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Observation Data Processing of Mining Subsidence

Author: WangGuiSheng
Tutor: TangFuQuan
School: Xi'an University of Science and Technology
Course: Cartography and Geographic Information Systems
Keywords: Mining Subsidence Movement and Deformation Data Processing Data Visualization Parameters Estimation
CLC: TD325
Type: Master's thesis
Year: 2011
Downloads: 305
Quote: 3
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Abstract


Coal resource mining occupies an important position in energy production in China. Studying the mining subsidence rules which caused by underground mining has practical significance to safe mining and to reduce the damage caused by mining. Field observation which is implemented through establishing observation stations is one of the most important and effective methods to get surface movement and deformation rules. Using computer technology to manage observation data effectively and to process data automaticly has become an important research direction of mining subsidence science.Observation data processing and analysis of mining subsidence is selected as research object in this paper. Database is used to manage the observation data of mining subsidence. Based on C# programming language, surface movement and deformation values calculation and data visualization is implemented by use of Visual Studio 2008 which is a visual development tool. Based on the measured data, parameters calculation method for prediction model of probability integration method will be analized, providing powerful information support for the research of mining subsidence rules. The main achievements of this paper are shown as follows:(1) The main content of data processing for surface movement and deformation is systematicly elaborated. The content includes calculation of observation data, calculation of prediction parameters, research of distribution law for movement and deformation, and comprehensive analysis of the measured parameters for multiple observation stations. Basic flow of observation data processing for surface deformation is anzlyzed. The flow includes data pre-processing, data input and management, surface movement and deformation calculations, graphics rendering and visualization, parameters calculation and results output.(2) Based on C# language, surface movement and deformation calculation program is completed by uisng Visual Studio2008 which is a visual development tool. Subsidence values, inclination values, curvature values, horizontal movement values and horizontal deformation values can be calculated automaticly by use of this program.(3) Combining with component, curves drawing function for surface movement and deformation is completed by using C# language. Meanwhile, based on inverse distance weighing interpolation method, contours drawing function is completed by using some related interfaces of ArcGIS Engine.(4) According to the theory of nonlinear model parameters estimation, prediction parameters calculation models and method of surface movement and deformation for probability integral method is analyzed. Meanwhile, parameters calculation is implemented by use of curve fitting method.

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CLC: > Industrial Technology > Mining Engineering > Mine the pressure and support > Rock pressure and rock movement > Rock movement
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