Prohlížení Acta Polytechnica CTU Proceedings. 2022 ( vol. 32-39) dle názvu
Zobrazují se záznamy 73-92 z 290
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Decision-support tool for prioritizing retrofitting actions on Social Housing stock in Italy
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Housing is the main environmental impact generator (62 %) of the whole building sector, but it also has the greatest reduction potential. Enhancing its performance is thus crucial to sustainable development. Social Housing ... -
Degradation of Cr-coated cladding under the simulated Loss-of-Coolant Accident phenomena
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The present study focuses on the evaluation of the mechanical properties degradation of Cr-coated Zr-alloy fuel cladding. The main objective of the work is to find a suitable methodology to evaluate the mechanical properties ... -
Densification of single and two-family houses considering green space and mobility
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The question of future energy-efficient creation of living space is becoming more and more important in many cities due to limited space availability and simultaneously increasing settlement pressure. Against the background ... -
Detection of the presence of microorganisms during production of plasterboard
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The article introduces possibility how to use special material from plasterboard back to the production of plasterboards. The recycled material was prepared from standard plasterboards KNAUF WHITE (it means plasterboard ... -
Determination of in-situ concrete compressive strength under consideration of rearrangement effects
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)For the design of existing structures the concrete compressive strength and the derived mechanical parameters are of central importance. Due to safety reasons the compressive strength of existing concrete is usually set ... -
Determination of radionuclide impurities in pure beta radiation sources by semiconductor spectrometry
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)In many applications, the radionuclidic purity of a radioactive substance is a crucial property. It involves, for example, the production of radiopharmaceuticals or reference standards used in metrology. However, the ... -
Determination of water absorption coefficient of unfired earth materials different in used clay and ratio of components
(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 ... -
Development of a realistic scenario for the thermal energy demand of residential buildings in Bavaria till 2050
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)To achieve the climate protection goals, enormous efforts must be undertaken in all sectors: households, industry, commerce, and transport. Following a straightforward approach, the political objectives foresee, that in ... -
Development of conformity criteria for durability and its influence on service life predictions
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)To ensure the quality of produced concrete batches, it is often verified whether a specified concrete compressive strength is reached by the application of conformity control. The conformity criteria used for this purpose ... -
Development of scientific requirements for climate-neutral buildings and sustainable funding schemes in Germany
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The German Climate Protection Plan 2050 describes interim targets and measures for the implementation of the Paris Climate Agreement, including the building sector. With the “New European Bauhaus”, the EU Commission has ... -
Digital Track Map for the VEXA expert system
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)This paper aims to summarize possible solutions of a Digital Track Map proposal, designed to become a data source for the VEXA decision-making system. The VEXA project is carried out in cooperation of the Department of ... -
Digitalising cities: A methodology to map evaluation requirements into robust and feasible data collection approaches
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The sustainable development of cities relies on the implementation of multi-sectoral actions towards carbon neutrality, reducing the air pollutants emissions. The actions' decision-making process for cities transformation ... -
Dowels effectiveness investigation between ultra high performance fiber reinforced concrete and reinforced concrete
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)In the present study, the performance of Reinforced Concrete (RC) beams which were strengthened with Ultra High Performance Fiber Reinforced Concrete (UHPFRC) and dowels at the interface was investigated. RC beams with a ... -
Durability evaluation of surface softened steel bar for prestressed concrete
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The effects of Si addition and surface softening on delayed fracture susceptibility were evaluated in tempered martensitic steels with tensile strength of 1450 MPa. The delayed fracture susceptibility was reduced when Si ... -
Durability of GFRP connectors under sustained compression load for use in sandwich walls
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Precast concrete sandwich panels are used to fulfil the rising thermal requirements. The sandwich walls consist of three layers, a facing, a thermal insulation layer, and a load bearing layer. The two outer layers are ... -
Durability of high belite cement as new technical solution for concrete
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The study presents an investigation on the durability performance of concretes produced with an industrial scale high belite cement. This binder, thanks to the high amount of C-S-H gel and the lower C3S/C2S ratio, is ... -
Durability of latent heat storage systems
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Latent heat storage represents technology with significantly higher energy storage density. The thermal energy storage capacity of building structures and storage units integrated into building services contribute to the ... -
Dynamic tests of the culvert face within crashtests
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Severity of a vehicle impact into solid obstacles alongside the road can be annually illustrated through accident statistics. One example of such solid obstacles is drainage ditch culvert faces. Within the research ... -
Dynamics of apartment building renovation investment costs based on Estonian reovation grant scheme
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)While energy prices have increased substantially recently, we also observe that renovation prices have increased twofold wihtin last decade. This could seriously affect the motivation to invest in building renovations ... -
ECOPOOL+++: Developing a sustainable outdoor heated swimming pool
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The University of Algarve, in consortium with “Cristal Construções – Materiais e Obras de Construção Civil”, “Itelmatis Control Systems” and “Itecons – Instituto de Investigação e Desenvolvimento Tecnológico para a Construção, ...