Relevant bibliographies by topics / Underground Research Laboratory (Canada)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Underground Research Laboratory (Canada)'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Underground Research Laboratory (Canada)"

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Young, R. P., and D. S. Collins. "Seismic studies of rock fracture at the Underground Research Laboratory, Canada." International Journal of Rock Mechanics and Mining Sciences 38, no. 6 (September 2001): 787–99. http://dx.doi.org/10.1016/s1365-1609(01)00043-0.

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Nguyen, Thanh Son. "Progressive Damage of a Canadian Granite in Laboratory Compression Tests and Underground Excavations." Minerals 11, no. 1 (December 24, 2020): 10. http://dx.doi.org/10.3390/min11010010.

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The crystalline rock formations of the Canadian Shield are currently one candidate rock type for the geological disposal of radioactive waste in Canada. This article starts with a critical review of past research results on the geomechanical behaviour of Lac du Bonnet granite, a rock type found at an Underground Research Laboratory (URL) in Pinawa, Manitoba, Canada. Based on the published data, a constitutive model was developed, based on Mohr-Coulomb plasticity, which includes the concept of asynchronous degradation of cohesion and mobilization of friction with progressive damage, as well as time-dependent degradation of strength. The constitutive model was used to simulate laboratory compression tests. It was then implemented in a coupled hydro-mechanical model to simulate the response of the rock mass induced by excavation of a test tunnel at 420 m depth at the URL.
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Šı´lený, J., I. Pšenčı´k, and R. P. Young. "Point-source inversion neglecting a nearby free surface: simulation of the Underground Research Laboratory, Canada." Geophysical Journal International 146, no. 1 (July 2001): 171–80. http://dx.doi.org/10.1046/j.0956-540x.2001.01433.x.

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Fairhurst, C. "Nuclear waste disposal and rock mechanics: contributions of the Underground Research Laboratory (URL), Pinawa, Manitoba, Canada." International Journal of Rock Mechanics and Mining Sciences 41, no. 8 (December 2004): 1221–27. http://dx.doi.org/10.1016/j.ijrmms.2004.09.001.

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Iwata, Takaki, and R. Paul Young. "Tidal Stress/Strain and the b-values of Acoustic Emissions at the Underground Research Laboratory, Canada." Pure and Applied Geophysics 162, no. 6-7 (June 2005): 1291–308. http://dx.doi.org/10.1007/s00024-005-2670-2.

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Brown, A., N. M. Soonawala, R. A. Everitt, and D. C. Kamineni. "Geology and geophysics of the Underground Research Laboratory site, Lac du Bonnet Batholith, Manitoba." Canadian Journal of Earth Sciences 26, no. 2 (February 1, 1989): 404–25. http://dx.doi.org/10.1139/e89-037.

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The lease area of the Atomic Energy of Canada Limited Underground Research Laboratory covers 3.8 km2 and is located 2.5 km north of the south contact of the Lac du Bonnet Batholith. A shaft to 255 m and 130 boreholes up to 1100 m deep expose the third dimension.The underlying granite is largely of two types: (i) pink porphyritic, which may be biotite rich, gneissic, and (or) xenolithic; and (ii) grey homogeneous and equigranular. Composition layering, including xenolith-rich zones, outlines domes along an antiform trending north-northeast through the western part of the lease area. The southeast-dipping flank underlies the eastern half of the site, including the shaft. Axes of folding trend 065 °and 140°. Homogeneous grey granite, being relatively fresh and unfractured, is associated with a magnetic field that is about 100 nT higher and with a resistivity that is up to 5000 Ω∙m higher than those of other units. A pattern of highs in the magnetic field, caused by the high magnetite content of some xenoliths, can be used to map the antiform.Three thrust faults that dip 10–30° east-southeast are partly controlled by the compositional layering. Anomalies in the very low frequency electromagnetic (VLF-EM) field occur at the surface projections of faults. One fault has been mapped at depth by a high-resolution seismic reflection survey. A suite of downhole geophysical methods, including cross-hole seismic, has been used to map discontinuities in boreholes.Subvertical penetrative foliations and pegmatitic dykes are part of the late crystallization fabric, providing (with filled fractures) a continuous deformation history in response to north- to northeast-trending compressive stress.
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Gascoyne, M. "High levels of uranium and radium in groundwaters at Canada's Underground Research Laboratory, Lac du Bonnet, Manitoba, Canada." Applied Geochemistry 4, no. 6 (November 1989): 577–91. http://dx.doi.org/10.1016/0883-2927(89)90068-1.

