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MATHEMATICAL MODELS USED TO DETERMINE THE STRAIN OF EXPERIMENTAL WORKS JIU VALLEY MINING BASIN
Abstract
The article aims at the presentation of results as well as the prognosis of deformations during mining works based on experimental measurements. For this study were explored the directional galleries from the layer nr.3 and transversal galleries from the mining basin in Valea Jiului. According to the depth of exploitation, the mining works are situated in rocks with variable resistance. In order to increase the reliability of mine works for the opening and afferent preparing of mining field from Valea Jiului, the goal of the project is to analyze the stability of mining works taking into account the following factors: geological factors, mining factors (geomecanic feature of the massif), technical factors, the capacity of the support etc. Specialized literature does not offer a law of mining pressure regime , respectively of deformations that arise in mining works by taking into account all determining factors. Thereby situ measurements make it possible to obtain the cumulative effect of all determinant factors but without separating the effects of each one.
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