Application of Isochronous Healing Curves in Predicting Damage Evolution in a Salt Structure
Source abstract
Abstract
A treatment of damage healing is present for rock salt, formulated within the framework of continuum damage mechanics. The concept of an isochronous healing surface, which is a locus of points in a stress space for which the times of healing are identical, is proposed and derived from the healing formulation in order to establish the initial stresses for the onset of healing and the evolution of healing with time and stress. The characteristics of the isochronous healing curves are identified and compared against those of isochronous failure curves and the dilatancy boundary. Isochronous healing curves for clean and argillaceous (containing clay particles) salt are developed and evaluated against laboratory data. Subsequently, the isochronous healing curves are used to predict the healing response of damage in the disturbed rock zone of an air intake shaft in a salt structure.
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Research context
OpenAlex topics: Rock Mechanics and Modeling · Geotechnical Engineering and Underground Structures · Grouting, Rheology, and Soil Mechanics
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Affiliations
Southwest Research Institute, Main Office, 6220 Culebra Road, P.O. Drawer 28510, San Antonio, TX 78228-0510
Sandia National Laboratories, Albuquerque, NM 87185
References (25)
Show source-provided references
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