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Kamineni, D. C., C. F. Chung, J. J. B. Dugal, and R. B. Ejeckam. "Distribution of uranium and thorium in core samples from the Underground Research Laboratory lease area, southeastern Manitoba, Canada." Chemical Geology 54, no. 1-2 (January 1986): 97–111. http://dx.doi.org/10.1016/0009-2541(86)90074-4.

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Hayles, J. G., R. A. Everitt, and D. R. Woodcock. "A 15 kHz cross-hole seismic survey across a fracture at the AECL Underground Research Laboratory." Canadian Journal of Earth Sciences 36, no. 9 (September 1, 1999): 1517–32. http://dx.doi.org/10.1139/e99-047.

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A 15 kHz cross-hole seismic tomography survey was completed between two boreholes that cross a well-known subvertical fracture called the "Room 209 fracture" on the 240 Level of the Atomic Energy of Canada Limited Underground Research Laboratory. This survey measured in situ P- and S-wave velocity and amplitude relations across the fracture between the two boreholes. A velocity anisotropy of about 1.5% (peak-to-peak) exists in the rock mass for both P and S waves. Consistently faster velocities were observed for rays oriented roughly parallel to the Room 209 fracture. This anisotropy is consistent with geological and geotechnical models of microcrack populations for the region. Tomographic velocity images for both the P- and S-waves show a distinct change across the fracture. Higher velocities occur east of the fracture, whereas lower velocities occur to the west. The velocity differences indicate minor changes in the rock structure from one side of the fracture to the other which correlate with observed differences in alteration and fracture frequency. There is a slight reduction in velocity at the fracture itself. A study of seismic amplitudes was also completed. A weak anisotropy also exists in the amplitude data, with higher amplitudes for rays that parallel the fracture direction. The P-wave attenuation ranges between 0.03 and 0.7 dB/m across the survey panel. The region of the fracture shows a subtle increase in the P-wave attenuation of about 0.04 dB/m above the local background. These measurements provide a useful demonstration of the sensitivity of the technique. The results correlate well with geological models and simple physical models for seismic wave propagation in sparsely fractured granite.
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Radhakrishna, H. S., A. M. Crawford, B. Kjartanson, and K. C. Lau. "Numerical modelling of heat and moisture transport through bentonite–sand buffer." Canadian Geotechnical Journal 29, no. 6 (December 1, 1992): 1044–59. http://dx.doi.org/10.1139/t92-122.

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A computer code TRUCHAM developed to model the coupled heat and moisture flow through a porous medium is used to assess the thermohydraulic performance of the clay-based engineered barrier encapsulating nuclear waste containers in a deep geological disposal vault in the borehole emplacement concept. This paper contains an overview of the development of the numerical model and its application to the buffer–container experiment at the Underground Research Laboratory of Atomic Energy of Canada Limited Research. The thermohydraulic transport parameters required for the analysis were determined by specially designed laboratory experiments. The needs for further development of the model and the material properties are identified. Key words : buffer, clay barrier, coupled heat and moisture, heater experiment, numerical model, nuclear waste disposal, thermal diffusivity, unsaturated soil.
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Dissertations / Theses on the topic "Underground Research Laboratory (Canada)"

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Collins, David Stephen. "Excavation induced seismicity in granite rock : a case study at the underground research laboratory, Canada." Thesis, Keele University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389605.

