Search results for: FATIGUE SIZE EFFECT - Bridge of Knowledge

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Search results for: FATIGUE SIZE EFFECT

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Search results for: FATIGUE SIZE EFFECT

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Search results for: FATIGUE SIZE EFFECT

  • Fatigue life prediction of notched components under size effect using strain energy reformulated critical distance theory

    Publication
    • Z. Shuai
    • S. Zhu
    • J. He
    • D. Liao
    • J. A. Correia
    • W. Macek
    • R. Branco
    • Q. Wang

    - INTERNATIONAL JOURNAL OF FATIGUE - Year 2023

    Notch and size effects show significant impact on the fatigue performance of engineering components, which deserves special attention. In this work, a strain energy reformulated critical distance theory was developed for fatigue life prediction of notched components under size effect. Experimental data of different notched specimens manufactured from GH4169, TC4, TC11 alloys and low carbon steel En3B were used for model validation...

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  • The Effect of Water and Frost on Fatigue Life of Asphalt Concrete

    Publication

    - Year 2014

    This paper presents testing of fatigue life of asphalt concrete that has been subjected to action of water and frost. Simulation of water and frost action was based on the original AASHTO T283 method and its modification. The original method was modified in such a way that instead of a single freeze-thaw cycle, 50 and 150 cycles were applied. Fatigue life was measured in the indirect tensile fatigue test in the Nottingham asphalt...

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  • Size effect in concrete under splitting tension

    Publication

    The size effect is a fundamental phenomenon in concrete materials. It denotes that both the nominal structural strength and material ductility always decrease with increasing element size under tension. In the paper splitting tensile tests on cylindrical concrete specimens with the different diameter were carried out. Two types of the loading strip (plywood board and steel cylinder) were used. The concrete strength and ductility...

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  • Size effect in centrifuge cone penetration tests

    Określenie efektu skali w badaniu wciskania stożka w zagęszczonych piaskach kwarcowych na podstawie badań modelowych w wirówce geotechnicznej. Badania przeprowadzono na dwóch piaskach kwarcowych przy przyśpieszeniach od 30g do 100g. Analizowano efekt skali związany ze stosunkiem średnicy modelu (mini-stożka) do średniej średnicy ziaren oraz wpływem poziomu naprężenia na opór stożka. Wpływ poziomu naprężenia powoduje powstanie geometrycznego...

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  • Specific cutting resistance while sawing of wood - the size effect

    Publication

    - Annals of WULS, Forestry and Wood Technology - Year 2010

    W artykule przedstawiono wyniki analiz zmian właściwego oporu skrawania, przy zastosowaniu współczesnej mechaniki pękania z uwzględnieniem wiązkości. Analizy wykonano dla procesu przecinania drewna na pilarce ramowej PRW15M drewna jesionu i jesionu modyfikowanego termicznie. Zastosowane podejście pozwala na wyjaśnienie zjawiska wzrostu właściwego powierzchniowego oporu skrawania dla niewielkich grubości warstwy skrawanej jako efektu...