Experiment and analysis comparison in support of the Yucca Mountain Project
Sandia National Laboratories, as a participant in the Yucca Mountain Project, administered by the Nevada Operations Office of the US Department of Energy, is in the process of evaluating a proposed site for geologic disposal of high-level nuclear wastes in the volcanic tuffs at Yucca Mountain, Nevada. In a repository, loads will be imposed on the rock mass as a result of excavation of the openings and heating of the rock by the nuclear waste. In an attempt to gain a better understanding of the thermal, mechanical, and thermomechanical response of fractured tuff, a series of experiments have been performed, and measurements have been taken in the welded and nonwelded tuffs at the G-Tunnel underground test facility at Rainier Mesa, Nevada. Comparisons between measured and calculated data of the G-Tunnel High-Pressure Flatjack Development Experiment are presented in this investigation. Calculated results were obtained from two dimensional finite element analysis using a recently developed compliant-joint rock-mass model. The purpose of this work was to assess the predictive capability of the model based on limited material property data for the G-Tunnel welded tuff. The results of this evaluation are discussed.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 138028
- Report Number(s):
- SAND-90-2817C; CONF-9105103-1; ON: DE91005315; TRN: 91:008402
- Resource Relation:
- Conference: International conference of the International Association for Computer Methods and Advances in Geomechanics, Cairns (Australia), 6-10 May 1991; Other Information: PBD: [1991]
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
58 GEOSCIENCES
YUCCA MOUNTAIN
RESERVOIR ROCK
STRESS ANALYSIS
TUFF
PRESSURIZATION
THERMODYNAMIC PROPERTIES
MECHANICAL PROPERTIES
COMPARATIVE EVALUATIONS
THERMAL STRESSES
HIGH-LEVEL RADIOACTIVE WASTES
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE FACILITIES
SITE CHARACTERIZATION
CALCULATION METHODS
TWO-DIMENSIONAL CALCULATIONS
FINITE ELEMENT METHOD
EXCAVATION
HEATING
RESERVOIR PRESSURE
GEOLOGIC FRACTURES
Yucca Mountain Project