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This study presents a detailed investigation into the microseismic response of a rockmass being excavated in a high stress environment. AECL's Underground Research Laboratory, Manitoba, provided a unique opportunity to non-invasively monitor a tunnel excavation with a 3D microseismic array. The 46 m long cylindrical Mine-by tunnel was excavated at 420 m depth predominantly using a non-blasting method, therefore the damage zone and crack initiation is primarily due to the effect of stress redistribution and concentration following each excavation increment. Both manual and automated source parameter processing techniques are contrasted and used on the data set of over 20000 microseismic events of magnitude, MW =-1.5 to - 4.5. The relatively homogeneous and unfractured nature of the rockmass allowed the validity of fundamental spectral models to be tested. The seismicity is found to extend 1.0 m into the roof and floor regions of the tunnel and 0.8 m ahead of the tunnel face. Spatial and temporal trends in the source parameters are used to compare the seismic response of the two rock types present along the tunnel, namely granite and granodiorite. Seismicity starts earlier and occurs over a shorter time interval in the granite. Additionally, a late second phase of seismicity is found to occur in the granodiorite with these events having a similar magnitude to those at the excavation face. These trends, due to petrofabric and geotechnical differences in the two rock types, are important for safety reasons and mine design. The excellent sensor focal sphere coverage enabled the production of well constrained source mechanism solutions using both first motions and moment tensor analysis methods, and allowed source types to be contrasted with spectral parameters. Seismicity ahead of the tunnel face is predominantly deviatoric and it is concluded that this source type is resulting from movement on face parallel tensile cracks that formed early during the tunnel excavation
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Li, Sirui. "A Study of Corrosion Monitoring Techniques Used in URLs for Metals." Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6624.

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With the increasing use of fission-type nuclear power generation, particularly high-levels radioactive nuclear waste are generated, so the safe use of nuclear energy requires proper disposal of high-level radioactive nuclear waste. The selected treatment method is deep geological disposal. Therefore, underground research laboratory (URL) to prepare for deep geological disposal will also be carried out. Corrosion of metallic materials, which are closely related to the safety of URL, is the focus of this research project. This study selected monitoring techniques for URL and developed a rough monitoring scheme for temperature and resistivity in URL. In this study, corrosion-temperature and corrosion-resistivity monitoring experiments were carried out in different bentonite samples to simulate the experiments in URL. The results show that the self-compensating high-precision inductance corrosion monitoring system and multifunction soil corrosion rate measurer proved to be a good system for monitoring the corrosion-temperature and corrosion-resistivity of metals. However, the life span limitation makes them unable to meet the requirements of URL. The results also show that the corrosion rate of metal in bentonite is positively correlated with temperature. The existing electrochemical probes are suitable for monitoring the corrosion rate, but not suitable for soil corrosion rate monitoring.
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Holowick, Blake. "Instrumentation and monitoring of a full-scale shaft seal installed at atomic energy of canada limited's underground research laboratory." 2010. http://hdl.handle.net/1993/4158.

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Atomic Energy of Canada Limited’s Underground Research Laboratory was built to allow study of concepts for the long-term disposal of Canada’s used nuclear fuel in a deep geological repository. The underground portion of the facility was decommissioned and permanently closed in 2010. Decommissioning included the installation of a seal at the intersection of the access shaft with a hydraulically active fracture zone located at 275 m depth. The objective of the shaft seal is to limit potential groundwater mixing above and below the fracture zone. This project provided a unique opportunity to study the hydro-mechanical evolution of a full-scale shaft seal installed under conditions similar to those in a deep geological repository. This thesis provides an overview of the instrumentation and data logging techniques that have been successfully used to monitor the initial behaviour of the shaft seal in this unique underground environment.
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Books on the topic "Underground Research Laboratory (Canada)"

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Ohta, M. M. AECL's underground research laboratory: Technical achievements and lessons learned. Pinawa, Man: Whiteshell Laboratories, 1997.

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Canada, Atomic Energy of. Program of experiments for the operating phase of the underground research laboratory. Pinawa Man: Atomic Energy of Canada, 1993.

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Paillet, F. L. Fracture characterization and fracture-permeability estimation at the Underground Research Laboratory in southeastern Manitoba, Canada. Denver, Colo: Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1988.

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Canada, Atomic Energy of. Distometer convergence readings in the shaft extension of Atomic Energy of Canada Limited's underground research laboratory. Pinawa, Man: AECL, Whiteshell Laboratories, 1989.

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Canada, Atomic Energy of. Underground Research Laboratory Status Report. S.l: s.n, 1985.

