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JAEA Reports

Horonobe Underground Research Laboratory Project; Investigation program for the 2008 fiscal year (Translated document)

Nakayama, Masashi; Sanada, Hiroyuki; Yamaguchi, Takehiro*; Sugita, Yutaka

JAEA-Review 2010-044, 39 Pages, 2010/11

JAEA-Review-2010-044.pdf:6.68MB

The Horonobe URL Project is planned to extend over a period of 20 years. The investigations will be conducted in three phases, namely "Phase 1: Surface-based investigations", "Phase 2: Construction phase" (investigations during construction of the underground facilities) and "Phase 3: Operation phase" (research in the underground facilities). This report summarizes the investigation program for the 2008 fiscal year (2008/2009), the 4th year of the Phase 2 investigations.

JAEA Reports

Collection of URL measurement data in 2007 at the Horonobe Underground Research Laboratory Project

Yamazaki, Masanao; Funaki, Hironori; Yamaguchi, Takehiro*; Niinuma, Hiroaki; Fujikawa, Daisuke; Sanada, Hiroyuki; Hiraga, Naoto; Tsusaka, Kimikazu

JAEA-Data/Code 2008-023, 136 Pages, 2008/11

JAEA-Data-Code-2008-023.pdf:17.08MB

This report summarizes the measurements data acquired at the Ventilation Shaft, the East Shaft and the drifts in 2007 based on the Observational Construction Program. The report summarizes for the purpose of the followings: sharing the investigation and measurements data, preventing the loss of them and acquisition the basic data for carrying out the Observational Construction Program.

JAEA Reports

Horonobe Underground Research Laboratory Project; Investigation program for the 2007 fiscal year (Translated document)

Matsui, Hiroya; Nakayama, Masashi; Sanada, Hiroyuki; Yamaguchi, Takehiro

JAEA-Research 2008-070, 38 Pages, 2008/09

JAEA-Research-2008-070.pdf:12.62MB

In the 2007 fiscal year, investigations in "geoscientific research" is continuously carried out. Investigations in "research and development on geological disposal technology" is also continuously carried out. Construction of the underground facilities is ongoing at Ventilation Shaft and East Shaft. Pre-boring around Ventilation Shaft is also carried out. Regarding the surface facilities, construction of the Public Information House and preparation of the exhibits are still continuing and will be completed in May 2007. Public Information House will be scheduled to open in this summer. A detailed design will be drawn up for the International Communication House.

JAEA Reports

Measurement plan and observational construction program on drift excavation at the Horonobe Underground Research Laboratory Project

Yamazaki, Masanao; Yamaguchi, Takehiro; Funaki, Hironori; Fujikawa, Daisuke; Tsusaka, Kimikazu

JAEA-Research 2008-068, 45 Pages, 2008/09

JAEA-Research-2008-068.pdf:3.76MB

This report summarizes the measurement plan during construction of the underground facility based on the design in advance and the observational construction program for feedback measurements data into design and construction on subsequent steps. This report also describes about design and construction management program for contractor of underground facilities.

JAEA Reports

Horonobe Underground Research Laboratory Project investigation program for the 2008 fiscal year

Nakayama, Masashi; Sanada, Hiroyuki; Yamaguchi, Takehiro; Sugita, Yutaka

JAEA-Research 2008-063, 37 Pages, 2008/09

JAEA-Research-2008-063.pdf:11.68MB

As part of the research and development program on geological disposal of HLW, the Horonobe Underground Research Center, a division of the JAEA, is implementing the Horonobe Underground Research Laboratory Project (Horonobe URL Project) with the aim of investigating sedimentary rock formations. According to the research plan described in the Midterm Plan of JAEA, geological investigations are to be carried out during the drilling of a shaft down to intermediate depth, while research and development in the areas of engineering technology and safety assessment are to be promoted by collaboration with other research organizations. The results of the R&D activities will be systematized as a "knowledge base" that supports a wide range of arguments related to the safety of geological disposal. The Horonobe URL Project is planned to extend over a period of 20 years. The investigations will be conducted in three phases, namely "Phase 1: Surface-based investigations", "Phase 2: Construction phase" and "Phase 3: Operation phase". This report summarizes the investigation program for the 2008 fiscal year (2008/2009), the 4th year of the Phase 2 investigations. In the 2008 fiscal year, investigations in "geoscientific research" and "research and development on geological disposal technology" are continuously carried out. Construction of the underground facilities is ongoing at Ventilation Shaft and Access Shaft (East). Pre-boring around Ventilation Shaft is also carried out Regarding the surface facilities, construction of the International Communication House will be started.

