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The Central Law Journal
Vols. 64-96 include "Central law journal's international law list".
Simulation of a Bench Scale Experiment with an Empirical Creep Law
A priori predictions of the creep behavior of a planned bench scale experiment are presented. The experiment involves uniaxial loading of a large block of natural salt with a centrally located borehole. Primary measurements will include the borehole deformation. Sixteen material characterizations including four sets of elastic constants and four empirical creep power laws are developed from one standard deviation of the laboratory derived material properties and are used in the finite element simulation. Consideration is given to plane stress and plane strain solutions and to time-hardening and strain-hardening forms of the creep law. The results show that the deformations are relatively insensitive to variations in the elastic properties and very sensitive to the power on time in the empirical creep law. Differences in the results for the time-hardening and strain-hardening creep formations are small relative to the differences associated with varying the material parameters.
Borehole Plugging Telemetry System
This report summarizes the development of a through-the-earth electromagnetic communication system which was designed to demonstrate that a physical property could be measured deep in the earth and the data received at the surface by wireless telemetry. This system was configured to be placed in a borehole and sealed in place thus preventing the establishment of a pathway between a deep geologic nuclear waste repository and the biosphere. This report contains a detailed description of the downhole and wellhead telemetry electronics, the downhole sensor electronics, integrated system operation, test results, conclusions, and recommendations.
