Using Experimental Measures In Elaboration And Calibration Of Numerical Models In Geomechanics
Author(s)
J. Torano, R. Rodriguez, A. Cuesta
Abstract
Using experimental measures in elaboration
and calibration of numerical models in
geomechanics
J. Torano, R. Rodriguez & A. Cuesta
Oviedo School of Mines
University of Oviedo, Spain
Abstract
This work is the result of over 10 years research on computational methods for
solving problems related to mining and underground excavations. Real cases are
described where numerical models (FEM) have been implemented. Measured
data sets used to develop and calibrate the models are presented.
Some of the parameters obtained were: elastic modulus of rock mass, Poisson
coefficient, rock mass jointing, stresses and strains within the rock mass, vertical
displacement at surface, extent of plastic zone around excavations, convergence
at driveways and tunnels, number of rockfalls from roof strata, etc.
Those measurements were used for FEM predictive models applied to: surface
subsidence, convergence in roadways and interaction between roof strata and
shield-type supports (longwall mining method). Empir
Keywords
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