Interpretacja pomiarów wykonywanych w piezometrach sieci monitoringowej zakładu górniczego w celu określania parametrów filtracyjnych poziomu wodonośnego na podstawie danych z okresu odwadniania szybu R-XI KGHM Polska Miedź S.A.
Abstract
Interpretation of measurements taken in piezometers of a mine monitoring network to determine the filtration parameters of an aquifer, using the example of an analysis for data from the period of drainage of the R-XI shaft of KGHM Polska Miedź S.A.
A b s t r a c t. The article describes an attempt to analyse measurement data from a groundwater observation network of KGHM Polska Miedź S.A., from the period of dewatering of the R-XI shaft. The shaft was dewatered as a result of inflow of waters from the middle and lower Buntsandstein aquifer. A scheme was adopted in which the dewatered shaft is a pumping well and piezometers of the monitoring network are observation wells. The described data were interpreted using calculation methods provided for pumping test and tests based on rapid changes of borehole pressure, in the AquiferTest Pro v10.1 software. The dewatering of the R-XI shaft in this case was carried out over a period of more than 16 months, with an average flow rate of 115.6 m3/h; the water table recovery after the dewatering took more than 43 months. The observation wells from which the measurement data were interpreted are 0.1, 1.8 and 3.4 km away from the R-XI shaft.
A b s t r a c t. The article describes an attempt to analyse measurement data from a groundwater observation network of KGHM Polska Miedź S.A., from the period of dewatering of the R-XI shaft. The shaft was dewatered as a result of inflow of waters from the middle and lower Buntsandstein aquifer. A scheme was adopted in which the dewatered shaft is a pumping well and piezometers of the monitoring network are observation wells. The described data were interpreted using calculation methods provided for pumping test and tests based on rapid changes of borehole pressure, in the AquiferTest Pro v10.1 software. The dewatering of the R-XI shaft in this case was carried out over a period of more than 16 months, with an average flow rate of 115.6 m3/h; the water table recovery after the dewatering took more than 43 months. The observation wells from which the measurement data were interpreted are 0.1, 1.8 and 3.4 km away from the R-XI shaft.