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Title: Geomechanical properties of Topopah Spring Tuff at the 0.5-m scale: preliminary results of compression tests at elevated temperature

Technical Report ·
DOI:https://doi.org/10.2172/664428· OSTI ID:664428

This report presents preliminary results of laboratory testing of a small block sample of Topopah Spring Tuff. This is the first in a series of tests on small block samples. The purpose of these tests is to investigate the thermal-mechanical, thermal-hydrological, and thermal-chemical response of the rock to conditions similar to the near-field environment (NFE) of a potential nuclear waste repository. This report presents preliminary results of deformation and elastic- wave velocity measurements on a 0.5-m scale block of Topopah Spring tuff tested in uniaxial compression and at temperatures to 85{degrees}C.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Civilian Radioactive Waste Management, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
664428
Report Number(s):
UCRL-ID-125089; ON: DE98058623
Resource Relation:
Other Information: PBD: 25 Aug 1997
Country of Publication:
United States
Language:
English