A Method for Subsidence Monitoring of Similar Material Simulation Test in Coal Mining

Min Tao; Xin  Chen; Qiu Qi  Ding

doi:10.4028/www.scientific.net/AMR.765-767.2172

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 765-767A Method for Subsidence Monitoring of Similar...

A Method for Subsidence Monitoring of Similar Material Simulation Test in Coal Mining

Abstract:

To accurately monitoring the subsidence of similar material simulation test in coal mining, a static deformation measurement system is proposed based on the digital image processing and photogrammetry techniques. Firstly pastes reference points and observation points on model frame and working face respectively. Before exploitation, calculates the 3D coordinates of those artificial points, transfers the default coordinate system to user defined coordinate system using 3-2-1 transformation method, and defines this stage as basic stage. Then start mining, records enough images from different position and angle, and calculates the 3D coordinates of the deformation stage. Finally aligns the single deformation stage to the basic stage, by tracking and comparing the 3D coordinates of the homonymous points, the subsidence of observation points are obtained. One similar material simulation tests were conducted which prove good performance of the proposed measurement system.

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Periodical:

Advanced Materials Research (Volumes 765-767)

Pages:

2172-2175

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.765-767.2172

Citation:

Cite this paper

Online since:

September 2013

Authors:

Min Tao, Xin Chen, Qiu Qi Ding

Keywords:

Observation Points, Similar Material, Simulation Test, Subsidence Monitoring

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