Simulation on Flyrock due to Blasting Using Smoothed Particle Hydrodynamics (SPH) with LS-Dyna software

• Autorzy: Dinh Bao Tran , Van Trieu Do , Van Viet Pham , An Nguyen Dinh

Identyfikatory

DOI

10.29227/IM-2023-02-08

Warianty tytułu

PL

Symulacja na odłamkach skalnych powstałych w wyniku odstrzału z wykorzystaniem hydrodynamiki cząstek wygładzonych (SPH) z oprogramowaniem LS-Dyna

• Konferencja: POL-VIET 2023 — the 7th International Conference POL-VIET
• Języki publikacji: EN

Abstrakty

EN

In surface mining operation, blasting method has been commonly used and accounted highly for breaking waste rock and mineral. The main goal of the activity is fundamental fragmentation by energy generation due to blasting. However, only 20% to 30% blasting energy is generated to fragment rock. The remain energry is wasted for flyrock, ground vibration, air overpressure, dust and too fine fragmentation. Flyrock in blasting is large risk for surface mines and occupies more than a half of incidents relating to blasting at surface mines, because this is a severe issue and causes negative reaction of the surrounding residients. However, studies on flyrock-phenomenon prediction methods for blasting in Vietnam have been also limited. In the study, simulation analysis method on induce-blasting-induced flyrock experiment using Smoothed Particle Hydrodynamics (SPH) with LS-Dyna software. Two-dimension modelling was built and practically applied for B2 cross section of Mong Son quarry in Yen Bai province. The result showed that the ability of Smoothed Particle Hydrodynamics (SPH) in analysizing flyrock trajectory distance in blasting. By using the modelling with field-site parameters, the researcher monitored flyrock velocity at installed time periods, such as 1.5 second when the flyrocks fly with a maximum distance of 85 m from blasting site and their average velocity of 40 m/s.

Słowa kluczowe

EN

flyrock; smoothed particle hydrodynamics; simulation; blasting; LS-Dyna

PL

hydrodynamika; górnictwo; minerały

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2023
• Tom: no. 2, vol. 1
• Strony: 13--21
• Opis fizyczny: Bibliogr. 47 poz., rys., tyab., wykr., zdj.

Twórcy

autor

Dinh Bao Tran

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam
• Innovations for Sustainable and Responsible Mining (ISRM) Research Group, Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam

• https://orcid.org/0000-0003-1801-1165

autor

Van Trieu Do

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam
• Innovations for Sustainable and Responsible Mining (ISRM) Research Group, Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam

• https://orcid.org/0009-0003-3345-9328

autor

Van Viet Pham

• Institute of Mining Science and Technology – Vinacomin

• https://orcid.org/0009-0007-7887-9034

autor

An Nguyen Dinh

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam
• Innovations for Sustainable and Responsible Mining (ISRM) Research Group, Hanoi University of Mining and Geology, 18 Vien street, Hanoi 100000, Vietnam

• https://orcid.org/0009-0003-2156-6011

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu „Społeczna odpowiedzialność nauki” - moduł: Popularyzacja nauki i promocja sportu (2022-2023)