Seismic impact from massive blastings on around objects

Dambov, Risto and Brahimaj, Frasher and Ljatifi, Ejup and Dambov, Ilija (2018) Seismic impact from massive blastings on around objects. In: XI Expert conference themed: “Technology of underground and surface mining of mineral raw materials” Podeks - Poveks" 18 , 09-11 Nov 2018, Struga, Macedonia.

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The Company "GeoMineral" operates in Astrozub, which exploitation limestone for the needs of quarry and market. In this deposit, drilling is usually 15 [m] deep, where we get a field with 126 drillings of 15 [m] in length is considered. With the distance between the drillings in the row 3.5 [m], with the distance between rows of 3.5 [m] and the drilling diameter 89 [mm]. To perform the blasting, the ANFOKOS explosive with density 0.85 [g/cm3] was taken. For initiation has been taken the Nonel system for initiated of drilling and surface initiation. Based on all the above, it emerges that the distance of uncertainty is up to 184 [m], while the houses are over 500 [m] away from the blasting field. Also and the vibrations result to be 2,508 [mm / s], which proves that the blasts at this site do not have any impact on the surrounding buildings, based on permissible seismic vibration rates.

Key words: Nonel system, blasting, drilling, seismic distance, safety distance

Item Type: Conference or Workshop Item (Paper)
Subjects: Engineering and Technology > Civil engineering
Engineering and Technology > Materials engineering
Engineering and Technology > Other engineering and technologies
Divisions: Faculty of Natural and Technical Sciences
Depositing User: Risto Dambov
Date Deposited: 03 Dec 2018 13:36
Last Modified: 03 Dec 2018 13:36

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