Document Type

Conference Paper

Publication Date


Publication Details

This conference paper was originally published as Williams, RJ, Yurakov, E & Ashelford, DJ, Gas Emission Modelling of Gate Road Development, in Aziz, N (ed), Coal 2001: Coal Operators' Geotechnology Colloquium, University of Wollongong & the Australasian Institute of Mining and Metallurgy, 2001, 45-51.


This paper covers the modelling of gas emission during gate road development. Complexities related to the range of gas reservoir and mining data are briefly described. The rib emission response to initial gas reservoir parameters is defined using the SIMED II gas reservoir simulator. The rib emission decay curves are then used in an interactive EXCEL spreadsheet model that takes additional account of mining and ventilation parameters. It is an attempt at bringing to planners and mine operators an interactive tool that incorporates the important parameters and options.
SIMED’s strengths lie in it’s ability to:
• quickly convey a message that facilitates action toward improved ventilation and/or gas drainage design and implementation.
• contain all the important gas reservoir and mining parameters within a manageable package.

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