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Title: Investigation of Coupled Processes and Impact of High Temperature Limits in Argillite Rock

The focus of research within the UFD Campaign is on repository-induced interactions that may affect the key safety characteristics of an argillaceous rock. These include thermal-hydrological-mechanical-chemical (THMC) process interactions that occur as a result of repository construction and waste emplacement. Some of the key questions addressed in this report include the development of fracturing in the excavation damaged zone (EDZ) and THMC effects on the near-field argillaceous rock and buffer minerals and petrophysical characteristics, particularly the impacts of induced temperature rise caused by waste heat.
Authors:
 [1] ;  [1] ;  [1] ;  [1]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
OSTI Identifier:
1229562
Report Number(s):
LBNL--187644
ir:187644; TRN: US1600175
Resource Type:
Technical Report
Research Org:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 58 GEOSCIENCES; ARGILLITE; WASTE HEAT; TEMPERATURE RANGE 0400-1000 K; CHEMICAL REACTIONS; HEATING; FORMATION DAMAGE; BUFFERS; CONSTRUCTION; EXCAVATION; FRACTURING; MINERALS; POSITIONING; SAFETY; TEMPERATURE RANGE 0273-0400 K; RADIOACTIVE WASTE DISPOSAL; UNDERGROUND DISPOSAL; RADIOACTIVE WASTE FACILITIES; SOIL MECHANICS; GROUND WATER; ROCK-FLUID INTERACTIONS