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Evaluation of methods for determining an air humidity in building constructions
Nogová, Tereza ; Šuhajda, Karel (referee) ; Žák, Antonín (advisor)
This thesis compares the methods for the determination of air and moisture condensation in the construction. There are descriptions of the various methods and formulas for measuring humidity and methods for the calculation of condensation in building structures. The practical part describes the development of a method for verifying the condensation of moisture in construction. Parts of this work are the materials and methods for the development of the humidity sensor. There were used two methods – capacitive and resistive for measuring moisture condensation. In the conclusion is the evaluation of the humidity sensor and compares the results of individual measurements.
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Study of Preparation and Properties of Historic Mortars
Majerová, Jana ; Lang,, Karel (referee) ; Fridrichová, Marcela (advisor)
The diploma thesis is concerned with study of preparation and properties of historic mortars. In theoretical part, there is summarized the historic progress of mortars and their material composition. The experimental part is focused on proposition of mortar mixes. The diploma thesis referring to actual research on Institute of Technology of Building Materials and Components, FCE VUT in Brno. The base mixe of historical mortar came from this research. In experiment, there is the base mixe of historical mortar modified with gypsum. In the first phase of the experimental part the basic technological and aplication properties are assessed. The second phase of the experimental part is focused on the course of hydration of the binder in different environments and subseqeunt determination of the phase composition by X-ray diffraction analysis. The aim of the thesis is to determine the optimal amount of gypsum and to optimize the recipe of historical mortar.
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Development of Historical Universal Mortar with Blended Binder
Lišovský, Martin ; Wagner,, Štěpán (referee) ; Fridrichová, Marcela (advisor)
The diploma thesis deals with development and properties of historic mortars, evolves and optimizes recipe of historicizing universal mortar with mixture binder, which have been evolves in previous phase. Binder system is based on lime hydrate and metakaolin and is modified with fast-pacing gypsum. Thesis follow up technological properties of mixtures of historicizing mortars and modifies them for current construction industry. It also follows effect of modification to phase composition of binder system and eventually rise of AFt phases.
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Composite medical textile - preparation, characterization, application
Bušinová, Zuzana ; Ing. Vítězslav Zilvar. (referee) ; Krouská, Jitka (advisor)
This bachelor thesis deals with the setting time of the Safix plus gypsum bandage from the Hartmann - Rico a.s. company. The aim of the work is to improve the quality control process of this product and developing a simple robust method for determining the quality control of the Safix plus plaster cast. Two methods and instruments were chosen for the measurement, the Vicat instrument and a rheometer. Vicat's device works on the principle of measuring the depth of penetration of the penetrating body into the sample from a constant height. A rheometer is used to measure rheological properties of the sample, such as viscosity. For both of these methods, it was necessary to prepare the gypsum powder from the gauze. By measuring on the rheometer, the setting time was determined to be 2.4 ± 0.1 minutes and by measuring on the Vicat instrument the observable setting time was determined to be 3.1 ± 0.2 minutes and the complete solidification time to be 6.0 ± 0.4 minutes. Due to the purchase price of the rheometer and in combination with the intended purpose (i.e., product quality control in the commercial sector), the use of a Vicat device appears to be a more suitable option, not only due to the considerably lower purchase price, but also due to simplicity of measurement.
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Sterile Place
Bražina, Jan ; Lukáš,, Hofmann (referee) ; Ambrůz, Jan (advisor)
The bachelor's thesis deals with the study of the boundary between man, the supernatural and the object. The resulting spatial installation and video follow the relationship between the human body and the jwho "inhuman accessories".
