Dawid Ryś - Publications - Bridge of Knowledge

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dr hab. inż. Dawid Ryś

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Year 2024
Year 2023
Year 2022
  • Contribution of dynamic vehicle loads to pavement failure
    Publication

    - Year 2022

    Pavement surfaces are not ideally even, which causes dynamic loads of vehicle axles. Distribution of dynamic loads of a given axle is similar to normal distribution and can be described by static load and dynamic load coefficient. The dynamic load coefficient depends on road profile, vehicle speed, properties of suspensions and static load of axle. While for a given road section road profile remains constant, vehicle speed and...

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  • Field Evaluation of High Modulus Asphalt Concrete Resistance to Low-Temperature Cracking
    Publication

    High-modulus asphalt concrete has numerous advantages in comparison to conventional asphalt concrete, including increased resistance to permanent deformations and increased pavement fatigue life. However, previous studies have shown that the construction of road pavements with High Modulus Asphalt Concrete (HMAC) may significantly increase the risk of low-temperature cracking. Those observations were the motivation for the research...

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  • Laboratory fatigue assessment of large geocomposite-reinforced double-layered asphalt concrete beams
    Publication

    - Year 2022

    Geosynthetic reinforcement of asphalt layers has been used for several decades. Evaluation of the influence of these materials on pavement fatigue life is still ongoing, especially for new types of geocomposites. This paper presents the evaluation of fatigue performance of large asphalt concrete beams reinforced with a new type of composite in which square or hex­agonal polypropylene stiff monolithic paving grid with integral junctions...

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  • Study on the accuracy of axle load spectra used for pavement design
    Publication

    Weigh-in-Motion (WIM) systems are used in order to reduce the number of overloaded vehicles. Data collected from WIM provide characteristics of vehicle axle loads that are crucial for pavement design as well as for the development of pavement distress prediction models. The inaccuracy of WIM data lead to erroneous estimation of traffic loads and in consequence inaccurate prediction of pavement distress process. The objective of...

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  • The innovative approach for using pavement as a fire prevention measure in tunnels
    Publication

    The paper consists of two main parts: first presents study regarding the typically used pavement structures in tunnels and the second part: the first fire trials of the poroelastic SEPOR (Safe, Eco-friendly POroelastic Road Surface) mixture which was designed to be used among other uses in tunnels. In the first part of the paper different pavement materials, such as cement concrete, asphalt concrete, stone mastic asphalt and porous...

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