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Fukui, Kenzo*
JNC TJ7400 2005-038, 162 Pages, 2004/03
JNC-TJ7400-2005-038.PDF:77.09MB
The heat characteristic test and the fracture toughness test were made about the following item with this case by using the core from borehole MIZ-1. These tests are a part of the investigation research of the investigation prediction research grade from the surface of the earth in the underground laboratory plan, and aim at grasping the heat character and the fracture toughness of the rock to the depth 500m in Toki Granite. The samples for 5-depth were used in each tests. *The heat characteristic test. Thermal conductivity, Specific heat, Coefficient of thermal expansion. *The fracture toughness test. Level I 
Round Bar Bending Method. Main results of the experimental study are concluded as following. (1)The results that could get them in the heat characteristic tests were the degree that they were the same as previous values. (2)Though it could get the result that the tendency that it was partly different was shown in, it thinks by the heat characteristic test value with the influence such as mineral formation, hydrothermal alteration, and shear crack band. (3)The thermal conductivity and the coefficient of thermal expansion showed a tendency of decreasing on the whole in the depth direction. On the other hand, the specific heat got about fixed results, not based on the depth. (4)The space of the depth 300-400mabh (meter along bore hole) was compared with the upper 3-depth as a border, and the decline of the value of the lower 2-depth was remarkable as for the stress intensity factor that could get it in the fracture toughness test. As for other dynamics material value as well, the same tendency was confirmed.
*; *; *
JNC TJ7440 2000-011, 167 Pages, 2000/03
JNC-TJ7440-2000-011.pdf:13.09MB
no abstracts in English
*; *
JNC TJ7440 2000-004, 52 Pages, 2000/03
JNC-TJ7440-2000-004.pdf:12.62MB
no abstracts in English
Xue, Z.*
JNC TJ7430 2000-003, 133 Pages, 2000/02
JNC-TJ7430-2000-003.pdf:9.54MB
no abstracts in English
Nakashima, Yukifusa*; Sakai, Yukio*; Sasao, Masayasu*
JNC TJ7440 99-013, 47 Pages, 1999/03
no abstracts in English
Nakashima, Yukifusa*; Sakai, Yukio*; Sasao, Masayasu*
JNC TJ7440 99-002, 244 Pages, 1999/01
no abstracts in English
Nakashima, Yukifusa*; Sasao, Masayasu*; Sakai, Yukio*
PNC TJ7411 97-001, 59 Pages, 1997/03
None
Nakashima, Yukifusa*; Sakai, Yukio*; Sasao, Masayasu*
JNC TJ7440 99-021, 294 Pages, 1996/11
no abstracts in English
Nakashima, Yukifusa*; Sakai, Yukio*; *
PNC TJ7411 96-002, 68 Pages, 1996/03
no abstracts in English
Hosobori, Kenji*; Toyooka, Yoshinori*; Sakai, Yukio*
PNC TJ1411 93-001, 945 Pages, 1993/01
None
Toyooka, Yoshinori*; Hosobori, Kenji*
JNC TJ7400 2005-062, 307 Pages, 1992/02
JNC-TJ7400-2005-062.pdf:71.63MB
None
Sakai, Yukio*; Tange, Yoshiki*
JNC TJ7400 2005-061, 377 Pages, 1992/02
JNC-TJ7400-2005-061.pdf:89.05MB
None
Kisojiban Consultants*
JNC TJ7420 2005-126, 36 Pages, 1989/09
JNC-TJ7420-2005-126.PDF:3.35MB
This report is a summary of the result to sample groundwater by using the JFT type's groundwater sampler in the AN-5 borehole to understand a geochemical characteristic of groundwater in the Tsukiyoshi mine.