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Strobel, G. S. Lightning damage in the underground research laboratory. Pinawa, Man: AECL, Whiteshell Laboratories, 1994.

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National Research Council of Canada. Atlantic Research Laboratory: National Research Council of Canada. S.l: s.n, 1986.

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Canada, Atomic Energy of. Geology of the Underground Research Laboratory Ventilation Raise. S.l: s.n, 1987.

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Everitt, R. A. Geological characterization for the underground research laboratory shaft extension. Pinawa, Man: AECL, Whiteshell Nuclear Research Establishment, 1990.

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Japan) International Workshop on Horonobe Underground Research Laboratory Project (2004 Horonobe-chō. International Workshop on Horonobe Underground Research Laboratory Project: Record. Tokai-mura, Naka-gun, Ibaraki-ken, Japan: Japan Nuclear Cycle Development Institute, 2004.

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Book chapters on the topic "Underground Research Laboratory (Canada)"

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Elgazzar, S. "Robotics Research at the Laboratory for Intelligent Systems National Research Council of Canada." In Machine Intelligence and Knowledge Engineering for Robotic Applications, 463–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-87387-4_18.

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Delay, Jacques, and Marc Distinguin. "Hydrogeological Investigations in Deep Wells at the Meuse/Haute Marne Underground Research Laboratory." In Engineering Geology for Infrastructure Planning in Europe, 219–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39918-6_26.

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Delay, Jacques, and Martin Cruchaudet. "Hydraulic Monitoring of Low-Permeability Argillite at the Meuse/Haute Marne Underground Research Laboratory." In Engineering Geology for Infrastructure Planning in Europe, 341–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39918-6_40.

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Delouvrier, Jacques, and Jacques Delay. "Multi-level Groundwater Pressure Monitoring at the Meuse/Haute-Marne Underground Research Laboratory, France." In Engineering Geology for Infrastructure Planning in Europe, 377–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39918-6_44.

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Sawada, Atsushi, Hiromitsu Saegusa, and Yuji Ijiri. "Uncertainty in Groundwater Flow Simulations Caused by Multiple Modeling Approaches, at the Mizunami Underground Research Laboratory, Japan." In Dynamics of Fluids and Transport in Fractured Rock, 91–101. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/162gm10.

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Lai, Wallace Wai-Lok. "Underground Utilities Imaging and Diagnosis." In Urban Informatics, 415–38. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8983-6_24.

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AbstractThe invisible and congested world of underground utilities (UU) is an indispensable mystery to the general public because their existence is invisible until problems happen. Their growth aligns with the continuous development of cities and the ever-increasing demand for energy and quality of life. To satisfy a variety of modern requirements like emergency or routine repair, safe dig and excavation, monitoring, maintenance, and upscaling of the network, two basic tasks are always required. They are mapping and imaging (where?), and diagnosis (how healthy?). This chapter gives a review of the current state of the art of these two core topics, and their levels of expected survey accuracy, and looks forward to future trends of research and development (Sects. 24.1 and 24.2). From the point of view of physics, a large range of survey technologies is central to imaging and diagnosis, having originated from electromagnetic- and acoustic-based near-surface geophysical and nondestructive testing methods. To date, survey technologies have been further extended by multi-disciplinary task forces in various disciplines (Sect. 24.3). First, it involves sending and retrieving mechanical robots to survey the internal confined spaces of utilities using careful system control and seamless communication electronics. Secondly, the captured data and signals of various kinds are positioned, processed, and in the future, pattern-recognized with a database to robustly trace the location and diagnose the conditions of any particular type of utilities. Thirdly, such a pattern-recognized database of various types of defects can be regarded as a learning process through repeated validation in the laboratory, simulation, and ground-truthing in the field. This chapter is concluded by briefly introducing the human-factor or psychological and cognitive biases, which are in most cases neglected in any imaging and diagnostic work (Sect. 24.4). In short, the very challenging nature and large demand for utility imaging and diagnostics have been gradually evolving from the traditional visual inspection to a new era of multi-disciplinary surveying and engineering professions and even towards the psychological part of human–machine interaction.
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Ababou, Rachid, Israel Cañamón, and Adrien Poutrel. "Geometric and Statistical Modeling of Fractures in the 3D Disturbed Zone of a Claystone Around a Cylindrical Gallery (Meuse-Haute Marne Underground Research Laboratory, France)." In Lecture Notes in Earth System Sciences, 83–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32408-6_20.

