Prohlížení Ústřední knihovna ČVUT dle autora "40a3d4bf-f466-4fec-b632-0ed0802b0c7f"
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APPLICATION OF THE MORI-TANAKA METHOD TO DESCRIBE THE RATE-DEPENDENT BEHAVIOR OF UNIDIRECTIONAL FIBROUS COMPOSITES
Autor: Valentová, Soňa; Šejnoha, Michal; Vorel, Jan; Sedláček, Radek; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)This paper examines the possibility of using the Mori-Tanaka micromechanical model describe the rate dependent behavior of the polymer matrix based fibrous composites. The generalized Leonov model is adopted to capture the ... -
Comparison of behaviour of burnt beams models with effective and actual residual cross-sections in three point bending test
Autor: Keřková Kucíková, Lucie; Šejnoha, Michal; Janda, Tomáš; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)Glued laminated timber beams exposed to fire of a variable duration were tested in three point bending. Three types of model geometries taking into account the effect of burning were created. Each model was examined for ... -
DETERMINATION OF DRYING TIME OF THE RAMMED EARTH WALLS
Autor: Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)The unburned earth is a building material with long history of use. Buildings made of unburned clay are all over the world. But at present, unburned earth is minority building material and its properties are not sufficiently ... -
Determination of water absorption coefficient of unfired earth materials different in used clay and ratio of components
Autor: Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The paper is focused on unfired rammed earth and its water absorption properties. Increasing the utilization of raw natural materials can be one of the approaches towards sustainable development. Different prescriptions ... -
DIAGNOSTICS OF UNFIRED EARTH WITH METHYLENE BLUE TEST
Autor: Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)Unfired earth is important historic building material. Final properties of unfired earth constructions are influenced by amount and kind of clay in earth mixtures. Methylene blue test is a method that helps determining the ... -
DRYING CHARACTERISTIC OF RAMMED EARTH WITH ILLITIC-KAOLINITIC CLAY CONTENT
Autor: Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)Clay is a traditional construction material which has got to background with introduction of modern materials to building practice. There is no proper material available for clay constructions design due to lack of proper ... -
EVALUATION OF IMPACT OF ELEVATED TEMPERATURES ON YOUNG’S MODULUS OF GLT BEAMS
Autor: Kucíková, Lucie; Šejnoha, Michal; Janda, Tomáš; Padevět, Pavel; Marseglia, Guido
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)The influence of elevated temperatures on mechanical behavior of glued laminated timber beams is examined on the basis of tensile tests. Dog bone samples prepared from beams exposed to fire of variable duration were ... -
FRACTURE ENERGY OF ILLITIC RAMMED EARTH WITH HIGH WATER-CLAY RATIO
Autor: Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)The article is focused on design of mixture of rammed earth, producing, testing and determination of fracture energy of unfired rammed earth and its stress-strain curve in tensile bending test. Three different mixtures of ... -
INFLUENCE OF EARTH COMPOSITION ON ADSORPTION CAPACITY OF METHYLENE BLUE DYE
Autor: Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)Final properties of unfired earth are influenced by composition of earth mixtures. Methylene blue test could be useful method for analysis of earth composition. This would facilitate of designing unfired earth building ... -
MECHANICAL PROPERTIES OF RAMMED EARTH WITH RESPECT TO CLAY MIXTURE COMPOSITION
Autor: Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)Unfired earth is a traditional building material, but it is less used than other building materials, such as concrete or steel. But the use of unfired earth is experiencing a renaissance. ammed earth is a type of unfired ... -
Methylene blue test and adsorption capacity of clays
Autor: Plaček Otcovská, Tereza; Mužíková, Barbora; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)This article presents results of experimental measurements focused on an ability of clay to adsorb Methylene Blue dye. This adsorption capacity is determined by a methylene blue test. Adsorption capacity could be a specific ... -
Micromechanical Analysis of Cement Paste with Carbon Nanotubes
Autor: Šmilauer , Vít; Hlaváček , Petr; Padevět , Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2012)Carbon nanotubes (CNT) are an attractive reinforcement material for several composites, due to their inherently high strength and high modulus of elasticity. There are controversial results for cement paste with admixed ... -
MICROSCOPIC FEATURES OF CEMENT PASTE MODIFIED BY FINE PERLITE
Autor: Hrbek, Vladimír; Koudelková, Veronika; Padevět, Pavel; Šašek, Petr
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)The use of waste material and replacement of binder element in cementitious composites is in focus of material development. Perlite in the construction industry is usually used in form of lightweight aggregate enhancing ... -
MODULUS OF ELASCITY OF UNFIRED RAMMED EARTH
Autor: Mužíková, Barbora; Plaček Otcovská, Tereza; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)The article is focused on measurement and evaluation of elastic modulus of unfired rammed earth and determination of stress-strain curve in compressive test. Sets of different containt of clay, sand and water were made and ... -
WATER ABSORPTION CAPACITY COEFFICIENT AND MASS MOISTURE OF RAMMED EARTH MATERIAL
Autor: Mužíková, Barbora; Otcovská, Tereza; Padevět, Pavel
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)This article presents the development of mass moisture of rammed earth material and determines the water absorption capacity coefficient for rammed earth with illite-kaoline clay. Specimens of two prescriptions were rammed ...