JAEA Reports

Support design of underground facilities in the Horonobe Underground Research Laboratory project

Morioka, Hiroshi*; Yamazaki, Masanao; Matsui, Hiroya; Orukawa, Go*; Yamaguchi, Takehiro

JAEA-Research 2008-009, 263 Pages, 2008/07

JAEA-Research-2008-009.pdf:32.63MB

On the "Development of engineering techniques for use in the deep underground environment" in Phase 1, based on the various type of data acquired on investigations from the surface, basic design of underground facilities in advance was carried out. This report summarizes the support design of underground facilities carried out in 2004.

JAEA Reports

Collection of URL measurement data in 2006 at the Horonobe Underground Research Laboratory project

Kumagai, Yasuhito; Funaki, Hironori; Yamazaki, Masanao; Yamaguchi, Takehiro; Orukawa, Go*; Sanada, Hiroyuki; Abe, Hironobu

JAEA-Data/Code 2007-025, 106 Pages, 2008/07

JAEA-Data-Code-2007-025.pdf:12.75MB

The shafts in construction of the underground facilities were started in earnest in 2006. The measurement plan applied to measurements in the underground facilities for validation of the geological environmental model was drew up and was carried out. This data code summarizes the measurements data acquired in 2006 of Phase 2 (investigations during construction of the underground facilities).

JAEA Reports

Horonobe Underground Research Laboratory project investigation program for the 2007 fiscal year

Matsui, Hiroya; Nakayama, Masashi; Sanada, Hiroyuki; Yamaguchi, Takehiro

JAEA-Research 2007-048, 36 Pages, 2007/07

JAEA-Research-2007-048.pdf:13.4MB

As part of the research and development program on geological disposal of HLW, the Horonobe Underground Research Center, a division of the JAEA is implementing the Horonobe URL Project with the aim of investigating sedimentary rock formations. The Horonobe URL Project is planned to extend over a period of 20 years. The investigations will be conducted in three phases. In the 2007 fiscal year, investigations in Geoscientific Research is continuously carried out. Investigations in R&D on Geological Disposal Technology is also continuously carried out. Construction of the underground facilities is ongoing at Ventilation Shaft and Access Shaft (East). Pre-boring around Ventilation Shaft is also carried out. Construction of the Public Information House and preparation of the exhibits are still continuing and will be completed in May 2007. Public Information House will be scheduled to open in summer. An execution design will be drawn up for the International Communication House.

JAEA Reports

Measurement plan and observational construction program on shaft excavation at the Horonobe Underground Research Laboratory Project

Morioka, Hiroshi; Yamaguchi, Takehiro; Funaki, Hironori; Orukawa, Go

JAEA-Research 2007-050, 60 Pages, 2007/06

JAEA-Research-2007-050.pdf:5.29MB

JAEA is carrying out phased investigation in Horonobe. This investigation, named as "Horonobe Underground Research Laboratory Project" (Horonobe URL Project) targeting sedimentary formations, is intended to confirm the reliability of technologies on geological disposal of High-Level Radioactive Waste (HLW) by applying them into in-situ geological environment. On the "Development of engineering techniques for use in the deep underground environment" in Phase 1 of the Horonobe URL project, based on the various type of data acquired on investigations from the surface, basic design of underground facilities in advance was carried out. This report summarizes the measurement plan during construction of the underground facility based on the design in advance and the observational construction program for feedback measurements data into design and construction on subsequent steps. This report also describes about design and construction management program for contractor of underground facilities. The measurement plan described in this document is applied to measurements in the underground facilities for validation of the geological environmental model. Then, it will be verified the validity by application into actual construction and will be systematized with modification when necessary.

JAEA Reports

Horonobe Underground Research Laboratory project synthesis of phase I investigations 2001-2005 volume "Geoscientific Research"

Ota, Kunio; Abe, Hironobu; Yamaguchi, Takehiro; Kunimaru, Takanori; Ishii, Eiichi; Kurikami, Hiroshi; Tomura, Goji; Shibano, Kazunori; Hama, Katsuhiro; Matsui, Hiroya; et al.

JAEA-Research 2007-044, 434 Pages, 2007/03

JAEA-Research-2007-044.pdf:54.58MB
JAEA-Research-2007-044(errata).pdf:0.08MB

The Horonobe URL Project started in 2000. Research and development activities are planned over three phases, that will span a total duration of about 20 years: the 1st surface-based investigarion phase (6 years), the 2nd URL construction phase (8 years) and rhe 3rd operation phase (12 years). Geological, geophysical, geo-mechanical, hydrogeological, and hydro-geochemical investigations have been carried out during the surface-based investigation.

