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Possibilities of evaluation durability of the surface layer of concrete structures
Blažek, Michal ; Žalud, Oldřich (referee) ; Vymazal, Tomáš (advisor)
The thesis is focused on possibilities of durability evaluation of surface layer of concrete structures. The durability of concrete surface layer usually determines the durability of the structure as a unit. It has to be determined in what environment the structure is situated and what influences it has to face, to set the durability of the structure. There is a several normative prescription to set the resistance of the structure. There is formulated a summary of the most widely used and known prescriptions in the theoretical part of the thesis. It is a lot of effort to estimate the durability of the concrete by estimation of permeability of the concrete surface layer recently. Thus these methods are also formulated in the summary and there are compared the individual outputs of the tests. The permeability and pore structures of the concrete surface layer are crucial parameters for the durability of concrete structure. These parameters influence the construction properties of the concrete as well, thus the thesis is focused on relationship of the pore structure and the strength in press of the concrete.
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Risk Assessment of Textile Waste Management
Šindlerová, Vanesa ; Vymazal, Tomáš (referee) ; Hrabová, Kristýna (advisor)
This thesis deals with environmental risks arising from textile waste management. The introduction describes the context of textile problematics and maps the current situation of textile waste management. The main goal of this thesis is to determinate the environmental risks of low percentage of recycling. Recycling is one way of dealing with textile that mitigates the impact on the environment. For the evaluation of the causes and consequences of the researched problem are used Bow-tie analysis and Ishikawa’s diagram. The results of the work bring environmental risks resulting from the application of those selected methods. Part of the thesis is a questionnaire that evaluates the individual’s attitude to textiles. Results of the questionnaire reveals that not needed textiles are perceived as risk to the environment. At the same time, consumer behavior does not correspond with efforts to mitigate the identified impacts.
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Fuzzy Markov chains and their use in risk management
Šindelková, Petra ; Vymazal, Tomáš (referee) ; Misák, Petr (advisor)
This thesis deals with the application of Markov chains for the production of concrete products. The theoretical part is focused on clarifying the concepts of risk management and describes the procedures for dealing with classical Markov chains. There are presented basics of fuzzy logic and finally there is explained the procedure using fuzzy logic in calculating of classical Markov chains in the subsection entitled Fuzzy Markov chains. The practical part describes production process, namely concrete pavements. On this production process is applied knowledge from the theoretical part and there is a comparison and evaluation of two methods of Marcov chains calculation (classic and fuzzy approach).
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Risk analysis and treatment of the technological process
Vengřínová, Hana ; Bednářová, Bronislava (referee) ; Vymazal, Tomáš (advisor)
This diploma thesis deal with analysis and evaluation risks of the technological process of bored piles. Risks are divided into divisions of quality, environmental and safety. Subsequently conducted a risk analysis. The risk assessment was made by following methods - Risk Matrix, FMEA (Analysis Failure Modes and Effects) and Pareto chart. With the help of these methods are assessed identified risks and proposed appropriate measures for risk retention.
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Risk analysis and management of technological stages of construction
Sáček, Petr ; Bednářová, Bronislava (referee) ; Vymazal, Tomáš (advisor)
This thesis deals with the analysis and evaluation of quality, environmental, and security risks, hazards and application of appropriate methodology to a particular construction project. For an application is selected the key construction technology - walling. Diploma thesis establishes a framework for risk management on the basis of established integrated management system (IMS) defines the objectives and mechanisms in controlling adherence to standards, evaluation of business risks, defining risk management strategies, the draft risk management procedures, monitoring their functioning, assessing their performance and any improvement and support the process of supplying the required information.
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Risk analysis and evaluation of a construction work in food industry operation from design to implementation
Labounek, Martin ; Misák, Petr (referee) ; Vymazal, Tomáš (advisor)
This thesis is dealing with analysis and evaluation of quantitative, environmental, safety risks and dangerous, application of suitable methods to the concrete building work, to the concrete conditions of the project, surroundings of the building site, construction contractor's firms and implementation building site into operation. From ČSN EN 31010 Risks management – Risks assessment techniques were selected for work tools – Analysis of potential defects and their consequences (FMEA), Universal Matrix of Risk Analysis (UMRA), Hazard Analysis and Critical Control Points (HACCP), Pareto diagram. The aim of this thesis is to analyze and assess the quality, environmental and safety risks of selected construction process and conditions established and integrated management system to handle simple tools for the management and elimination.
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Analysis and risk assessment of construction technologies of structures in an integrated management system
Komárková, Jana ; Bednářová, Bronislava (referee) ; Vymazal, Tomáš (advisor)
This thesis deals with the analysis and evaluation of quality, environmental and safety risks and the application of appropriate methodologies to concrete construction work. For application are selected key construction technologies, which are classified according to the Classification of building structures and works (TSKP) in Chapter main building production (HSV). From ČSN EN 31010 Risk management – Risk assessment techniques were selected for work tools - Causes and effect analysis, Failure Modes and Effects Analysis (FMEA), Pareto diagram, Bow tie analysis. The aim of this thesis is to analyze and assess the quality, environmental and safety risks of selected construction technologies and conditions established an integrated management system to handle simple tools for the management andelimination.
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The Use of Alternative Sources in the Building Industry
Dvořák, Jakub ; Vymazal, Tomáš (referee) ; Žižková, Nikol (advisor)
This bachelor thesis is focused on the use of waste as alternative raw materials in construction industry. The first part is dedicated to the historical development of waste management, to the valid legislation in the Czech Republic in 2017 and outlines the distribution of waste according to various criteria. The information about waste production and waste management is processed in the form of tables and graphs. The more extensive second part of the thesis uses theoretical knowledge in the field of waste management and on the base of the Waste Separation Catalog is composed a list of waste materials which can be used in construction industry. Further are described the possibilities of suitable waste utilization at production and also mentioned some particular construction products with their features.
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Fuzzy logic methods for the risk assessment
Kovář, Kamil ; Vymazal, Tomáš (referee) ; Misák, Petr (advisor)
Master´s thesis deals about problematic of fuzzy logic, fuzzy sets and operation with them. Also thesis describing procedure of quantification risks through fuzzy sets, process of fuzzyfication, defuzzyfication a theirs application in the expert systems FMEA and FMECA. Using selected chapters of czech states standards are established critical areas in building process, it is a chapters about quality, safety and environment. With these areas by using fuzzy sets theory are created the procentual input values in the decision program, created by Matlab. Output from program is decision how big the risk rate is and if is necessarily make corrective measures. A concrete example is the production of concrete goods, describing production process and composition of fresh concrete. A practical example, created by using information from real company, is a decision about the risk rate in the qualitative area.
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