Prohlížení Publikační činnost ČVUT dle autora "Kohoutková A."
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Applicability of Superabsorbent Polymer as a Protective Carrier in the Bio-based Self-healing Concrete
Autor: Schreiberová H.; Fládr J.; Šeps K.; Trtík T.; Prošek Z.; Kohoutková A.
(fib - fédération internationale du béton, 2020)Concrete with an enhanced self-healing ability caused by metabolic activity of certain bacteria has been widely studied in the recent decades. This paper deals with two of the major drawbacks which have been identified in ... -
Bio-based self-healing concrete: A review
Autor: Schreiberová H.; Kohoutková A.; Bílý P.; Ryparová P.
(ČVUT v Praze, Fakulta stavební, 2018)Concrete is one of the most used materials in the world and it could be expected its production will continue to rise in the future. In addition to many advantages of this material, not only the production, transportation ... -
Chování vláknobetonu za vyšších teplot
Autor: Kohoutková A.; Novák J.
(Slovenská technická univerzita v Bratislave, 2016)Projektování nosných konstrukcí obsahuje povinný návrh požární odolnosti. Beton jako nejrozšířenější stavební materiál má řadu předností, ale zároveň některé nedostatky, které ovlivňují chování betonu za vysokých teplot. ... -
Concrete Composite – Sustainable Material for Floating Islands
Autor: Broukalová I.; Kohoutková A.
(Institute of Physics Publishing, 2018)The aim of the paper is presenting of a nature-friendly achievement of an artificial floating island made from concrete composite with dispersed reinforcement (fibre reinforced concrete). Fibre reinforced concrete is ... -
Časově závislé vlastnosti a chování cementových kompozitů v povýrobní fázi
Autor: Novák J.; Kohoutková A.
(Česká betonářská společnost ČSSI, 2020)Nezadržitelný vývoj v betonovém stavitelství v podobě implementace nových materiálů a výrobních technologií vyžaduje výrazně hlubší znalosti o chování kompozitů na cementové bázi. Typickým příkladem je technologie 3D tisku, ... -
Design of Nutrient Enriched Cement Paste with a Superabsorbent Polymer for the Bio-based Self-healing Concrete Development
Autor: Schreiberová H.; Fládr J.; Šeps K.; Kohoutková A.
(Trans Tech Publications, 2019)The application of self-healing concrete for durability enhancement has become a widely studied topic in recent decades. This paper focuses on addition of a superabsorbent polymer (SAP) to bio-based self-healing concrete ... -
Feasibility Study of Material-modified Precast Element Used in the Railway Industry
Autor: Novák J.; Kohoutková A.
(ČVUT v Praze, Fakulta stavební, 2016)Fiber reinforced concrete (FRC) is a material whose utilization in the concrete industry has been rapidly increasing recently. The use of this specific material over conventional forms of concrete can lead to many benefits ... -
Fibre reinforced concrete exposed to elevated temperature
Autor: Novák J.; Kohoutková A.
(IOP Publishing Ltd, 2017)Although concrete when subject to fire performs very well, its behaviour and properties change dramatically under high temperature due to damaged microstructure and mesostructure. As fibre reinforced concrete (FRC) represents ... -
Fire response of Hybrid Fiber Reinforced Concrete to High Temperature
Autor: Novák J.; Kohoutková A.
(Elsevier, 2017)The building industry offers a wide range of materials whose structural behavior is more or less affected by temperature. While the knowledge and experience with concrete behavior under ambient temperature are well-known, ... -
Flexural stiffness of the composite steel and fibre-reinforced concrete circular hollow section column
Autor: Tretyakov A.; Tkalenko I.; Wald F.; Novák J.; Štefan R.; Kohoutková A.
(IOP Publishing Ltd, 2017)The recent development in technology of production and transportation of steel fibre-reinforced concrete enables its utilization in composite steel-concrete structures. This work is a part of a project which focuses on ... -
Heat transfer in hybrid fibre reinforced concrete-steel composite column exposed to a gas-fired radiant heater
Autor: Štefan R.; Procházka J.; Novák J.; Fládr J.; Wald F.; Kohoutková A.; Scheinherrová L.; Čáchová M.
