Three Dimensional Numerical Modeling of Excavation in Rock With Dilatant Joints
Oh, Joung-Min
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https://hdl.handle.net/2142/83280
Description
Title
Three Dimensional Numerical Modeling of Excavation in Rock With Dilatant Joints
Author(s)
Oh, Joung-Min
Issue Date
2005
Doctoral Committee Chair(s)
Cording, Edward J.
Department of Study
Civil and Environmental Engineering
Discipline
Civil and Environmental Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The degradation in dilation and post-peak strength along irregularities is modeled using the plastic work done in shear. A dimensionless product of plastic work, rock strength, and wavelength of irregularities has been developed which fits the direct shear test results. An approach to scaling shear strength and shear displacement from laboratory to in the field is suggested. Analyses are correlated with shear displacements on the roadway and inclinometer readings measured in the rock ridge.
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