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MARTIN, C. DEREK, and GARY R. SIMMONS. "The Atomic Energy of Canada Limited Underground Research Laboratory: An Overview of Geomechanics Characterization." In Rock Testing and Site Characterization, 915–50. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-08-042066-0.50044-6.

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Wang, J., P. Smeallie, X. Feng, and J. Hudson. "Underground research laboratory network." In Harmonising Rock Engineering and the Environment, 1829–35. CRC Press, 2011. http://dx.doi.org/10.1201/b11646-347.

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Dhar, A. S., and I. D. Moore. "Limit states of buried thermoplastic pipes: laboratory investigations." In Underground Infrastructure Research, 23–30. CRC Press, 2020. http://dx.doi.org/10.1201/9781003077480-4.

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Conference papers on the topic "Underground Research Laboratory (Canada)"

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Koroll, G. W., M. A. Ryz, J. W. Harding, W. R. Ridgway, M. J. Rhodes, and R. H. McCamis. "Decommissioning AECL Whiteshell Laboratories." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4955.

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AECL operates two nuclear R&D laboratories in Canada, Chalk River Laboratories (CRL) near Ottawa, Ontario, and Whiteshell Laboratories (WL), near Winnipeg, Manitoba. Whiteshell Laboratories have been in operation since about 1965. R&D programs carried out at WL included the WR-1 research reactor, which operated from 1965 to 1985, reactor safety research, small reactor development, materials science, post irradiation examination, chemistry, biophysics and radiation applications. The Canadian Nuclear Fuel Waste Management Program was conducted and continues to operate at WL and also at the nearby Underground Research Laboratory. In the late-1990s, AECL began to consolidate research and development activities at CRL and initiated preparations for decommissioning WL. Preparations for decommissioning included a formal environmental assessment under Canadian environmental assessment legislation, a prerequisite to AECL’s application for a decommissioning licence. In 2002 December, the Canadian Nuclear Safety Commission issued a decommissioning licence for WL, valid until December 31, 2008. The licence authorizes the first planned phase of site decommissioning as well as the continuation of selected research programs. The six-year licence for Whiteshell Laboratories is the first overall decommissioning license issued for a Canadian Nuclear Research and Test Establishment and is the longest licence term ever granted for a nuclear installation of this complexity in Canada. The first phase of decommissioning is now underway and focuses on decontamination and modifications to nuclear facilities, such as the shielded facilities, the main R&D laboratories and the associated service systems, to achieve a safe state of storage-with-surveillance. Later phases have planned waste management improvements for selected wastes already in storage, eventually followed by final decommissioning of facilities and infrastructure and removal of most wastes from the site. This paper provides an overview of the planning, environmental assessment, licensing, and organizational processes for decommissioning and selected descriptions of decommissioning activities currently underway at AECL Whiteshell Laboratories.
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Lesko, Kevin T. "North American deep underground laboratories: Soudan Underground Laboratory, SNOLab, and the Sanford Underground Research Facility." In LOW RADIOACTIVITY TECHNIQUES 2015 (LRT 2015): Proceedings of the 5th International Workshop in Low Radioactivity Techniques. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4927978.

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Tsuruta, Tadahiko, Masahiro Uchida, Katsuhiro Hama, Hiroya Matsui, Shinji Takeuchi, Kenji Amano, Ryuji Takeuchi, Hiromitsu Saegusa, Toshiyuki Matsuoka, and Takashi Mizuno. "Current Status of Phase II Investigations: Mizunami Underground Research Laboratory (MIU) Project." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16262.

