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Original title in Czech: Fyzikální a stavebně materiálové inženýrstvíFASTAbbreviation: FMIAcad. year: 2014/2015
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
Supervisor: Chobola Zdeněk, prof. RNDr., CSc.
The goal is to create conditions for the detection of single parameters of masonry units using nondestructive testing methods. Preference will be test-rebound hardness testing method, ultrasonic impulse method and resonance method
Supervisor: 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.
Supervisor: Pazdera Luboš, prof. Ing., CSc.
The aim of this PhD thesis is to study the influence of temperature and heat on the resulting microstructure of material. The density of the material, pore structure, mineralogical composition and internal structure of the material will be analyzed on the available high-end devices, which requires mastering the work with these devices as well.
Supervisor: Nevřivová Lenka, doc. Ing., Ph.D.
In the context of requirements to reduce of CO2 produced within the cement industry it is necessary to seek new approaches and technologies. Relevant route is the preparation of blended cements by high energy milling with the use of alternative materials. This work will observed the effects of the new available milling technologies especially high-speed disintegrators on the final mineralogical, chemical and physico-mechanical properties of blended cements.
Supervisor: Fridrichová Marcela, prof. Ing., CSc.
Geopolymers are progressive high performance materials which have a great potential to be used in many industrial branches. The aim of this work will be a development of novel heat resistance geopolymeric materials which could be utilized, e.g. as precursors for the production of special ceramics, or in other applications.
Supervisor: Rovnaník Pavel, prof. RNDr., Ph.D.
The paper will analyze durability of various formulas of fibre composites with the cement matrix with the full use of recyclate on the basis of mechanical and physical-chemical tests of diffusion and permeation properties. The aim is to define a perspective formula of fibre composite with concrete recyclate resistant to the degradation of cement matrix caused by carbon dioxide and chlorides, i.e. a formula with higher durability.
Supervisor: Stehlík Michal, doc. Ing., Ph.D.
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.
Supervisor: Schauer Pavel, doc. RNDr., CSc.
The aim will be to specify the properties of the non-hydrophobic plasters with specific system of pores, allowing the easy water vapour diffusion and crystallization of salts from solution.
Supervisor: Rovnaníková Pavla, prof. RNDr., CSc.
The proposed topic is focused on the optimization of the methodolody of estimating the durability of fibre concretes. Pore structure of concrete is of primary importance for its durability. The pore structure of concrete can described by a number of tests but not all of them are a suitable indicator of durability. The expected output are complex conclusions with an impact on the objectivity of using the test of concrete pore structure in relation to the estimate of durability.
Scope of the doctoral thesis is a research in the field of floor system for existing and new industrial plants, which put extreme demands on mechanical resistance. The new system should be based on the design of an appropriate bonding coat, which will be able to anchor even in wet or oily bedding and insulate the screed from these adverse effects. Emphasis will be placed on the strongest connection to the screed e.g. using special fillers.
Supervisor: Drochytka Rostislav, prof. Ing., CSc., MBA, dr. h. c.
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.
Supervisor: Hela Rudolf, prof. Ing., CSc.
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.
Acoustic (AE) and electromagnetic (EME) emission signal generation accompanies the formation of cracks in electrically non-conducting materials. The effect of the composite materiál composition and charactersitics to the EME and AE characteristics will be studied. The results of this study will be applied to the design of a new diagnostic method.
A study of the behaviour of concretes in the low temperature by means of available non-destructive testing methods complete with selected mathematical analysis procedures will be carried out in cooperation with an industrial enterprise.
The goal of the proposed research is to study experimental correlations between morphological irregularities of fracture surfaces and compressive strength of building materials or shear strength of rock joints. Microscopic technique along with 3D software projection will be used in combination with the mechanical assessment of compressive or shear strength.
Supervisor: Ficker Tomáš, prof. RNDr., DrSc.
The aim is to study and create conditions for the basic parameters of repair materials using non-destructive testing methods. Preference will these test methods-rebond method, ultrasonic pulse method and the resonance method. The work will be focused in two main areas, the study of factors affecting the results of non-destructive methods of measurement and processing relationship between the parameters of non-destructive testing and physico-mechanical properties.
