Study of behaviour of workings in longwall panel based on field instrumentation
by V.R. Sastry, Roshan Nair
International Journal of Mining and Mineral Engineering (IJMME), Vol. 1, No. 3, 2009

Abstract: The paper presents field monitoring study of two adjacent longwall panels based on stress measurements in longwall block and barrier, load transferred on to the gate roads and convergence measurements in the gate roads during face retreat in the panels. Results indicated that the section of barrier lying in the goaf experienced higher abutment stress when compared with the section lying ahead of face. There was a transfer of load in gate roads ahead of face after the occurrence of roof fall in goaf. Maximum cumulative convergence of more than 8 mm was observed in the gate roads during weightings.

Online publication date: Sat, 18-Jul-2009

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