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Conference Proceedings

Ground Movement and Control Related to Coal Mining, Wollongong

Conference Proceedings

Ground Movement and Control Related to Coal Mining, Wollongong

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Monitoring and Predictive Modelling of Subsidence in the West Moreton Coalfield

An ongoing research program into surface subsidence over Room and Pillar coal mining is described. A subsidence monitoring network has been established for one Room and Pillar mine in the West Moreton Coal Field of South East Queensland, at which pillar extraction is being conducted. The maximum measured subsidence to 28 January 1986 was 638 mm, with movement continuing. Analysis of the monitoring data with view to application of the subsidence pre- diction theory developed by Kowalczyk (1972) is discussed. The Kowalczyk theory provides predictions of subsidence depression, slope of surface, horizontal displacement, surface curvature and horizontal strain, for both the Partial and Total Settlement cases._x000D_
The development of subsidence with time is also investigated and a preliminary analysis conducted.
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  • Monitoring and Predictive Modelling of Subsidence in the West Moreton Coalfield
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  • Published: 1986
  • PDF Size: 0.891 Mb.
  • Unique ID: P198603016

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