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Wyszukujesz frazę "floor impact sound" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Effect of Urethane Foam Cushioning on Structure-Borne Sound Transfer by a Slab with Panel Flooring
    Autorzy:
    Mu, R.
    Toyoda, M.
    Takahashi, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/176817.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    urethane foam
    direct pasted flooring
    floor impact sound
    sound pressure level
    sound insulation performance
    Opis:
    Urethane foam mattresses are commonly used as cushioning when placing panel flooring on the floor slab of a building. Urethane foam consists of elastic fibres with pores. Both elements can affect the performance of the insulation against impact sounds. However, these effects have not yet been detailed, and they may change if the material properties or constitution of the fibres and pores in the cushioning change. In this paper, we propose an analytical model for use in evaluating the performance of insulation against floor impact sound. This model was used to examine the contribution of the pores versus the elastic fibres to wave transmissions from the flooring surface to the slab. The results reveal that the constitution of the foam (either open or closed cells of pores) and the thickness and hardness of the cushion layer strongly affect the sound insulation performance of the floor.
    Źródło:
    Archives of Acoustics; 2016, 41, 1; 99-106
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study on Sound Transmission across a Floating Floor in a Residential Building by Using SEA
    Autorzy:
    Huang, Xianfeng
    Lu, Yimin
    Qu, Chen
    Zhu, Chenhui
    Powiązania:
    https://bibliotekanauki.pl/articles/1953500.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    sound transmission
    floating floor
    impact noise
    sound insulation
    Opis:
    For the purpose of reducing the impact noise transmission across floating floors in residential buildings, two main sound transmission paths in the floating floor structure are considered: the stud path and the cavity path. The sound transmission of each path is analysed separately: the sound transmission through the cavity and the stud are predicted by statistical energy analysis (SEA). Then, the sound insulation prediction model of the floating floor is established. There is reasonable agreement between the theoretical prediction and measurement, and the results show that a resilient layer with low stiffness can attenuate the sound bridge effect, resulting in higher impact noise insulation. Then, the influences of the floor covering, the resilient layer and the floor plate on the impact sound insulation are investigated to achieve the optimised structure of the floating floor based on the sound insulation.
    Źródło:
    Archives of Acoustics; 2021, 46, 1; 183-194
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lightweight floor screed with increased impact sound reduction
    Autorzy:
    Pilch, Adam
    Duda, Piotr
    Rubacha, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/24201976.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Poznańska. Instytut Mechaniki Stosowanej
    Tematy:
    impact sound reduction
    lightweight floor screed
    redukcja dźwięków uderzeniowych
    lekka wylewka podłogowa
    Opis:
    Increasing users’ requirements force to provide better and better solutions for reducing impact sounds. A lightweight floor screed can be a favorable solution for existing buildings with limited ceiling load capacity, where typical highly effective floating floors are too heavy to be used. In the paper further development of the impact sound reduction measurement method for small lightweight floor screed samples is presented. In order to protect the top layer of the sample from the hammers of the tapping machine, a thin concrete layer was coupled with the sample. What is more, a thin layer of sand below the sample was tested in order to improve the connection between the sample and the concrete floor. Based on obtained results, the concrete top layer and the sand bottom layer reduce slightly the effectiveness of the screed but decrease the uncertainty of the results significantly.
    Źródło:
    Vibrations in Physical Systems; 2023, 34, 1; art. no. 2023103
    0860-6897
    Pojawia się w:
    Vibrations in Physical Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact sound reduction measurement method for lightweight floor screed
    Autorzy:
    Pilch, Adam
    Duda, Piotr
    Rubacha, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/2146646.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Poznańska. Instytut Mechaniki Stosowanej
    Tematy:
    lightweight floor screed
    tapping machine
    vibration
    impact sound reduction
    lekka wylewka podłogowa
    gwinciarka
    drgania
    redukcja dźwięków uderzeniowych
    Opis:
    Development and implementation of a new product in the form of a lightweight screed with high impact sound reduction require a lot of measurements of different aggregates of lightweight elements and filling. The manufacturing process influences the final parameters of the solutions as well. This is why a method was developed, that allowed a comparison of many different samples within one measurement session. The measured samples must therefore be small and easy to move. In the paper, various possibilities of impact sound reduction measurements were analyzed being different variants of the normative methods and those existing in the literature on the subject. Based on the obtained results, it was shown that for lightweight floor screeds, sound pressure level measurement is more reliable than vibration acceleration measurements. The top vinyl layer used between the tapping machine and the sample did not influence the results significantly and protected the sample from being distorted by the tapping machine hammers.
    Źródło:
    Vibrations in Physical Systems; 2021, 32, 1; art. no. 2021114
    0860-6897
    Pojawia się w:
    Vibrations in Physical Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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