Doctoral thesis will focus on influence of secondary crystallization additive to degradation processes of cementitious composites, exposed in various types of aggressive environments. The rate of degradation will be monitored by measuring of the basic mechanical properties of cement composites and also by study their microstructure.
Supervisor: Bydžovský Jiří, doc. Ing., CSc.
This thesis is focused on the study of the physical - mechanical properties of self compacting concrete, in particular to ensure the rapid flow strength and targeted solution to achieve high modulus of elasticity in the range 34-40 GPa, while maintaining all the required rheological properties of fresh SCC.
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.
Supervisor: Sokolář Radomír, doc. Ing., Ph.D.
The work will focus on the beneficial uses of recycled concrete from demolition of old concrete highway covers for the production of concrete or base layers of roads and highways. Verification of the impacts of contamination of chloride ions or alkali-silica reaction or frost disturbance on the quality of recycled concrete and its possible implications for further use.
When producing concrete today commonly used many kinds of additives, such as fly ash, blast furnace slag and silica fume. The aim of the thesis is to find a use of waste materials - concrete, recycled, waste polystyrene district heating furnace slag in concrete prefabricated elements, without compromising the physico-mechanical properties of the product, or to find a job
The work will focus on the causes of the collapse of concrete highway covers the influence of alkali - silica reaction aggregates. The review of the aggregates used in the construction of the motorway D1 and consequently their impact on the life guards. where appropriate, to reduce defects arising in this way.
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.
Supervisor: 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
This work will deal with the development of complex system of special materials for protection repair works and rehabilitation of building structures and equipment of specialized industrial production facilities with extreme load using secondary raw materials. The main advantages of the proposed materials will be high chemical and mechanical resistance and resistance to high temperatures and very short setting and hardening time.
The theme is focused on the evaluation of existing procedures for the diagnosis of reinforced concrete structures and the subsequent development of methodologies for rapid and objective diagnosis of structures that are exposed to highly aggressive environments during their exploitation.
The aim of the work is to characterize the influence of the surrounding environment, which is refractory castable exposed in the structure to its microstructure. Aggressive environment is considered acidic environment (extract flue gases chimneys), alkaline environment (inside the combustion chamber) and the abrasive environment inside the furnace. The paper will also address the description of the test procedures that are used for testing, not in the Czech Republic only .
This work will deal with the development of environmentally friendly External Thermal Insulation Composite System (ETICS). Materials with low energy consumption will be use for the development of new adhesives and screeding materials, as well as for plasters. Attention will be also focus on the selection of suitable insulating material and new composition of ETICS will be compared with a standard system.
Supervisor: Žižková Nikol, doc. Ing., Ph.D.
Geopolymers are progressive high performance materials with improved resistence to high temperatures and aggressive agents. The aim of this work will be a development of novel coating materials based on geopolymer matrix which could be utilized as protective barriers against high temperature and aggressive media.
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.
Supervisor: Šťastník Stanislav, prof. RNDr. Ing., CSc. Ph.D.
The efficiency and utility features solar heat storage tank are bound to used heat-storage materials and method of use of the internal energy. Temperature determines the rate of working fluid losses. The object of study are suitable materials for the construction of a solar heat storage tank (sensible heat, phase change materials), their physical properties. The objective is to model, as well as experimental evidence functionality. (Theme connected with the solution of the research project).
Main objective of this research is to develop new technologies of liquefaction of soils, allowing their reverse use in construction works. Result of this research will be suspension with optimal rheological properties, which will ensure perfect passing by of engineering networks. Study of cooperation of various soil types with liquefaction agent and dispersible component typical for it.
The aim is to study and create conditions for the basic parameters of repair materials using non-destructive testing methods. Preference will these test methods-rebond method, ultrasonic pulse method and the resonance method. The work will be focused in two main areas, the study of factors affecting the results of non-destructive methods of measurement and processing relationship between the parameters of non-destructive testing and physico-mechanical properties
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.
The interaction by thermal radiation between the outer surface of thermal insulation and upper layers of atmosphere implicates additional decrease of temperature with surface condensation. The topics cover the study of such phenomenon and the development of appropriate mortars.
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.