientific activity is the qualification for possible engagement of graduates as members of the academic staffs at universities.
Guarantor
prof. Ing. Rostislav Drochytka, CSc., MBA, dr. h. c.
Issued topics of Doctoral Study Program
The objective of the study consists in the application of acoustic methods, such as the Impact-Echo, acoustic emission and non-linear ultrasonic spectroscopy to a fast non-destructive testing of the condition of light-weight structural concretes. The results of the study will be compared with those obtained by classical methods: concrete compressive and tensile strengths (simple tension, transversal tension, flexural tensile strength), static and dynamic moduli of elasticity. In cooperation with Prof. Adámek.
Tutor: Chobola Zdeněk, prof. RNDr., CSc.
Acoustic tomography is a method that makes possible to localize inhomogeneities in medium under investigation. The objective of the study consists in calculating cavities in materials by means of acoustic tomography methods and determining the resolution power of these methods.
Tutor: Martinek Jan, doc. Mgr., Ph.D.
The goal is to create conditions for the detection of single parameters of building materials using nondestructive testing methods. Preference will be test-rebound hardness testing method, ultrasonic impulse method and resonance method
Tutor: Brožovský Jiří, doc. Ing., CSc.
A study of the behaviour of concretes in the setting and hardening stages by means of available non-destructive testing methods complete with selected mathematical analysis procedures will be carried out in cooperation with an industrial enterprise.
Tutor: Pazdera Luboš, prof. Ing., CSc.
Decrease of CO2 emission during cement production is realised using reactive silicate supplementary materials. The aim of thesis will be focused on the investigation of solid state formation in the system SiO2-Portland cement.
Tutor: Rovnaníková Pavla, prof. RNDr., CSc.
The dissertation will examine the causes of defects of different kinds of building materials with respect to their structure and affect the price of the property in which they are incorporated.
Tutor: Drochytka Rostislav, prof. Ing., CSc., MBA, dr. h. c.
Doctor theses will be focused on development of advanced natural acoustic-thermal insulation boards usable mainly in building industry and on study of their physical, thermal insulation, acoustic and mechanical properties. In terms of doctor theses will made design and development of insulation boards based on easy renewable fibers bounded with polymer BiCo fibers or natural PLA based fibers. During the work will be possibility of utilization for fire retarders based on nanotechnologies verified
Tutor: Zach Jiří, prof. Ing., Ph.D.
More recently reported a significant expansion of advanced composite materials. Among the most progressive group of these products belong to the so-called self-leveling and screed compounds that are currently most often made based on mono or binary connective systems. These, however, are usually characterized by certain limitations. An alternative that would correct these deficiencies, the ternary binder system, whose research, development and utilization will therefore concern of this work.
Tutor: Fridrichová Marcela, prof. Ing., CSc.
The thesis will focus on possibilities of use of nano-particles, in particular carbon nano-tubes, for manufacture of special high strength concrete or for substantial decrease of cement content in concrete. Optimal mixing methods, ways of homogenization and dosage of nano-particles will be researched.
Tutor: Hela Rudolf, prof. Ing., CSc.
Work will be focused on optimization of properties of light aggregate based on foam glass. Additionally will be the work focused on technology of light thermal insulation materials and sanitation materials production with utilization with above of this aggregate and evaluation of basic properties. The main emphasis in the above-mentioned materials should be placed in the best possible ratio of thermal and mechanical properties and utilization of developed materials in modern constructions.
Currently serving different types of grouting to seal the vacant space, both in concrete, but also in the walls or in large-scale dimensions - dams. Work is about studying in various types of documents different types of media, especially the possibility of using waste as secondary raw materials.
The behavior and properties of hydrated cement can be significantly influenced by primary and secondary formation Aft phases, of which the best known are ettringite and thaumasit. The main scope of work is therefore a synthetic preparation of ettringite and thaumasitu, finding their distinctive character and identity and then monitoring their impact on the behavior of hydrated cement.
Massive development of industrial raw material base, while significantly simplifying the conditions of imported natural raw material base assumptions give a detailed research and development sulfate binders represent. The work is therefore specifically focused on the development of theoretical basis and design of production technologies in anhydrite binders and fast setting plaster casts modifiable properties.
Applying non-destructive testing methods of impedance spectroscopy in material engineering, focusing on materials based on cement. Using impedance spectroscopy to study the developing microstructure of cement based materials during hydration.
Tutor: Schauer Pavel, doc. RNDr., CSc.
The use of deterministic noise in non-destructive testing of building materials follows the time-tested method impact-echo with the goal of the improvement of its resolution and to enable continuous measurement of material characteristics.
Alkali activated aluminosilicates (AAS) are inorganic silicate binders with high durability and serviceability. The aim of this work will be a modification of the properties of various types of AAS using chemical admixtures and naomaterials and characterization of modified products.