(IOP Publishing Ltd, 2017)In the paper, a gas-fired radiant heater system for testing of structural elements and materials at elevated temperatures is described. The applicability of the system is illustrated on an example of the heat transfer ... -
Interface Behavior and Interface Tensile Strength of a Hardened Concrete Mixture with a Coarse Aggregate for Additive Manufacturing
Autor: Novák J.; Kohoutková A.; Vespalec A.; Vosynek P.; Podroužek J.; Škaroupka D.; Zikmund T.; Kaiser J.; Paloušek D.
(MDPI AG, 2020)3D concrete printing technology (3DCP) is a relatively new technology that was first established in the 1990s. The main weakness of the technology is the interface strength between the extruded layers, which are deposited ... -
Konstrukční prvky s aplikací vláknobetonu
Autor: Novák J.; Kohoutková A.; Vladimír Brejcha V
(ČBS - Česká betonářská společnost ČSSI, 2016)Stavební průmysl nabízí mnoho materiálů, které je možné využít pro výrobu různých konstrukčních prvků. Vláknobeton je materiál, který stále častěji nachází uplatnění v reálných betonových konstrukcích. Důvodem jsou jeho ... -
Mechanical properties of concrete composites subject to elevated temperature
Autor: Novák J.; Kohoutková A.
(Elsevier B.V., 2018)Fire resistance represents an important parameter which is necessary to consider during the structural design of buildings. It is defined as an ability of building components to perform their intended load-bearing functions ... -
Methodology of Controlled Crack Introduction in Cementitious Materials
Autor: Schreiberová H.; Fládr J.; Trtík T.; Chylík R.; Kohoutková A.
(Trans Tech Publications, 2021)Crack formation is a common and generally inevitable phenomenon in the field of concrete structures. On the other hand, the ever-increasing demand for sustainable construction, thus the structures durability, has led ... -
Metodologie tvorby řízených trhlin v cementových materiálech
Autor: Schreiberová H.; Fládr J.; Trtík T.; Chylík R.; Kohoutková A.
(Česká betonářská společnost ČSSI, 2020)Tato studie se zabývá metodologií tvorbě řízených trhlin v laboratorních podmínkách na vzorcích o malých rozměrech. Předchozí experimenty zabývající se zacelováním trhliny využívaly různé postupy pro tvorbu řízených trhlin; ... -
Numerical Simulation of Precast Concrete Panel for Airfield Pavement
Autor: Novák J.; Kohoutková A.
(fib - fédération internationale du béton, 2019)Numerical analysis software belong to the main tools for simulating the real behavior of various concrete structures. In comparison with experimental tests, they offer an affordable way to study the mechanical behavior of ... -
Numerical Simulation of Precast Concrete Panel for Airfield Pavement
Autor: Novák J.; Kohoutková A.
(fib - fédération internationale du béton, 2019)While the use of cast-in-place concrete for an airfield and highway pavement overlay is very common, the application of precast concrete elements is very limited because of two main reasons - high production costs and ... -
Precast concrete pavement – systems and performance review
Autor: Novák J.; Kohoutková A.; Křístek V.; Vodička J.
(IOP Publishing Ltd, 2017)Long-term traffic restrictions belong to the key disadvantages of conventional cast-in-plane concrete pavements which have been used for technical structures such as roads, parking place and airfield pavements. As a ... -
THE STEEL AND FIBRE-REINFORCED CONCRETE CIRCULAR HOLLOW SECTION COMPOSITE COLUMN EXPOSED TO FIRE
Autor: Tkalenko I.; Tretyakov A.; Wald F.; Novák J.; Štefan R.; Kohoutková A.
(Ernst & Sohn, 2017)The recent development in technology of production and transport of the steel fibre-reinforced concrete enables its utilization in composite steel-concrete structures. This work is focused on development of mechanical ...