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Procházení Ústav technologie stavebních hmot a dílců dle data publikování

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  • Verification of the Possibility of Solidification Product Made of Neutralization Sludge use in the Building Industry 

    Dohnálková, Božena; Drochytka, Rostislav; Černý, Vít (Elsevier, 2013-05-16)
    This paper deals with hazardous waste solidification /stabilisation, specifically neutralization sludge that comes from active industrial sources and neutralization sludge that comes from old ecological sources. As ...
  • The mechanical activation of fly ash 

    Hela, Rudolf; Jančaříková, Denisa (Elsevier, 2013-09-03)
    One of the main options in looking for the new building materials is using of wastes from an industry as a replacement of the existing ingredient. This way is used in the concrete production too. Basic effort is to find a ...
  • Technology of concrete with low generation of hydration heat 

    Zach, Jiří; Sedlmajer, Martin; Peterková, Jitka; Nevařil, Aleš (Elsevier, 2013-10-23)
    Modern technology of concrete includes a comprehensive elaboration of proposal related to concrete composition depending on the required parameters of fresh and hardened concrete. One of the fields related to the technologies ...
  • Determine the Compressive Strength of Calcium Silicate Bricks by Combined Non-Destructive Method 

    Brožovský, Jiří (Hindawi, 2014-09-01)
    The paper deals with the application of combined non-destructive method for assessment of compressive strength of calcium silicate bricks. In this case it is a combination of the rebound hammer method and ultrasonic pulse ...
  • Testing of Action of Direct Flame on Concrete 

    Bodnárová, Lenka; Válek, Jaroslav; Novosad, Petr (Hindawi, 2015-01-22)
    The paper states results of experimental exposition of concrete test specimens to direct flame. Concrete test specimens made from various mixtures differing in the type of aggregate, binder, dispersed reinforcement, and ...
  • Development of grout for additional seal embankment dams 

    Michalčíková, Magdaléna; Černý, Vít; Drochytka, Rostislav (Elsevier, 2015-06-25)
    The technology of sealing sand and gravel by chemical injection has been known and used for a long time. Chemical grouting is however expensive and sometimes the use of cement does not lead to the desired effect. That is ...
  • Solidification of Hazardous Waste with the Aim of Material Utilization of Solidification Products 

    Hodul, Jakub; Dohnálková, Božena; Drochytka, Rostislav (Elsevier, 2015-07-09)
    This work deals with the possibility of using solidification technology to transform the hazardous waste with the aim to achieve the material utilization of solidification products. For this purpose, it is necessary to ...
  • Development of microstructure of the fly ash aerated concrete in time 

    Drochytka, Rostislav; Helanová, Ester (Elsevier, 2015-07-09)
    Calciumhydrosilicate components formed during autoclaving process are highly complex formations, which often blend together mutually and form a variety of intermediate products, from completely amorphous, to the good ...
  • Technology of Remediation of Embankment Dams by Optimal Grout 

    Michalčíková, Magdaléna; Drochytka, Rostislav; Černý, Vít (Elsevier, 2016-05-31)
    Floods represent one of the greatest direct dangers of natural disasters in Europe. During floods, substantial material damage and often even losses of human life may occur. In the Czech Republic both of these were recorded ...
  • Carbon Nanotubes in Cementitious Composites: Dispersion, Implementation, and Influence on Mechanical Characteristics 

    Jarolím, Tomáš; Labaj, Martin; Hela, Rudolf; Michnová, Kamila (Hindawi, 2016-06-14)
    In article were descibed possibilities of CNT's dipersion. Implementation CNT to the cements matrix and it's influence to the mechanical properties
  • Thermodynamic Stability of Ettringite Formed by Hydration of Ye’elimite Clinker 

    Fridrichová, Marcela; Dvořák, Karel; Gazdič, Dominik; Pekárková, Jana; Kulísek, Karel (Hindawi Publishing Corporation, 2016-09-08)
    Although the stability of ettringite has been the subject of much research, the solution is not yet fully clear. Ettringite is generally considered to be stable up to a temperature of 110°C; however, some investigators ...
  • The FBC ash as a hydraulic ingredient of hydraulic lime 

    Dvořák, Karel; Kulísek, Karel; Gazdič, Dominik (Elsevier, 2017-01-31)
    This work is focused on the possibilities of utilization of ashes from fluidized bed combustion, i.e. FBC ashes, for the manufacturing of hydraulic lime. Alternative hydraulic binders are becoming very popular in the present ...
  • Behaviour of cement composites with lightweight and heavyweight aggregates at high temperatures 

    Bodnárová, Lenka; Peterková, Jitka; Brožovský, Jiří; Zach, Jiří; Válek, Jaroslav (Budapest University of Technology and Economics, 2017-03-24)
    This paper presents new results of the research of the influence of individual input components done on the behaviour of cement based composite materials exposed to high temperatures. A new approach of this research lies ...
  • The potential use of the FBC ash for the preparation of blended cements 

    Gazdič, Dominik; Fridrichová, Marcela; Kulísek, Karel; Vehovská, Ludmila (Elsevier, 2017-05-25)
    Ashes from fluidized bed combustion, i.e. FBC ashes, are not being practically used for the production of hydraulic binders. The problem is their chemical and mineralogical composition. FBC ashes are characterized by a ...
  • Composites Based on Alternative Raw Materials at High Temperature Conditions 

    Melichar, Tomáš; Bydžovský, Jiří; Dufka, Amos (Budapest University of Technology and Economics, 2017-10-24)
    This paper presents newly developed polymer-cement composites. The primary binder (cement) was partially substituted by use of blast-furnace slag and high-temperature fly ash. A lightweight aggregate – agloporite (grain ...
  • Alternative Evaluation of the grindability of Pozzolanic Materials for Cement Production 

    Dvořák, Karel; Dolák, Dušan (IOP Publishing, 2017-10-25)
    All conventional methods for the evaluation of grindability require a specific grinding instrument. These grinding instruments do not have any other practical use and thus are not very common. This paper focuses on the ...
  • The Effect of the Wear of Rotor Pins on Grinding Efficiency in a High-speed Disintegrator 

    Dvořák, Karel; Dolák, Dušan; Paloušek, David; Čelko, Ladislav; Jech, David (Kaunas University of Technology, 2018-02-19)
    One of the directions intensively investigated in the field of milling is high-energy milling (HEM). One type of HEM is high-speed grinding in high-speed disintegrators. This type of mill is particularly suitable for the ...
  • Variability in cement properties - influence on bleeding of cement paste 

    Jančaříková, Denisa; Hela, Rudolf; Netsvet, Daria Dmitrievna; Peřina, Tomáš (IOP Publishing, 2018-06-15)
    The aim of this study is to find relation between cement properties and tendency of cement paste (concrete) to bleeding. We tested 19 cement samples collected from different batches.
  • Optimization of heavy weight concrete composition and process of prefabrication for prefabricated shielding cladding tiles 

    Hela, Rudolf; Jančaříková, Denisa; Louda, Pavel; Jobánek, Jaromír (IOP Publishing, 2018-06-15)
    The aim of experimental research was to verify the possibility of the prefabrication of the thin shielding cladding tiles from heavy weight concrete with fine.
  • Development of Ultra High Performance Concrete and Reactive Powder Concrete with Nanosilica 

    Hela, Rudolf; Bodnárová, Lenka; Rundt, Lukáš (IOP Publishing, 2018-06-19)
    The article is dedicated to the design and production of Ultra High Performance Concrete (UHPC) and Reactive The article is dedicated to the design and production of Ultra High Performance Concrete (UHPC) and Reactive ...
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