Search results for: LEUTNER SHEAR TEST - Bridge of Knowledge

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Search results for: LEUTNER SHEAR TEST

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Search results for: LEUTNER SHEAR TEST

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Search results for: LEUTNER SHEAR TEST

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Search results for: LEUTNER SHEAR TEST

  • Shear band evolution phenomena in direct shear test modelled with DEM.

    Publication

    A direct shear test is widely used in the geotechnical engineering field. It is an easy and quick test to measure the shear properties of soil. This test often replaces more expensive and difficult tri-axial shear test. Despite that the direct shear test is known and used for a long time, it is still not well investigated at the grain scale. This paper deals with the micro behaviour of the cohesionless sand inside the direct shear...

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  • FE-simulations of a direct and a true simple shear test

    Publication

    Porównano dwa aparaty ścinania: aparat bezpośredniego ścinania i aparat prostego ścinania. Analizy pola naprężeń i odkształceń dokonano stosując metodę elementów skończonych i mikropolarne prawo hypoplastyczne. Analiza ta pokazała, że pole naprężeń i odkształceń jest niejednorodne w obu aparatach, szczególnie w aparacie bezpośredniego ścinania.

  • FE-simulations of a direct wall shear box test.

    Publication

    - Year 2004

    W artykule przedstawiono wyniki numerycznej anlizy lokalizacji odkształceń stycznych w materiałach granulowanych podczas bezposredniego ścinania przy ścianie. Obliczenia przeprowadzono z mikropolarnym modelem hipoplastycznym. Obliczenia wykonano w płaskim stanie odkształcenia stosując metodę elementów skończonych. Wyniki numeryczne porównano z wynikami doświadczalnymi.

  • Design of poroelastic wearing course with the use of direct shear test

    Publication

    Poroelastic Road Surfaces (PERS) are characterized by porous structure with at least 20% of air void content and stiffness almost 10 times lower than typical asphalt course. Such properties enable noise reduction up to 12 dB in comparison to SMA 11 mixture. However, the main disadvantage of previously used poroelastic mixtures, based on resin type binders, was their low durability, which resulted in raveling and delamination from...

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  • Development and application of asphalt binder relaxation test in different dynamic shear rheometers

    Publication
    • J. Büchner
    • D. Ryś
    • S. Trifunović
    • M. P. Wistuba

    - CONSTRUCTION AND BUILDING MATERIALS - Year 2023

    In this study, a novel relaxation test is proposed to evaluate asphalt binder low temperature properties using a Dynamic Shear Rheometer (DSR) with parallel plates of 4 mm in diameter. Three rheometers from three different manufacturers are used to analyze seven asphalt binders. Different material parameters are derived which are useful to evaluate and discriminate different asphalt binders. Test results of all three instruments...

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