Conference Proceedings
Ground Movement and Control Related to Coal Mining, Wollongong
Conference Proceedings
Ground Movement and Control Related to Coal Mining, Wollongong
Influence of Pack Design Upon Gateroad Deformation in Soft Floor Conditions
The high cost of gateroad repairs and maintenance in U.K. longwall coalmining is a clear indication of the failure of permanent support systems to fulfill their prime function, i.e. control of strata movement. The main component of gateroad support is the pack, the design and materials of which have experienced an important development process during the last 10-15 years. More recently, research investigators have attempted to give a design basis to pack quality and dimension, and reference is made to two theoretical approaches. In the course of a current research programme based upon in situ monitoring, interim design recommendations have been proposed as a means of effecting improvement in support efficiency. Identification of characteristic deformation behaviour forms the basis of the recommendations made and the subsequent improvement in gateroad performance reported.
Contributor(s):
A K Isaac, A R Payne
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- Published: 1986
- PDF Size: 0.963 Mb.
- Unique ID: P198603011