Single-heater test final report
- LLNL
The Single-Heater Test (SHT) was one phase of the field-scale thermal testing program of the Yucca Mountain Site Characterization Project. The primary purpose of the SHT was to study the thermomechanical (TM) behavior of the densely welded, non-lithophysal Topopah Spring tuff at the Exploratory Studies Facility. The SHT was also used as a shake-down for testing thermal-hydrologic-chemical-mechanical processes in situ, testing that will be conducted in the Drift-Scale Test. In the SHT, a line-heat source 5-m long was emplaced in a pillar and used to heat the pillar for approximately nine months. The thermal field was relatively cylindrical about the line-heat source. The heater was turned off after nine months of heating, and the rock mass was monitored during the cool-down for another nine months, until May 28, 1997, when the test was terminated.
- Research Organization:
- Lawrence Livermore National Laboratory, Livermore, CA
- Sponsoring Organization:
- USDOE Office of Civilian Radioactive Waste Management (RW)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 2893
- Report Number(s):
- UCRL-ID-131491; ON: DE00002893
- Country of Publication:
- United States
- Language:
- English
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