Numerical modelling of uniaxial compressive strength laboratory tests

• Autorzy: Nguyen Phu Minh Vuong , Walentek Andrzej , Waclawik Petr , Souček Kamil , Antoniuk Michał

Identyfikatory

DOI

10.46873/2300-3960.1393

• Języki publikacji: EN

Abstrakty

EN

In the last decades, numerical modelling has been widely used to simulate rock mass behaviour in geo-engineering issues. The only disadvantage of numerical modelling is the reliability of required input data (e.g. mechanical parameters), which is not always fully provided due to the complexity of rock mass, project budget, available test methods or human errors. On the other hand, it was proven in many cases that numerical modelling is a helpful tool for solving such complex problems, especially when coupled with the results of laboratory and in-situ tests. This paper presents an attempt to determine the proper numerical constitutive model of rock and its mechanical parameters for further simulating rock mass response based on the outcomes of laboratory testing. For this purpose, the available constitutive models, including mechanical parameters, were taken into account. The simulation performance with the selected constitutive models is demonstrated by matching the numerical modelling results with the uniaxial compressive strength laboratory tests of rock samples from the Bogdanka coal mine. All numerical simulations were carried out using the finite difference method software FLAC3D.

Słowa kluczowe

EN

uniaxial compressive strength; UCS; numerical modelling; constitutive model; fracture mode

PL

jednoosiowa wytrzymałość na ściskanie; UCS; modelowanie numeryczne; model konstytutywny; tryb pękania

• Wydawca: Elsevier ; Główny Instytut Górnictwa
• Czasopismo: Journal of Sustainable Mining
• Rocznik: 2023
• Tom: Vol. 22. iss. 4
• Strony: 280--294
• Opis fizyczny: Bibliogr. 47 poz.

Twórcy

autor

Nguyen Phu Minh Vuong

• Central Mining Institute, Katowice, Poland

• https://orcid.org/0000-0002-4895-8811

autor

Walentek Andrzej

• Central Mining Institute, Katowice, Poland

• https://orcid.org/0000-0003-1238-4921

autor

Waclawik Petr

• Institute of Geonics, Czech Academy of Sciences, Ostrava, Czech Republic

• https://orcid.org/0000-0002-9589-5083

autor

Souček Kamil

• Institute of Geonics, Czech Academy of Sciences, Ostrava, Czech Republic

• https://orcid.org/0000-0002-4430-8272

autor

Antoniuk Michał

• Bogdanka Coal Mnie, Puchaczów, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).