NDLI: Numerical analysis of stope stability based on coupling of MIDAS/GTS and $FLAC^{3D}$

Content Provider	IEEE Xplore Digital Library
Author	Keping Zhou Zezhou Liu Xiong Xiao Lili Wang
Copyright Year	2010
Description	Author affiliation: College of resources and security engineering; central south university, Changsha,china 410083 (Keping Zhou; Zezhou Liu; Xiong Xiao; Lili Wang)
Abstract	Taking industrial field test at Kelatongke Copper-Nickel Mine in Sinkiang, which uses the back-filling mining method based on environment reconstructed deep-hole introducing caving, as an engineering background, the three-dimensional mesh model of ore body excavation was constructed by using the MIDAS/GTS software, and then the model data were transformed into $FLAC^{3D}$ to build the numerical simulation model, after which the simulation calculations were carried out. Finally, according to the simulation calculation results, the deformation responses and stress characteristics of artificial roof and surrounding rock were analyzed. It is proved that after the ore in the stope was mined out, the underneath of middle of the artificial roof had tensile zone, the maximum stress value was 0.21MPa, whose sinking displacement also reached the maximum value, up to 43.2mm. The left end of artificial roof was subject to shear stress, the phenomenon of stress concentration is obvious. The upper and lower surrounding rock of stope are under a state of tensile stress, maximum tensile stress value is 1.0MPa, and the displacement of the lower surrounding is greater than that of the upper surrounding rock, up to 47.3mm. Building a 9m thickness concrete structure as a safety manual roof can ensure safe production in stope under the roof.
File Size	1362580
File Format	PDF
ISBN	9781424463473
e-ISBN	9781424463497
DOI	10.1109/ICCET.2010.5486224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Software testing $FLAC^{3D}$ Data engineering Stability analysis Tensile stress Numerical analysis orebody excavation Ores MIDAS/GTS numerical analysis Computer industry Metals industry mining environment regeneration Mining industry Numerical stability
Content Type	Text
Resource Type	Article

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