Acta Polytechnica CTU Proceedings. 2022 ( vol. 32-39): Poslední příspěvky
Zobrazují se záznamy 101-120 z 290
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Implementation of positive energy district concepts and energy master plans for decarbonization of districts
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)In order to achieve a holistic approach to community energy planning for neighbourhoods and districts, it is crucial to provide planners, decision makers, and stakeholders with the necessary methods and instruments. However, ... -
Advanced modelling of concrete structures for improved sustainability
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The safe and long-term serviceability of concrete structures is one of the methods how to improve the sustainability of the concrete industry. This study presents a pilot application of an~integrated system for online ... -
Investigating the change in preference of living and transport during COVID-19
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The COVID-19 pandemic meant that people had to perform most of their daily activities from home. This study intends to investigate if a period of working from home has changed living preferences concerning housing size and ... -
A case study of implementing a renovation concept
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)There is an untapped potential for reducing GHG emissions by district renovation. It needs a detailed Energy Master Planning (EMP) of the district and support for the decision-making processes. If applied in a comprehensive ... -
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 ... -
Eye-tracking technology in automotive industry
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The research paper „Eye-tracking technology in automotive industry“ describes the implementation of eye-tracking technology into the development of new vehicles and their decision-making process. This objective technology ... -
Brain data and driver's attention during simulated drive
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The attention of drivers is a serious issue and one of the critical factors of road safety. The question is whether the electrical activity of the human brain can be correctly measured/collected and utilized to monitor and ... -
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 ... -
TRC sandwich solution for energy retrofitting
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Concerning energy improvement of existing façades, a favourable system involves prefabricated multilayer panels, made of internal insulation core and outer textile reinforced concrete layers. It is a convincing alternative ... -
Railway track deflection analysis by using evolutionary algorithms
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)In contrast to numerical methods, analytical modelling of the railway track is one of the less time-consuming and computationally demanding methods which, in combination with the computing power commonly available today, ... -
Construction 4.0 in the concept of the railway
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The digital and technological innovations that have been developing massively in recent years are often referred to as the 4th Industrial Revolution or Industry 4.0. The construction industry seems to be somewhat on the ... -
Energy flows along the production and use of secondary materials with a special focus on concrete
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Urban mining in the existing building stock can contribute to securing raw materials and conserving natural resources if the potential of recycling construction waste is consistently exploited. From an ecological point of ... -
Automatic extraction of 3d building meshes from LiDAR data
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Terrestrial laser scanning and drone-based scanning are often combined to gain a complete picture of the external envelopes of buildings. While the resulting data sets are easy to understand for humans, extracting any ... -
Adhesion test – testing of selected adhesives on fired clay
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The following paper deals with the comparison of adhesion of specimens made of fired clay and selected adhesives. The adhesion was tested on specimens at the age of one, two and three days in order to determine the parameters ... -
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 ... -
SUBSALS: a subchannel thermal-hydraulic code for IRT type fuel analysis
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The LVR-15 research reactor is operated with a tube type fuel IRT-4M. Due to fuel’s unique concentric square annular shape with, coolant flow is subject to significant pressure driven crossflow. Detailed calculation of ... -
Interfacial bond behavior of adhesively-bonded timber/cast in situ concrete (wet bond process)
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The goal of this research was to study the strength of the interfacial bond between cast-in-situ concrete and engineered timber (cross-laminated timber (CLT)). Double lap specimens were manufactured using fresh concrete ... -
THE BÍLINA TUNNEL – SELECTED GEOTECHNICAL ASPECTS OF A PROPOSED UNDERGROUND STRUCTURE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Every workday the city of Bílina, with the I/13 road running through it, suffers from traffic congestion. The road is designed as dual carriageway outside Bílina but only as a single carriageway inside the city. Three ... -
THE IMPORTANCE OF A COMBINED 3D MODEL OF GROUND AND GEOTECHNICAL STRUCTURE
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)The rapid progress of digitalisation in civil engineering is also happening in the branch of geotechnical engineering. BIM is a part of this process. The mutual connection of a 3D model of ground with a 3D model of ... -
CONSIDERATIONS FOR BRITTLENESS IN TAILINGS
(České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)Brittleness is an important geotechnical parameter of soils as it describes the degree of reduction of the soil shear resistance after reaching the peak strength. [1] described soil brittleness by means of a brittleness ...