The stability of footwall and dumpwall in open cut coal mines

Takeshi Ueda, Kikuo Matsui, Hideki Shimada

Research output: Contribution to conferencePaper

Abstract

From the viewpoint of safety and stable production at open cut coal mines, it is quite important to ensure highwall, footwall and lowwall stability, until backfilling begins after coal extraction. Especially in coal mines with steep dipping seams, as the pit depth increases, footwall slope failure can occur. Also, dumpwall failure can easily occur due to weakness of fragmented rocks. This kind of failure threatens safety, stable production, and successful rehabilitation. Though a lot of studies for the highwall stability have been done, there are few studies focused on lowwall and dumpwall stabilities for the coal mines with steep dipping seems. Therefore this paper discusses footwall stability with steep dipping seams and dumpwall stability in open cut coal mines, by means of finite element modeling.

Original languageEnglish
Pages1316-1331
Number of pages16
Publication statusPublished - Dec 1 2005
Event14th International Symposium on Mine Planning and Equipment Selection, MPES 2005 and the 5th International Conference on Computer Applications in the Minerals Industries, CAMI 2005 - Banff, AB, Canada
Duration: Oct 31 2005Nov 3 2005

Other

Other14th International Symposium on Mine Planning and Equipment Selection, MPES 2005 and the 5th International Conference on Computer Applications in the Minerals Industries, CAMI 2005
CountryCanada
CityBanff, AB
Period10/31/0511/3/05

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All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology

Cite this

Ueda, T., Matsui, K., & Shimada, H. (2005). The stability of footwall and dumpwall in open cut coal mines. 1316-1331. Paper presented at 14th International Symposium on Mine Planning and Equipment Selection, MPES 2005 and the 5th International Conference on Computer Applications in the Minerals Industries, CAMI 2005, Banff, AB, Canada.