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The Mizunami Underground Research Laboratory (MIU) Project, a comprehensive research project investigating the deep underground environment in crystalline rock, is being conducted by the Japan Atomic Energy Agency at Mizunami City, Central Japan. The MIU Project is being carried out in three overlapping phases: Surface-based Investigation (Phase I), Construction (Phase II), and Operation (Phase III), with a total duration of 20 years. The overall project goals of the MIU Project from Phase I through to Phase III are: 1) to establish techniques for investigation, analysis and assessment of the deep geological environment, and 2) to develop a range of engineering techniques for deep underground application. Phase I was completed in March 2004, and Phase II investigations associated with the construction of the underground facilities are currently underway. Phase II investigation goals are to evaluate the geological, hydrogeological, hydrogeochemical and rock mechanical models developed in Phase I and to assess changes in the deep geological environment caused by the construction of underground facilities. Geological mapping, borehole investigations for geological, hydrogeological, hydrochemical and rock mechanical studies are being carried out in shafts and research galleries in order to evaluate the models. Long-term monitoring of changes in groundwater chemistry and pressure associated with the construction of the underground facilities continue in and around the MIU site, using existing boreholes and monitoring systems. This report summarizes the current status of the MIU Project on results of the Phase II investigations to date.
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Sanada, Hiroyuki, Takahiro Nakamura, and Yutaka Sugita. "In Situ Stress Measurements in Siliceous Mudstones at Horonobe Underground Research Laboratory, Japan." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40019.

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The stress measurement methods implemented during the surface-based investigations and during construction of the underground facilities in the Horonobe mudstones, as well as information on the initial stress state around the Horonobe URL, are described in this paper. During the surface-based investigations, determination of deep in situ stress was conducted using HF, BB information in deep boreholes and core-based methods such as AE and DSCA. During construction of the underground facilities, subsurface investigations utilizing CCBO, HTPF and the monitoring of spalling around the shafts were conducted in order to verify results from initial stress measurements in the surface-based investigations. HF results indicate that magnitude of the horizontal maximum and minimum principal stresses increases linearly with depth. The maximum principal stress estimated from the HF and borehole breakout data is almost E-W. This is similar to the tectonic movement direction in the vicinity of the Horonobe URL. Due to tectonic movement, horizontal maximum stress is almost 1.5 times larger than the horizontal minimum stress. The minimum horizontal principle stress is almost equivalent to overburden pressure. Stress condition determined from HTPF in the investigations during construction of the underground facilities is almost equal to the results during surface-based investigations.
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Wileveau, Yannick, Kun Su, and Mehdi Ghoreychi. "A Heating Experiment in the Argillites in the Meuse/Haute-Marne Underground Research Laboratory." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7276.

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A heating experiment named TER is being conducted with the objectives to identify the thermal properties, as well as to enhance the knowledge on THM processes in the Callovo-Oxfordian clay at the Meuse/Haute Marne Underground Research Laboratory (France). The in situ experiment has being switched on from early 2006. The heater, 3 m length, is designed to inject the power in the undisturbed zone at 6 m from the gallery wall. A heater packer is inflated in a metallic tubing. During the experiment, numerous sensors are emplaced in the surrounding rock and are experienced to monitor the evolution in temperature, pore-water pressure and deformation. The models and numerical codes applied should be validated by comparing the modeling results with the measurements. In parallel, some lab testing have been achieved in order to compare the results given with two different scales (cm up to meter scale). In this paper, we present a general description of the TER experiment with installation of the heater equipment and the surrounding instrumentation. Details of the in situ measurements of temperature, pore-pressure and strain evolutions are given for the several heating and cooling phases. The thermal conductivity and some predominant parameters in THM processes (as linear thermal expansion coefficient and permeability) will be discussed.
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Kunimaru, Takanori, Ryuji Takeuchi, and Tatsuji Matsuzaki. "Technical Know-How of Selection Process for the Horonobe Underground Research Laboratory Area and Site." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59088.

