Nonlinear Young’s Modulus of New Red Sandstone: Experimental Studies

Young’s modulus of New Red Sandstone was investigated experimentally to gain insight into its nonlinear nature. A large experimental programme was carried out by applying a controllable quasi-static and dynamic uniaxial loading to 286 dry sandstone samples of four different sizes. The static and dyn...

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Bibliographic Details
Published in:Acta mechanica solida Sinica 2021-12, Vol.34 (6), p.989-999
Main Authors: Riabokon, Evgenii, Poplygin, Vladimir, Turbakov, Mikhail, Kozhevnikov, Evgenii, Kobiakov, Dmitrii, Guzev, Mikhail, Wiercigroch, Marian
Format: Article
Language:English
Subjects:
Classical Mechanics
Engineering
Surfaces and Interfaces
Theoretical and Applied Mechanics
Thin Films
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Summary:Young’s modulus of New Red Sandstone was investigated experimentally to gain insight into its nonlinear nature. A large experimental programme was carried out by applying a controllable quasi-static and dynamic uniaxial loading to 286 dry sandstone samples of four different sizes. The static and dynamic tests, similar to those aiming at determining the uniaxial compressive strength, were conducted using the state-of-the-art experimental facilities at the University of Aberdeen including a custom-built small experimental rig for inducing a dynamic uniaxial compressive load via a piezoelectric transducer. The obtained results have confirmed a complex nature of Young’s modulus of sandstone. Specifically, under a harmonic dynamic loading, it shows strongly nonlinear behaviour, which is hardening and softening with respect to frequency and amplitude of the dynamic loading, respectively.
ISSN:0894-9166
1860-2134
DOI:10.1007/s10338-021-00298-w