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RESEARCH PAPERS

Creep Modeling of Rock Salts for Geoenvironmental Application

[+] Author and Article Information
M. I. Hossain

SEARCH, Inc., Norman, OK 73069

M. O. Faruque, M. Zaman

The University of Oklahoma, Norman, OK 73019

J. Energy Resour. Technol 117(2), 108-114 (Jun 01, 1995) (7 pages) doi:10.1115/1.2835326 History: Received August 17, 1994; Revised March 01, 1995; Online January 22, 2008

Abstract

The paper discusses a rate-dependent constitutive model to describe the creep deformation of rock salts. The model is based on the dislocation-related micromechanisms; the concept of effective stress is utilized by incorporating the back stress as an internal variable. The model is used to predict the creep potential of rock salt under general thermo-mechanical loading. The experimental test results from Avery Island dome salt are used in this work. The associated five model parameters are evaluated by using an optimization technique, called “box algorithm.” The parameters are then used with the model to predict unoptimized experimental data sets. The influence of temperature and confining pressure are investigated in detail for the selected rock salt. Overall, excellent correlations are observed.

Copyright © 1995 by The American Society of Mechanical Engineers
Topics: Creep , Modeling , Rocks
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