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Geological Society, London, Engineering Geology Special Publications
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Geological Society, London, Engineering Geology Special Publications; 1987; v. 4; p. 137-149;
DOI: 10.1144/GSL.ENG.1987.004.01.16
© 1987 Geological Society of London

Session 3: Data Acquisition

Application of lithic and structural geological data to the assessment of ground stability above shallow abandoned coal mines

P. A. Hart

Portsmouth Polytechnic, Department of Geology, Burnaby Road, Portsmouth P01 3QL, UK

Borehole log data gathered during a subsidence investigation in 1978–79 are used to derive a classification scheme for Coal Measure rocks. The results of height of void migration above workings are compared to those arising from use of Piggott & Eynon’s (1977) geometrical collapse zone method and Bienawski’s (1980) Rock Mass Rating scheme. It is concluded that the analysis helps to assess areas of greatest instability, which thus aids land-use planning and also the planning of ground investigations, ground stabilization, and re-development.