Review of Subsidence and Stabilization Techniques

by D. A. Fernando, Brian Colquhorn & Partners, Engl,

Document Type: Proceeding Paper


Currently, in Britain, the mining industry is undergoing a state of decline for economic reasons. Consequently, the number of old coal sites available for development schemes has increased. Therefore, the problems associated with subsidence can be segregated into two parts. The first being the mitigation of the effects of subsidence on structures on actively mined areas. The second being the stabilization and rehabilitation of ground over and around old mine sites for new development schemes. In the former case the stabilization techniques employed may be local or global, depending on the problems encountered in any particular area. In the latter case, generally, grouting techniques are employed. This paper aims to review the causes of subsidence and the techniques used to minimize its effect on structures. Also, more economic alternative methods of ground stabilization techniques are described and proposed, to be used in this area of ground engineering.

Subject Headings: Land subsidence | Soil stabilization | Coal mining | Grouting | Mines and mining | Industries | Economic factors | Mitigation and remediation

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