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Zobrazují se záznamy 19466-19485 z 55996

    • Mechanical and durability performance of cementitious matrices with low cement and different additions 

      Autor: Soldado, Eliana; Antunes, Ana; Costa, Hugo; Carmo, Ricardo; Júlio, Eduardo
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Nowadays, the decarbonization of the concrete sector is a priority to counteract the global environmental harmful. Knowing that Portland cement is responsible for significant anthropogenic emissions worldwide, the optimization ...

    • MECHANICAL AND IMAGE ANALYSIS OF ADHESION BETWEEN MINERAL AGGREGATE AND BITUMINOUS BINDER 

      Autor: Trejbal, Jan; Valentová, Tereza; Nežerka, Václav; Semerák, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Asphalt mixtures often fail due to poor interaction between mineral aggregate and bituminous binder. Therefore, many efforts are being made on adhesion improvement between the two materials. In this work, paving grade ...

    • MECHANICAL AND OPTICAL INVESTIGATION OF LASER WELDED STRUCTURAL STEEL - POLY(METHYL-METHACRYLATE) HYBRID JOINT STRUCTURES 

      Autor: Csizér, Tamás; Temesi, Tamás; Molnár, László
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Modern welding processes that can easily be automated (such as friction stir welding, laser welding and ultrasonic welding) are gaining popularity in joining metal-polymer hybrid structures. This field of science is ...

    • Mechanical and physical properties of cement mixtures for 3D processing 

      Autor: Litoš, Jiří; Šána, Vladimír; Uhlík, Adam; Kolář, Karel; Nguyen, Markéta
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      In this paper, information about cementitious composite materials for further 3D processing is discussed and supplemented. Many of the research in this area focuses primarily on cement composites suitable for 3D printing. ...

    • MECHANICAL AND STRUCTURAL PROPERTIES OF COLLAGEN NANOFRIBROUS LAYERS UNDER SIMULATED BODY CONDITIONS 

      Autor: Říhová, Jitka; Suchý, Tomáš; Vištejnová, Lucie; Horný, Lukáš; Šupová, Monika
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      The theme of this paper is the analysis of mechanical and structural properties of nanofibrous COL under simulated body conditions and in the presence of osteoblasts and dermal fibroblasts. COL were prepared by electrostatic ...

    • Mechanical characteristics of historical beams of Picea spp. wood. 

      Autor: Sotomayor Castellanos Javier Ramón; Vedoucí práce: Kuklík Petr
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2012-07-27)

    • Mechanical characterization of traditional adobe masonry elements 

      Autor: Pinheiro Pereira De Almeida Joao Alberto; Vedoucí práce: Oliveira Daniel V.; Oponent práce: Ramos Luis F.
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2012-12-02)

    • MECHANICAL DISINTEGRATION OF WHEAT STRAW BY ROLLER-PLATE GRIND SYSTEM WITH SHARP-EDGED SEGMENTS 

      Autor: Kratky , Lukas; Jirout , Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      Colloid mills and extruders are widely used for disintegrating wet fibrous biomass. However, their main disadvantages are a high energy requirement in the range of hundreds or thousands of kWh per ton of material, and the ...

    • MECHANICAL MODEL FOR HUMAN BALANCING ON ROLLING BALANCE BOARD 

      Autor: Molnar, Csenge A.; Zelei, Ambrus; Insperger, Tamas
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      A two-degree-of-freedom mechanical model was developed to analyze human balancing on rolling balance board in the frontal plane. The human nervous system is modeled as a proportionalderivative controller with constant ...

    • MECHANICAL PROPERTIES IMPROVEMENT OF FIBER REINFORCED CONCRETE 

      Autor: Trejbal, Jan; Nežerka, Václav; Hlůžek, Radim; Prošek, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2019)
      Fiber reinforced concrete mechanical properties are limited due to low adhesion between polymer fibers and cement matrix. To ensure a strong interaction between the two materials, polypropylene fibers (d = 0.305mm) were ...

    • Mechanical properties of basalt: a study on compressive loading at different strain rates using SHPB 

      Autor: Falta, Jan; Krčmářová, Nela; Fíla, Tomáš; Vavro, Martin; Vavro, Leona
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2023)
      This article focuses on the mechanical properties of basalt in compressive loading at different strain-rates. The study employs advanced instrumentation for the evaluation of the results in dynamic conditions, while standard ...

    • MECHANICAL PROPERTIES OF CEMENT COMPOSITE CONTAINING RECYCLED CONCRETE AND ALKALI ACTIVATED BLAST FURNACE SLAG 

      Autor: Horych, Jan; Tesárek, Pavel; Prošek, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Recycling of materials is very popular and very important in these days. Finding the new ways to process and use these materials is a key to get rid of a lot of construction waste. The amount of landfilling needs to be ...

    • Mechanical properties of cold-formed stainless steel 

      Autor: Mařík Jan; Vedoucí práce: Jandera Michal; Oponent práce: Křívý Vít
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2017-11-10)
      Korozivzdorná ocel je specifický materiál, který se svým chováním liší od uhlíkové oceli, což vyžaduje odlišný přístup při navrhování stavebních konstrukcí. Jedním z hlavních znaků všech korozivzdorných ocelí, který doposud ...

    • 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 ...

    • MECHANICAL PROPERTIES OF Cr-DLC LAYERS PREPARED BY HYBRID LASER TECHNOLOGY 

      Autor: Písařík, Petr; Jelínek, Miroslav; Remsa, Jan; Tolde, Zdeněk
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2017)
      Diamond like carbon (DLC) layers have excellent biological properties for use in medicine for coating implants, but poor adhesion to biomedical alloys. The adhesion can be improved by doping the DLC layer by chromium, as ...

    • MECHANICAL PROPERTIES OF FORGED TUNGSTEN HEAVY ALLOYS 

      Autor: Kovářík, Ondřej; Čech, Jaroslav; Čapek, Jiří; Hajíček, Michal; Klečka, Jakub; Siegl, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2020)
      Tungsten heavy alloys are composite materials containing spherical tungsten particles embedded in binder matrix. Their excellent mechanical properties can be further improved by rotary forging. This paper aims to gain ...

    • MECHANICAL PROPERTIES OF HARD COATINGS 

      Autor: Vilémová Monika; Vedoucí práce: Siegl Jan; Oponent práce: Švejcar Jiří
      (České vysoké učení technické v Praze. Vypočetní a informační centrum., 2012-10-04)
      MECHANICAL PROPERTIES OF HARD COATINGS

    • MECHANICAL PROPERTIES OF PVA NANOFIBER TEXTILES WITH INCORPORATED NANODIAMONDS, COPPER AND SILVER IONS 

      Autor: Indrová , Kateřina; Prošek , Zdeněk; Topič , Jaroslav; Ryparová , Pavla; Nežerka , Václav; Tesárek , Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2015)
      The unique properties of nanotextiles based on poly(vinyl-alcohol) (PVA) manufactured using electrospinning method have been known and exploited for many years. Recently, the enrichment of nanofiber textiles with nanoparticles, ...

    • 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 ...

    • Mechanical Propertires of Perivascular Adipose Tissue and its Effect on Biomechanics of Abdominal Aorta 

      Autor: Tereza Gerdová; Vedoucí práce: Horný Lukáš; Oponent práce: Burša Jiří
      (České vysoké učení technické v Praze. Vypočetní a informační centrum.Czech Technical University in Prague. Computing and Information Centre., 2021-04-01)
      The dissertation thesis aims to show that perivascular adipose tissue may significantly change the mechanical state of the abdominal aorta. To this end, uniaxial tensile tests with perivascular fat tissue were carried out. ...