Now showing items 1-15 of 15

  • Asphalt mixtures with a high amount of RAP – case study 

    Koudelka, Tomáš; Varaus, Michal (IOP Publishing, 2017-11-15)
    A case study of one trial section in the Pilsen region is presented. The pavement in the section was newly constructed in 2015 using one type of an asphalt concrete mixtures with varying RAP content. The constructed surface ...
  • Automatic Vehicle Trajectory Extraction For Traffic Analysis From Aerial Video Data 

    Apeltauer, Jiří; Herman, David; Babinec, Adam; Apeltauer, Tomáš (International Society of Photogrammetry and Remote Sensing, 2015-03-25)
    This paper presents a new approach to simultaneous detection and tracking of vehicles moving through an intersection in aerial images acquired by an unmanned aerial vehicle (UAV). Detailed analysis of spatial and temporal ...
  • Comparison of Unbound Granular Materials’ Resilient Moduli Determined by Cyclic Triaxial Test and Innovative FWD Device 

    Stehlík, Dušan; Hýzl, Petr; Dašek, Ondřej; Mališ, Luděk; Kaděrka, Robert; Komenda, Radek; Sachr, Jiří; Veselý, Petr; Spies, Karel; Varaus, Michal (MDPI, 2022-06-02)
    Our study summarizes findings from a long-term monitoring of pavement on selected road sections with lower traffic intensity. The research involved the comparison of resilient moduli as a design parameter of unbound pavement ...
  • Dynamic Impact Modeling as a Road Transport Crisis Management Support Tool 

    Řehák, David; Radimský, Michal; Hromada, Martin; Dvořák, Zdeněk (MDPI AG, 2019-03-28)
    Crisis management must provide data to allow for real-time decision-making. Accurate data is especially needed to minimize the risk of critical infrastructure failure. Research into the possible impacts of critical ...
  • The Effect of Compaction Degree and Binder Content on Performance Properties of Asphalt Mixtures 

    Hýzl, Petr; Dašek, Ondřej; Varaus, Michal; Stehlík, Dušan; Coufalík, Pavel; Dašková, Jaroslava; Coufalíková, Iva; Nekulová, Pavla (Vilnius Gediminas Technical University, 2016-09-16)
    The effect of compaction degree and binder content on performance properties of asphalt mixtures of an asphalt concrete type for wearing and binder courses are described in the paper. Measurements of stiffness modulus by ...
  • Issues of using Longer Heavier Vehicles on Roads 

    Matuszková, Radka; Heczko, Michal; Čepil, Jiří; Radimský, Michal (IOP Publishing, 2018-04-13)
    Many logistics companies aim to save on freight costs. Recently, not only on Czech roads and on motorways, longer and heavier vehicles that exceed dimensions' limits appeared. For these vehicles, it is necessary to apply ...
  • Modernisation of Regional Roads Evaluated Using Ex-Post CBA 

    Halámek, Petr; Matuszková, Radka; Radimský, Michal (MDPI, 2021-02-08)
    The aim of this evaluation is to verify the telling value of the Cost and Benefits Analysis (CBA) of regional roads modernisation based on an ex-post evaluation of the investments and their impacts on the incidence of ...
  • Performance Characteristics of the Open-Graded Asphalt Concrete Filled with a Special Cement Grout 

    Čiháčková, Pavlína; Hýzl, Petr; Stehlík, Dušan; Dašek, Ondřej; Šernas, Ovidijus; Vaitkus, Audrius (Vilnius Gediminas Technical University, 2015-12-14)
    This paper presents a performance of the open-graded asphalt concrete filled with a special cement grout in the road structures, introduces practical examples of the usage of this technology and defines the main properties. ...
  • Portable Telematic System as an Effective Traffic Flow Management in Workzones 

    Ščerba, Marek; Apeltauer, Tomáš; Apeltauer, Jiří (Transport and Telecommunication Institute, 2015-04-18)
    Traffic infrastructure localities with temporal restrictions for example due to reconstructions, or modernization, are important aspects influencing the traffic safety and traffic flow. On the basis of our research, we can ...
  • Rheological properties of mastic mortar depending on petrographic origin of filler particles 

    Dašek, Ondřej; Stoklásek, Svatopluk; Hýzl, Petr; Stehlík, Dušan (Growing Science Ltd., 2020-01-27)
    The aim of this work is to determine the basic rheological properties of mastic materials using a dynamic shear rheometer, in particular concentrating on the petrographic origin of the filler particles. 14 filler types ...
  • Urban Commuting and Daytime Population In Small Areas of a Metropolis: A Case Study of Brno, Czech Republic 

    Akkerman, Abraham; Kudrna, Jan; Apeltauer, Tomáš (University of Zagreb, Faculty of Transport and Traffic Sciences, 2009-06-18)
    A simplified modelling approach to urban commuting patterns is achieved by focusing on daytime populations ratherthan on commuters, or on the commuting process itself.
  • Usage of foamed bitumen in asphalt mixtures 

    Hýzl, Petr; Dašek, Ondřej; Stehlík, Dušan (Growing Science Ltd., 2020-05-08)
    This paper focuses on the application of foamed bitumen technology in the production of asphalt mixtures. This technology replaces the common asphalt binder with foamed bitumen for production of asphalt mixtures. Given the ...
  • Usage of Reclaimed Asphalt Material in Stone Mastic Asphalt 

    Hýzl, Petr; Dašek, Ondřej; Coufalíková, Iva; Varaus, Michal; Stehlík, Dušan (Hindawi, 2019-08-04)
    The paper focuses on the issue of using reclaimed asphalt in asphalt mixtures used for highly traffic-loaded asphalt pavements - in asphalt mixtures of the stone mastic asphalt (SMA) type. It is a skeleton-type mixture, ...
  • Validation of Microscopic Traffic Models Based on GPS Precise Measurement of Vehicle Dynamics 

    Apeltauer, Tomáš; Macur, Jiří; Holcner, Petr; Radimský, Michal (University of Zagreb, Faculty of Transport and Traffic Sciences, 2013-03-13)
    In this article we discuss validation of selected microscopic traffic models, based on the comparison of simulated vehicle dynamics with observed dynamic characteristics of vehicles recorded by the precise geodetic GPS equipment.
  • Verification and validation of a numerical model of fire and smoke development in a railway tunnel 

    Cábová, Kamila; Apeltauer, Jiří; Wald, František (Czech Technical University, 2016-01-01)
    The paper describes the verification and validation of a numerical model of the development of fire and smoke in a railway tunnel carried out in the Fire Dynamic Simulator numerical code. To evaluate the correctness of a ...