Analysis of the damage influence range generated by underground mining

Andrzej Kwinta , Robert Gradka


Mining has negative impact on the natural environment. It is changing all elements of the natural environment. Formation of voids in the rock mass is causing the deforming movements of rock mass and land surface. To forecast the deformations, the developed theoretical solutions are being used. The prognostic calculations are conducted in order to minimize the negative impact of the exploitation and at the same time to maximize the amounts of excavated minerals. It is crucial to determine the exploitation planned range in time and space before starting mining operations. The exploitation range of influence can be considered in various aspects. There can be determined the theoretical range, the damage range as well as the measurable range of influences. In the Paper the damage range of influence is being analyzed. The threshold value of the deformations has been determined by the building engineering experts. On the basis of theoretical considerations the distance from the edge of exploitation has been determined on which the damage influences may occur. The presented solution is based on the Knothe’s theory of influences’ function. The formulated equations can be used without any specialist software. It is enough to know basic parameters of the designed mining exploitation. The formulas determining the damage range of influences have been supplemented with the errors analysis. This allows to determine the probability of exceeding the deformations’ threshold values. The solution has been illustrated with three practical examples.
Author Andrzej Kwinta (FoEEaLS / DoG)
Andrzej Kwinta,,
- Department of Geodesy
, Robert Gradka - Wroclaw University of Science and Technology (PWr)
Robert Gradka,,
Journal seriesInternational Journal of Rock Mechanics and Mining Sciences, [International Journal of Rock Mechanics and Minings Sciences], ISSN 1365-1609, e-ISSN 1873-4545, (N/A 140 pkt)
Issue year2020
Publication size in sheets0.5
Keywords in EnglishSafety mining, Land and objects deformation, Mining damage, Influence radius, Deformation prediction
ASJC Classification1909 Geotechnical Engineering and Engineering Geology
Languageen angielski
Score (nominal)140
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 2.519; WoS Impact Factor: 2018 = 3.78 (2) - 2018=4.56 (5)
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