JAEA Reports

Horonobe Underground Research Laboratory Project; Investigation program for the 2006 fiscal year (Translated document)

Matsui, Hiroya; Niizato, Tadafumi; Yamaguchi, Takehiro

JAEA-Research 2007-041, 40 Pages, 2007/02

JAEA-Research-2007-041.pdf:13.17MB

As part of the R&D program on geological disposal of HLW, the Horonobe Underground Research Center, a division of the JAEA, is implementing the Horonobe URL Project for sedimentary formations. This Project is planned to extend over a period of 20 years. The investigations are to be conducted in three phases. This report summarizes the investigation program for the FY2006. The investigations in FY2006 are focused on the Hokushin area in Horonobe, which was selected as the area for URL construction. The main investigation region extends over approximately 3km$$times$$3km. Construction of the underground facilities is continued and Phase 2 investigations are carried out. Concerning the surface facilities, construction of Research and Administration Facility and Test Facility, will be complete in May, 2006. Construction of Public Information House is continued and fabrications of the exhibits are initiated. The preliminary design of International Communication House is carried out.

JAEA Reports

Horonobe Underground Research Laboratory project investigation program for the 2006 fiscal year

Matsui, Hiroya; Niizato, Tadafumi; Yamaguchi, Takehiro

JAEA-Research 2006-074, 36 Pages, 2006/11

JAEA-Research-2006-074.pdf:12.62MB

The Horonobe URL Project is planned to extend over a period of 20 years. The investigations will be conducted in three phases, namely "Phase 1: Surface-based investigations", "Phase 2: Construction phase" (investigations during construction of the underground facilities) and "Phase 3: Operation phase" (research in the underground facilities). This report summarizes the investigation program for the 2006 fiscal year (2006/2007), the second year of the Phase 2 investigations. The investigations in the 2006 fiscal year are focused on the Hokushin area of Horonobe, which was selected as the area for URL construction. The main investigation region extends over approximately 3km$$times$$3km. Construction of the underground facilities, which was initiated in the 2005 fiscal year, is ongoing and Phase 2 investigations are underway. A progress report on the surface-based investigations (Phase 1) is also being prepared. Regarding the surface facilities, construction of the Research and Administration Facility and the Test Facility will be completed in May 2006. Construction of the Public Information House is still continuing and preparation of the exhibits has started. A preliminary design will be drawn up for the International Communication House.

JAEA Reports

Horonobe Underground Research Laboratory Project; Investigation report for the 2005 fiscal year

Matsui, Hiroya; Niizato, Tadafumi; Yamaguchi, Takehiro

JAEA-Research 2006-073, 72 Pages, 2006/11

JAEA-Research-2006-073.pdf:16.91MB
JAEA-Research-2006-073(errata).pdf:0.08MB

The investigations in 2005 fiscal year (2005/2006) were focused on the Hokushin area, which was selected as the area for laboratory construction. The main investigation region extends over approximately 3km$$times$$3km. Geophysical, geological and surface hydrogeological investigations are carried out to acquire the geoscientific data needed to develop techniques for investigating the geological environment. And the borehole investigation at HDB-11 was finished in 2005.

JAEA Reports

Debriefing Session on Horonobe Underground Research Laboratory Project -Record-

Hama, Katsuhiro; SEYA, Masami; Yamaguchi, Takehiro

JNC-TN5400 2005-007, 93 Pages, 2005/07

JNC-TN5400-2005-007.pdf:38.79MB
JNC-TN5400-2005-007(errata).pdf:0.08MB

Japan Nuclear Cycle Development Institute (JNC) is ongoing

JAEA Reports

None

Yamaguchi, Takehiro

JNC-TN5400 2005-002, 47 Pages, 2005/06

JNC-TN5400-2005-002.pdf:5.66MB

None

JAEA Reports

Horonobe Underground Research Laboratory Project Investigation Program for the 2005 Fiscal Year (2005/2006)

Hama, Katsuhiro; SEYA, Masami; Yamaguchi, Takehiro

JNC-TN5510 2005-002, 29 Pages, 2005/05

JNC-TN5510-2005-002.pdf:6.44MB

The Horonobe Underground Research Laboratory Project is planned to extend over 20 years. Investigations will be conducted in three phases, namely from the surface (Phase 1), during construction of the underground facility (Phase 2) and in the underground facility itself (Phase 3). The 2005 fiscal year is the sixth (and final) year of the Phase 1 investigations and the first year of the Phase 2 investigations.Geophysical, geological, surface hydrogeological and borehole investigations are being carried out in order to develop techniques for exploring the geological environment. Based on the acquired data, geoscientific models are being constructed, revised and verified.As part of the development of techniques for monitoring the geological environment, long-term monitoring of groundwater pressures is ongoing in a borehole equipped in a previous investigation phase. Long-term monitoring systems are also being installed in the remaining boreholes at the site and measurements are ongoing. A remotely operated monitoring system (ACROSS) is also being installed and tested. Studies on the long-term stability of the geological environment include monitoring with seismographs, GPS and electromagnetic surveys. Engineering techniques for application in the deep underground environment will be developed during construction of the underground facilities. To provide input for detailed planning of the Phase 2 and 3 investigations, laboratory tests are being carried out on tunnel reinforcement materials. With a view to improving their reliability, safety assessment methods are being examined using field and laboratory data. Construction of the surface facilities, initiated in the previous fiscal year, is ongoing and the work on the public exhibition hall has now started. Environmental monitoring is ongoing, as is collaboration with domestic and overseas research institutes.

