Stability analysis of open stopes and backfill in longhole stoping method for Asikoy underground copper mine

• Autorzy: Gonen A. , Kose H.

Warianty tytułu

PL

Analiza stabilności przodka podsadzonego przy wybieraniu stropowo-ścianowym dla kopalni miedzi Asikoy

• Języki publikacji: EN

Abstrakty

EN

Within the scope of this study, forwarded to analyse the whole underground stability of the open stopes and pillars in the longhole stoping with post backfill method which is applied at Asikoy underground mine, a series of rock mechanics tests were carried out on the core samples taken from the ore (chalcopyrite), surrounding rock (basalt) and backfill material and the geomechanical properties of the samples were determined. In order to calculate the stress and deformation around underground openings, Phase2 which is a two-dimensional elastoplastic finite elements program was used and the stability analysis was performed separately for the open stopes and pillars.

PL

W ramach badań prowadzonych w celu określenia stabilności podziemnych wyrobisk i filarów przy wybieraniu stropowo-ścianowym z podsadzką zastosowanym w podziemnej kopalni Asikoy przeprowadzono badania wytrzymałościowe próbek pobranych z rudy (chalkopiryt), ze skał sąsiadujących (bazalt) oraz z materiału podsadzki. Określono geomechaniczne właściwości próbek. W celu obliczenia naprężeń i odkształceń w okolicy otworów podziemnych, zastosowano program Phase2 - oparty na metodzie elementów skończonych do analizy układów płaskich (2D) i wykorzystujący elementy sprężysto-plastyczne. Analizę stabilności przeprowadzono oddzielnie dla rejonów przodka wybierkowego i dla filarów.

Słowa kluczowe

EN

stability analysis; underground; longhole stoping; backfill; finite element

PL

analiza stabilności; kopalnia podziemna; wybieranie stropowo- ścianowe; podsadzka; metoda elementów skończonych

• Wydawca: Instytut Mechaniki Górotworu PAN
• Czasopismo: Archives of Mining Sciences
• Rocznik: 2011
• Tom: Vol. 56, no 3
• Strony: 375--387
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Gonen A.

autor

Kose H.

• Dokuz Eylul University, Mining Eng. Dept., Tinaztepe Campus, 35160 Buca, Izmir-Turkey,

Bibliografia

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