• Dowel bars – reinforcing elements of cement concrete pavements 

  Autor: Bedřich, Stanislav; Grošek, Jiří
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Our aim is to analyze the function of reinforcement elements (dowel bars) in cement concrete pavement to highlight the influence of these elements on the service life of the pavement as a whole and to find possible ...

• Effect of preparation process on purity of tricalcium aluminate 

  Autor: Ravaszová, Simona; Dvořák, Karel; Jančíková, Andrea
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  In the realm of cement production, traditional fuels are steadily giving way to alternative sources. While this shift yields economic and ecological advantages, it introduces notable technological challenges. Specifically, ...

• Possibilities of replacing natural sand in concrete 

  Autor: Fořtová, Kristina; Pavlů, Tereza; Mariaková, Diana; Řepka, Jakub; Vlach, Tomáš
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  This study explores the potential of using fine recycled aggregate (FRA) to replace natural sand in concrete production. The research was divided into two parts. In the first part, natural aggregate’s complete fine fraction ...

• Characteristics of fibres based on secondary raw materials and their use in concrete technology 

  Autor: Sedlmajer, Martin; Bubeník, Jan; Zach, Jiří; Novák, Vítězslav
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Different types of fibres in cementitious composites, particularly in concrete, are currently used for a number of reasons. Fibres are being added to improve mechanical properties (especially steel and glass fibres), to ...

• Concrete mixtures with photovoltaic panels glass: a review of the situation in Czech Republic 

  Autor: Mariaková, Diana; Fořtová, Kristina; Černý, Stanislav; Pavlů, Tereza
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Solar energy production was initiated in the 1990s following by rapid increase of the use of photovoltaic (PV) technology. Most of older solar panels in the Czech Republic were installed between 2000 and 2006 and a global ...

• Preparation of light fraction silicate filer after the mining for the base layers’ road construction 

  Autor: Jančíková, Andrea; Dvořák, Karel; Ravaszová, Simona
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The article main objective was eco-innovation in the field of utilization and creation of a complex waste-free technology for the separation of components during ore extraction with subsequent processing, recovery of mine ...

• Parameters of back filling material prepared from mine tailing, fly ash, and mine water 

  Autor: Dvořák, Karel; Jančíková, Andrea
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The article investigates the influence of mine tailing, fly ash, and mine water on strength parameters as mine paste filling material performing the strength tests on different recipes of mortar mixes with individual types ...

• Analysis of concrete taken from a loaded column by determining the modulus of elasticity 

  Autor: Hrabová, Kristýna; Cikrle, Petr; Olejková, Sabina; Kocáb, Dalibor
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Sustainability places an emphasis on preserving and using existing structures, particularly those that are historically or artistically valuable. The preservation of buildings is closely related to a good assessment of ...

• Cementitious material development for additive fabrication 

  Autor: Čítek, David; Hurtig, Karel; Bureš, Vladislav; Koteš, Peter
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  For the 3D STAR project and 3D printing purposes, a special fine-grained cement mixture from locally available raw materials was developed. The reason for the development of the custom mixture was the possibility of arbitrary ...

• Utilization of high fly ash dosage to reduce cement consumption in concrete formulations 

  Autor: Davidová, Vendula; David, Tomáš; Reiterman, Pavel
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The concrete production is responsible for high proportion of total carbon dioxide emission due to enormous consumption of Portland cement. This traditional binder system is due to high autogenous emission during calcination ...

• Verification of material characteristic of natural fibers for concrete reinforcement 

  Autor: Hájek, Jakub; Vlach, Tomáš; Řepka, Jakub; Žďára, Vladimír
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The topic of the article is the verification of the tensile mechanical characteristics of selected natural fibres commonly available on the Czech market. Due to their high tensile strengths, some natural materials have a ...

• Processing and recycling of aggregate residues after ore extraction for stabilization of mined areas 

  Autor: Jančíková, Andrea; Dvořák, Karel; Ravaszová, Simona
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The article focuses on the treatment and recycling of aggregate. It also addresses the issue of treatments effects on mine tailings, fly ash and acid mine water on the measured parameters of concrete with load-bearing and ...

• Analysis of the effect of hydration heat resulting in the formation of cracks on the experimental block of the spillway at Orlik reservoir 

  Autor: Potůčková, Simona; Holý, Milan; Kolísko, Jiří
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  This article concentrates on the numerical analysis of hydration heat resulting in formation of cracks on the experimental block of the spillway at Orlik Reservoir and its verification with the experimental measurement. ...

• Possibilities of reinforcement of subtle translucent concrete panel 

  Autor: Kabíčková, Věra; Hájek, Jakub; Vlach, Tomáš; Řepka, Jakub
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Textile-reinforced concrete not only has many advantages that lead to less consumption of primary resources, but also enables the creation of thin and subtle elements. The high performance of such elements allows us to ...

• Monitoring degradation in alkaline-activated slag materials 

  Autor: Mahmoud, Houssam; Topolář, Libor; Plšková, Iveta; Jakubka, Luboš; Pazdera, Luboš
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  This paper deals with determining degradation changes in alkaline-activated slag-based building materials. It describes methods for determining dynamic elastic moduli obtained by acoustic non-destructive methods, including ...

• Development of hydration temperatures on cement pastes 

  Autor: Meruňka, Milan; Šperling, Petr; Hela, Rudolf
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  This article deals with the possible combination of high temperature fly ash with fluidised bed fly ash. The main objective of the experiment is to verify the effect of the combination of these two energy by-products on ...

• Production of concrete pavements using mixed cements 

  Autor: Klobása, Jan; Hela, Rudolf
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  Currently, great importance is attached to the reduction of emissions in industrial production, especially in the production of cement, when it is indicated that during production 1 ton of cement produces approximately 0.6 ...

• Structural health monitoring of construction 

  Autor: Niedoba, Jakub
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The paper is concerned with the possibilities of long-term monitoring of constructions using modern wireless sensors and systems. There are currently many constructions under long-term monitoring performed by modern sensors. ...

• Concrete and reliability of existing prestressed bridge structures 

  Autor: Mezera, Aleš; Holý, Milan; Sýkora, Miroslav
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  A large number of post-tensioned concrete bridges were built in the second half of the last century. They have often been insufficiently maintained during their lifetime (usually around 50 years). Nowadays, these structures ...

• The application of UHPC on the monolithic part of the Štvanice footbridge 

  Autor: Davidová, Vendula; David, Tomáš; Reiterman, Pavel; Šmilauer, Vít
  (České vysoké učení technické v PrazeCzech Technical University in Prague, 2024)

  The use of UHPC with fibers is becoming an increasingly common topic in the world. This material is used for its superior mechanical and physical properties and long service life. However, the production cost is high, hence ...

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