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Playground
Haviarová, Kristína ; Sterec, Pavel (referee) ; Ambrůz, Jan (advisor)
In my work there is a great deal of handcuffing, conceptual approach to sculpture, space perception, aesthetic and intuitive work with material. I try to express a state that she can not always describe by words. All the knowledge and experience I have gained during my studies, I would like to apply to my bachelor work. Almost throughout my studies, I have been intensively engaged in plaster work as one of the basic sculptures. In exaggeration, we can talk about some obsession with the material. I deal with colorful but also structural deviations in different species. I work with it not only as a dense material but also as a material with a crust, but with a rough surface. It is some sort of rewinding into this material and through subtle objects and spatial installations I express the inner state, reaction to change and attitude to the environment. My final thesis will be a set of objects with interrelations but without a hierarchical arrangement. It will be about creating a stateless situation, variations in the state of a dead end. As part of the simple objects, gypsum "figures" will be the main actors of the already mentioned situation, with which they have to deal with themselves. I put in expectations that are never filled (static installation), a certain kind of tension occurs. However, gypsum does not have to play only the role of the main hero, it can be purely a part of an object based on aesthetic or sensual choice. I'm not trying to interact. The viewer is just an observer, the voyager who enters the frozen already. It can take the atmosphere and make a deliberate change into the situation of the main heroes of the work.
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Study of volume changes of binders silicate
Nováček, Jaroslav ; Rovnaníková, Pavla (referee) ; Steuer,, Radek (referee) ; Pavlík,, Zbyšek (referee) ; Šťastník, Stanislav (advisor)
In theory, this work is devoted to the principles and methods of measurement of volume changes of mortars and concretes. Emphasis is placed on cement self-levelling screeds with initial shrinkage compensation. In the practical part of the work is devoted to the development of prototype measuring system designed for non-contact detection of volume changes hydrating silicate. Using the new measurement method is also practically examined the influence of boundary conditions on hydration volume changes of selected silicate binders, cement mortar and cement levelling compound based on four different connective concepts. In the calculation, this work focuses on the numerical modelling of volume changes of the examined compounds.
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Body and Time
Olšáková, Marie ; Kupčíková,, Alena (referee) ; Klodová, Lenka (advisor)
This work is about creating a conceptual sculptural work. The goal was to capture the following motives: individual ways of perceiving time and social pressure on women. My personal motivation for creating was the outrage of the societal pressure which is put on women in their reproductive age. The main part of the sculpture is a clock, which is inserted into a plaster cast in the woman's lap. At the same time, a blue IKB pipe is depicted in the woman's lap. The sculpture is a minimalistic depiction of a woman feeling of the societal pressure. Twice a day there is a moment when the hands of the clock cover the pipe, and the pressure that society exerts on us, women, disappears. These moments convey the message that there is no right time. At the same time, I created triptych relief plates in the background, which repeat the plaster material and the use of the bodies that were imprinted into it. Specifically, it captures three generations of women from my family, three different approaches and three different captures of time.
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Composite medical textile - preparation, characterization, application
Bušinová, Zuzana ; Ing. Vítězslav Zilvar. (referee) ; Krouská, Jitka (advisor)
This bachelor thesis deals with the setting time of the Safix plus gypsum bandage from the Hartmann - Rico a.s. company. The aim of the work is to improve the quality control process of this product and developing a simple robust method for determining the quality control of the Safix plus plaster cast. Two methods and instruments were chosen for the measurement, the Vicat instrument and a rheometer. Vicat's device works on the principle of measuring the depth of penetration of the penetrating body into the sample from a constant height. A rheometer is used to measure rheological properties of the sample, such as viscosity. For both of these methods, it was necessary to prepare the gypsum powder from the gauze. By measuring on the rheometer, the setting time was determined to be 2.4 ± 0.1 minutes and by measuring on the Vicat instrument the observable setting time was determined to be 3.1 ± 0.2 minutes and the complete solidification time to be 6.0 ± 0.4 minutes. Due to the purchase price of the rheometer and in combination with the intended purpose (i.e., product quality control in the commercial sector), the use of a Vicat device appears to be a more suitable option, not only due to the considerably lower purchase price, but also due to simplicity of measurement.
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Sterile Place
Bražina, Jan ; Lukáš,, Hofmann (referee) ; Ambrůz, Jan (advisor)
The bachelor's thesis deals with the study of the boundary between man, the supernatural and the object. The resulting spatial installation and video follow the relationship between the human body and the jwho "inhuman accessories".
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