Study on the Load Analysis of Strata Using Lod Cell in Underground Coal Mines

Abstract

The failing of the strata in underground coal mines is one of the popular hazards during the coal winning operation. The main objective of this paper is to study the strata behaviour of underground coal in association the goaf edge distance (GED). An extensive case study was performed to study the variation of load on the strata under varying GED condition. The outcome of the study revealed that the load on the strata increase with the reduction in the value of goaf edge distance. This increase load value on the strata increases the pressure on the strata which brings the strata under the danger zone. Therefore, a systematic support system is recommended in the paper while performing the coal winning operation near the edge of the goaf.