The Effective Stress Coefficient of Coal: A Theoretical and Experimental Investigation

Volume: 54, Issue: 8, Pages: 3891 - 3907
Published: Apr 26, 2021
Abstract
The effective stress coefficient (ESC) is a key parameter in the linear poroelastic effective stress formulation. In fluid-bearing porous media, the effective stress is the difference between total stress and a fraction of the pore fluid pressure controlled by the ESC. The ESC is either measured in the laboratory or estimated by empirical models using field data. Among different techniques, sonic velocity measurements are widely used to estimate...
Paper Details
Title
The Effective Stress Coefficient of Coal: A Theoretical and Experimental Investigation
Published Date
Apr 26, 2021
Volume
54
Issue
8
Pages
3891 - 3907
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