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Review paper

FILLING THE EXCAVATED EMPTY AREA IN UNDERGROUND EXPLOITATION OF THE MINE “KREKA” AIMED AT REDUCING DEFORMATIONS OF THE SURFACE CAUSED BY EXCAVATION

By
Edin Fazlić ,
Edin Fazlić
Contact Edin Fazlić

PC Elektroprivreda ZD Mines “Kreka” Tuzla Ltd, Tuzla, Bosnia and Herzegovina

Semir Fejzić
Semir Fejzić

BCC Tuzla Canton, Tuzla, Bosnia and Herzegovina

Abstract

Taking into consideration the current situation in the field of energy, the specific conditions of our mining and contemporary achievements in the field of underground exploitation, it can be stated that new circumstances in terms of techno-economic and security parameters of exploitation in the whole system of the exploitation of the coal deposits are present. The aim of this paper is to contribute to solving the problem of the subsidence of ground surface caused by excavation and utilization of the reserves of deposits that are nonrenewable and important economic resource. It is oriented towards solving this problem in order to avoid deformations of ground surface caused by the excavated empty underground area. By solving this problem, the empty excavated area is filled and the problem of the deformations of ground surface is reduced or permanently solved. The paper proposes the potential composition of backfill for filling the excavated empty area. This paper presents a solution based on filling the excavated empty area.

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