Scoping the Monitoring Instrumentation to Meet Repository Design and Construction Needs

by J. E. O'Rourke, Woodward-Clyde Consultants, Oakland, United States,

Document Type: Proceeding Paper

Part of: Dynamic Analysis and Design Considerations for High-Level Nuclear Waste Repositories

Abstract: This paper discusses categories of instruments that are available and recommended for consideration to monitor the engineering performance and interactions of the geologic media, groundwater, and the structural facilities in a high-level waste repository. Instrumented performance monitoring is a means of verifying design assumptions for both the construction, or pre-closure phase, as well as the sealed, or post-closure phase after construction. The seismic response of the media and the constructed facilities is an important consideration in planning the instrumentation. Surface and sub-surface facilities are discussed, and settlement, pore water pressures, soil/rock pressures and displacements, structural stress/strain, and temperature monitoring needs are described.

Subject Headings: Water pressure | Construction management | Soil settlement | Geology | Instrumentation | Soil water | Pore pressure | Structural design

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