Tutor: Rovnaník Pavel, doc. RNDr., Ph.D.
Processes of thermal flow in building structures can be composition of material layers can be modified by the composition of material layers. The analysis of internal thermal and moisture processes and effective design of a structure is able to affect its energy demand substantially and microclimate characteristics.
Tutor: Šťastník Stanislav, prof. RNDr. Ing., CSc. Ph.D.
The research will concern physical properties of hydrated cement paste, especially mechanical properties which influence strength of concrete composites.
Tutor: Ficker Tomáš, prof. RNDr., DrSc.
The aim of thesis will be focused on the investigation of Portland cement hydration in the presence of selected inorganic salts by means of isothermal calorimetry, thermal analysis, scanning electron microscopy and X-ray diffraction analysis.
The research of methods of upgrading waste materials forin thermal insulations, including the use of vegetable fibres, is a contribution for sustainable development in civil engineering. Benefits are good utility properties in comparison with traditional insulations.
The thesis will focus on studies of influence of micronized lime stone with various fineness and specific surface on the properties of both fresh and hardened cement mortar. The main target is optimization of hardened mortar density, impact on the character of microstructure and possible influence on newly formed hydration products.
The thesis will focus on studies of granulometry of fine-grained active and passive additions in the scope 0 – 0.25 mm and their influence on the density of cement matrix. The target is optimization of granulometric curve of filling mass and binder in mentioned size scope and maximal elimination of gaps in matrix.
The thesis will focus on searching possibilities of optimal use of fluid fly ash for production of certain types of mixtures. The main target is testing possibilities of manufacture of base courses for roads, road stabilization and materials for diaphragm walls. Fluid fly ash should partly replace cement while required physico-mechanical and durability requirements are satisfied.
High temperature leads to the release of water present in the concrete. The process is accompanied by volume changes, which may cause spalling largely concrete and steel reinforcement detection. This phenomenon occurs in concretes of different type, it is particularly dangerous for HSC and HPC. The work will follow the factors leading to this phenomenon, the concrete composition, defining characteristics of the input components, pore structure, transport phenomena
Tutor: Bodnárová Lenka, doc. Ing., Ph.D.
The aim is to create conditions for the evaluation of properties of silicate binders using dynamic non-destructive methods, ultrasonic pulse method, the resonance method, etc
During their hydration period silicate binders cause bulk changes, generating internal tension stresses. Thus, the hydration period is crucial for the whole lifetime of the structure.
Study of the sintering and mineralogical composition of the fired porcelain body in the system of aluminous cement - flux (feldspar, bone ash, calcite) - grog (quartz, alumina). Comparison with the properties of traditional porcelain bodies based on kaolin.
Tutor: Sokolář Radomír, doc. Ing., Ph.D.
The aim is to develop new materials from hazardous waste to be finally used in construction. Properties developed recipes will be examined in terms of environmental and technological suitability, including verification and optimization of the economic performance of recipes. The final recipe will also pilot-tested, including verification of material properties developed in terms of the certification process for the new product.
Due to the positive properties of belitic cement in the sense low environmental load and thermal energy, it is desirable to modify their insufficient hydration rate, especially in the early stages of hydration.
The goal of the proposed research is to study experimental correlations between morphological irregularities of fracture surfaces and compressive strength of the cement-based materials. Microscopic technique along with 3D software projection will be used in combination with the mechanical assessment of compressive strength.
The objectives of the work is the study and creation of conditions for identifying modules of elasticity of various building materials, new types of concrete, repair materials, brick body, etc. Determine the relationship between the dynamic modules of NDT and static modules of elasticity
Subject of this work is to study the behavior of cementitious composite materials at high temperatures. Thermal loading of concrete, determine changes in the physico-mechanical properties, monitoring the degree of surface disturbance samples and microscopic observation of thermally loaded samples with measurement of crack width.Study of explosive spalling.Evaluation of the influence of the type of cement, type of aggregate, filler and dispersed reinforcement on the behavior of concrete at high temperatures.
The theme of the work will be the development of innovative types of materials with an anorganic matrix designed for extreme applications. Attention will be focused not only on materials based on Portland cement, but also geopolymers, materials based on alkali-activated materials, etc. The developed materials will be designed for use in extreme conditions, for example highly chemically aggressive environments, extreme temperatures, etc.
Tutor: Dufka Amos, Ing., Ph.D.
Geopolymers are inorganic silicate binders with high durability and serviceability. The aim of this work will be preparation of various types of artificial stone with geopolymer matrix and characterization of their properties.
In the literature are reported degradation mechanisms in the surface layer of insulated buildings. According to the current level of knowledge of the physical process of simultaneous distribution of heat and humidity can be attributed to this speech material properties. The treatment of the subject is not a theoretical work, but an experimental study of the reflectance of building materials especially selected and humidity characteristics spread humidity transport of moisture and its effect.
Study plan wasn't generated yet for this year.