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Wyszukujesz frazę "displacement pile group" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Analyses of soil-structure interaction based on vertical load tests of displacement piles
    Autorzy:
    Martinkus, V.
    Norkus, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/298227.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie
    Tematy:
    soil-structure interaction
    displacement pile group
    frame
    suport
    cohesionless soil
    Opis:
    The current paper presents a research based on experimental and numerical analysis of three different frame supported by displacement pile groups embedded in sand. The vertical load tests performed under lab conditions have shown different responses of single piles installed at the same pile group, and a densification effect was named as a key player taking the main roll in explaining this phenomenon. A numerical analysis based on experimental data revealed unfavourable changes on deformation and internal forces of three different frame types caused by densification phenomenon. Performed research has emphasised the significance of soil structure interaction analysis, especially when displacement pile groups embedded in sands are used.
    Źródło:
    Technical Sciences / University of Warmia and Mazury in Olsztyn; 2015, 18(4); 261-270
    1505-4675
    2083-4527
    Pojawia się w:
    Technical Sciences / University of Warmia and Mazury in Olsztyn
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pile model tests using strain gauge technology
    Autorzy:
    Krasiński, A.
    Kusio, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/178927.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    screw displacement pile
    CFA piles
    deep foundation
    model tests
    group of piles
    Opis:
    Ordinary pile bearing capacity tests are usually carried out to determine the relationship between load and displacement of pile head. The measurement system required in such tests consists of force transducer and three or four displacement gauges. The whole system is installed at the pile head above the ground level. This approach, however, does not give us complete information about the pile–soil interaction. We can only determine the total bearing capacity of the pile, without the knowledge of its distribution into the shaft and base resistances. Much more information can be obtained by carrying out a test of instrumented pile equipped with a system for measuring the distribution of axial force along its core. In the case of pile model tests the use of such measurement is difficult due to small scale of the model. To find a suitable solution for axial force measurement, which could be applied to small scale model piles, we had to take into account the following requirements: – a linear and stable relationship between measured and physical values, – the force measurement accuracy of about 0.1 kN, – the range of measured forces up to 30 kN, – resistance of measuring gauges against aggressive counteraction of concrete mortar and against moisture, – insensitivity to pile bending, – economical factor. These requirements can be fulfilled by strain gauge sensors if an appropriate methodology is used for test preparation (Hoffmann [1]). In this paper, we focus on some aspects of the application of strain gauge sensors for model pile tests. The efficiency of the method is proved on the examples of static load tests carried out on SDP model piles acting as single piles and in a group.
    Źródło:
    Studia Geotechnica et Mechanica; 2015, 37, 3; 49-52
    0137-6365
    2083-831X
    Pojawia się w:
    Studia Geotechnica et Mechanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative model tests of SDP and CFA pile groups in non-cohesive soil
    Autorzy:
    Krasiński, A.
    Kusio, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/178182.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    CFA piles
    screw displacement pile
    deep foundation
    model tests
    group of piles
    Opis:
    The research topic relates to the subject of deep foundations supported on continuous flight auger (CFA) piles and screw displacement piles (SDP). The authors have decided to conduct model tests of foundations supported on the group of piles mentioned above and also the tests of the same piles working as a single. The tests are ongoing in Geotechnical Laboratory of Gdańsk University of Technology. The description of test procedure, interpretation and analysis of the preliminary testing series results are presented in the paper.
    Źródło:
    Studia Geotechnica et Mechanica; 2014, 36, 4; 7-11
    0137-6365
    2083-831X
    Pojawia się w:
    Studia Geotechnica et Mechanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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