JAEA Reports

Horonobe Underground Research Laboratory Project Plan of the Investigation Program for the 2004 Fiscal Year (2004/2005)

Hama, Katsuhiro; Amemiya, Keiji; Yamaguchi, Takehiro

JNC-TN5510 2005-001, 26 Pages, 2004/04

JNC-TN5510-2005-001.pdf:10.31MB

The Horonobe Underground Research Laboratory Project is planned to extend over 20 years. Investigations will be conducted in three phases, namely from the surface (Phase 1), during construction of the underground facility (Phase 2) and in the underground facility itself (Phase 3). The 2004 fiscal year is the fifth year of the Phase 1 surface-based investigations.Geophysical, geological, surface hydrogeological and borehole investigations are being carried out in order to develop techniques for exploring the geological environment. Geoscientific models are being constructed, revised and verified based on the acquired data. As part of the development of techniques for monitoring the geological environment, long-term monitoring of groundwater pressures is ongoing in a borehole equipped in a previous investigation phase. Long-term monitoring systems are also being installed in the remaining boreholes at the site and measurements are ongoing. Development of a remotely operated monitoring system (ACROSS) is also continuing. Studies on the long-term stability of the geological environment include monitoring with seismographs, GPS and electromagnetic surveys. With a view to developing engineering techniques for application in the deep underground environment, a basic design for the underground facility has been defined. To provide input for the detailed planning of the Phase 2 and 3 investigations, laboratory tests are being carried out on the transportation and emplacement of the engineered barriers and on tunnel reinforcement materials. With a view to improving their reliability, the appropriateness of safety assessment methods is being examined using field and laboratory data. The design of the surface facilities has been defined and construction work has begun. Environmental monitoring is ongoing, as is collaboration with domestic and overseas research institutes.

Oral presentation

Estimation of the amount of soil erosion using suspended sediment load; An Example in the Horonobe area, northern Hokkaido

Seno, Shoji; Niizato, Tadafumi; Kurikami, Hiroshi; Yasue, Kenichi; Yabuuchi, Satoshi; Hara, Minoru; Kunimaru, Takanori; Nakayama, Masashi; Funaki, Hironori; Yamaguchi, Takehiro

no journal, , 

We should estimate ten-thousand-year stability of geological environment to meet the geological disposal of high level radioactive waste. Especially groundwater flow plays an important role because it might cause migration of nuclides. Since long term transitions of geology and topography may influence hydrogeological conditions such as hydraulic gradient and hydraulic conductivities, estimations of vertical displacement rate and erosion rate are also important. This report discusses the method to estimate an amount of erosion in the future based on suspended sediment concentration in rivers as an example in Horonobe area, northern part of Hokkaido.

Oral presentation

Outline for the Horonobe Underground Research Laboratory project synthesis of phase I investigations 2001 - 2005

Kunimaru, Takanori; Ota, Kunio; Abe, Hironobu; Yamaguchi, Takehiro; Ishii, Eiichi; Kurikami, Hiroshi; Tomura, Goji; Shibano, Kazunori; Hama, Katsuhiro; Matsui, Hiroya; et al.

no journal, , 

The Horonobe Underground Research Laboratory (URL) Project is being pursued by the Japan Atomic Energy Agency (JAEA) to enhance the reliability of relevant disposal technologies through investigations of the deep geological environment within the host sedimentary formations at Horonobe, northern Hokkaido. The project consists of two major research areas, "Geoscientific Research" and "R&D on Geological Disposal", and proceeds in three overlapping phases, "Phase I: Surface-based investigation", "Phase II: Construction" and "Phase III: Operation", over a period of 20 years. The present report summarises the results of the Phase I geoscientific research carried out from March 2001 to March 2005. Integration of work from different disciplines into a "geosynthesis" ensures that the Phase I goals have been successfully achieved and identifies key issues that need to be addressed in the Phase II/III investigations.

Oral presentation

Horonobe Underground Research Laboratory Project synthesis of phase 1 investigations 2001-2005; Development of engineering technologies for the deep geological environment

Sanada, Hiroyuki; Hanakawa, Toshiyuki; Ota, Kunio; Abe, Hironobu; Yamaguchi, Takehiro; Kunimaru, Takanori; Ishii, Eiichi; Kurikami, Hiroshi; Tomura, Goji; Shibano, Kazunori; et al.

no journal, , 

no abstracts in English

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