Deformation information system for facilitating studies of mining-ground deformations, development, and applications

Author:

Blachowski J.,Milczarek W.ORCID,Stefaniak P.

Abstract

Abstract. The paper presents the concept of the deformation information system (DIS) to support and facilitate studies of mining-ground deformations. The proposed modular structure of the system includes data collection and data visualisation components, as well as spatial data mining, modelling and classification modules. In addition, the system integrates interactive three-dimensional models of the mines and local geology. The system is used to calculate various parameters characterising ground deformation in space and time, i.e. vertical and horizontal displacement fields, deformation parameters (tilt, curvature, and horizontal strain) and input spatial variables for spatial data classifications. The core of the system in the form of an integrated spatial and attributive database has been described. The development stages and the functionality of the particular components have been presented and example analyses utilising the spatial data mining and modelling functions have been shown. These include, among other things, continuous vertical and horizontal displacement field interpolations, calculation of parameters characterising mining-ground deformations, mining-ground category classifications, data extraction procedures and data preparation preprocessing procedures for analyses in external applications. The DIS has been developed for the Walbrzych coal mines area in SW Poland where long-time mining activity ended at the end of the 20th century and surface monitoring is necessary to study the present-day condition of the former mining grounds.

Publisher

Copernicus GmbH

Subject

General Earth and Planetary Sciences

Reference29 articles.

1. Blachowski, J.: Geographical Information System of the Walbrzych Underground Coal Mines a Way to Improve Effectiveness and Accuracy of Mining Grounds Deformation Studies, Scientific Papers of the Institute of Mining Engineering, Wroclaw University of Technology, 34, 17–27, 2008 (in Polish).

2. Blachowski, J. and Ellefmo, S.: Numerical modelling of rock mass deformation in sublevel caving mining system, Acta Geodyn. Geomater., 9, 379–388, 2012.

3. Blachowski, J. and Milczarek, W.: Development and application of 3D geological model and geoinformation system for numerical modelling of ground deformations in abandoned underground coal mines, Proceedings IAMG 2011 Conference, 837–851, https://doi.org/10.5242/iamg.2011.0000, 2011.

4. Blachowski, J. and Milczarek, W.: Analysis of surface changes in the Wałbrzych hard coal mining grounds (SW Poland) between 1886 and 2009, Geol. Q., 58, https://doi.org/10.7306/gq.1162, in press, 2014.

5. Blachowski, J. and Stefaniak, P.: An enhancement of the geoinformation system for the former Walbrzych coal mines, Scientific Papers of the Institute of Mining Engineering, Wroclaw University of Technology, 135, 5–21, 2012 (in Polish).

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