Articles | Volume 16, issue 12
https://doi.org/10.5194/nhess-16-2473-2016
https://doi.org/10.5194/nhess-16-2473-2016
Research article
 | 
29 Nov 2016
Research article |  | 29 Nov 2016

Roadway backfill method to prevent geohazards induced by room and pillar mining: a case study in Changxing coal mine, China

Nan Zhou, Meng Li, Jixiong Zhang, and Rui Gao

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Cited articles

An, B. F., Miao, X. X., Zhang, J. X., Ju, F., and Zhou, N.: Overlying strata movement of recovering standing pillars with solid backfilling by physical simulation, Int. J. Min. Sci. Tech., 26, 301–307, https://doi.org/10.1016/j.ijmst.2015.12.017, 2016.
Bell, F. G. and Bruyn, I. A.: Subsidence problems due to abandoned pillar workings in coal seams, B. Eng. Geol. Environ., 57, 225–237, https://doi.org/10.1007/s100640050040, 1999.
Castellanza, R., Gerolymatou, E., and Nova, R.: Evaluation and remediation of an abandoned gypsum mine, Rock Mech. Rock Eng., 41, 377–401, https://doi.org/10.1007/s00603-007-0142-y, 2008.
Castellanza, R., Nova, R., and Orlandi, G.: Flooded gypsum mine remedial by chamber filling, J. Geotech. Geoenviron. Eng., 136, 629–639, https://doi.org/10.1061/(ASCE)GT.1943-5606.0000249, 2010.
Chen, S. J., Guo, W. J., Zhou, H., and Wen, G. H.: Structure model and movement law of overburden during strip pillar mining backfill with cream-body, J. China Coal Soc., 36, 1081–1086, 2011.
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Short summary
Coal mines in the western areas of China experience low mining rates and induce many geohazards when using the room and pillar mining method. In this research, we proposed a roadway backfill method during longwall mining to target these problems. The surface monitoring data shows that the ground basically had no obvious deformation after the implementation of the roadway backfill method.
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