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This study demonstrates the selection process for the Horonobe URL based on surveys of existing information and geophysical surveys on a regional scale. In addition, preliminary requirements on the geological environment, safety (during construction of the underground facility) and social and environmental constraints were taken into consideration. The technical know-how utilised through the experiences for the site selection is described here. The proposed Horonobe URL site required the existence of argillaceous sedimentary formations and associated groundwater. Further fundamental requirements were appropriate rock mechanical properties and low gas content in the host rock to meet safe underground construction and operation regulations. This led to a stepwise narrowing down from several potential URL areas located completely within the Horonobe District to one candidate URL area and, finally, to a specific URL site. In the URL investigation area (ca. 3 km × 3 km) the main surface-based investigations were conducted as the first step to choosing the actual URL site. This was selected based on establishing fundamental factors related to the geological environment, safety and societal issues. This paper provides an outline of the process utilised in selecting the URL site by taking into consideration technical and social requirements. Thus stepwise approach and experience in selecting the URL site will be applicable when NUMO needs to select a site through literature surveys, and preliminary and detailed investigations in the future.
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McCrank, Glen F., Kenji Amano, Kaoru Koide, Hiroya Matsui, Shinichiro Mikake, Katsushi Nakano, Kunio Ota, et al. "Mizunami Underground Research Laboratory in Japan: Pre-Excavation Site Characterization and Influence on Design Concepts." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1044.

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Abstract The Mizunami Underground Research Laboratory (MIU) will be constructed by the Japan Nuclear Cycle Development Institute (JNC) in central Japan. The project is planned in three overlapping phases consisting of I) Surface-based Investigation II) Construction and III) Operations Phases. This paper addresses the methods used to investigate the geological environment, the integration of the site knowledge into conceptual models and the application of the knowledge in designing the facility; some aspects of the future experimental programme are discussed.
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Astarinadya, Febrina, Harinaldi, and Yulianto Sulistyo Nugroho. "Effect of natural ventilation on visibility in a laboratory scale underground tunnel simulation." In RECENT PROGRESS ON: MECHANICAL, INFRASTRUCTURE AND INDUSTRIAL ENGINEERING: Proceedings of International Symposium on Advances in Mechanical Engineering (ISAME): Quality in Research 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0003087.

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9

Saegusa, Hiromitsu, Hironori Onoe, Shinji Takeuchi, Ryuji Takeuchi, and Takuya Ohyama. "Hydrogeological Characterization on Surface-Based Investigation Phase in the Mizunami Underground Research Laboratory Project, in Japan." In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7117.

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The Mizunami Underground Research Laboratory (MIU) project is being carried out by Japan Atomic Energy Agency in the Cretaceous Toki granite in the Tono area, central Japan. The MIU project is a purpose-built generic underground research laboratory project that is planned for a broad scientific study of the deep geological environment as a basis of research and development for geological disposal of nuclear wastes. One of the main goals of the MIU project is to establish comprehensive techniques for investigation, analysis, and assessment of the deep geological environment. The MIU project has three overlapping phases: Surface-based Investigation (Phase I), Construction (Phase II) and Operation (Phase III). Hydrogeological investigations using a stepwise process in Phase I have been carried out in order to obtain information on important properties such as, location of water conducting features, hydraulic conductivity and so on. Hydrogeological modeling and groundwater flow simulations in Phase I have been carried out in order to synthesize these investigation results, to evaluate the uncertainty of the hydrogeological model and to identify the main issues for further investigations. Using the stepwise hydrogeological characterization approach and combining the investigation with modeling and simulation, understanding of the hydrogeological environment has been progressively improved.
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Nakayama, Masashi, Haruo Sato, Yutaka Sugita, Seiji Ito, Masashi Minamide, and Yoshito Kitagawa. "Low Alkaline Cement Used in the Construction of a Gallery in the Horonobe Underground Research Laboratory." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40038.

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In Japan, any high level radioactive waste (HLW) repository is to be constructed at over 300 m depth below surface. Tunnel support is used for safety during the construction and operation, and shotcrete and concrete lining are used as the tunnel support. Concrete is a composite material comprised of aggregate, cement and various admixtures. Low alkaline cement has been developed for the long term stability of the barrier systems whose performance could be negatively affected by highly alkaline conditions arising due to cement used in a repository. Japan Atomic Energy Agency (JAEA) has developed a low alkaline cement, named as HFSC (Highly Fly-ash Contained Silicafume Cement), containing over 60 wt% of silica-fume (SF) and fly-ash (FA). HFSC was used experimentally as the shotcrete material in construction of part of the 140m deep gallery in the Horonobe Underground Research Laboratory (URL). The objective of this experiment was to assess the performance of HFSC shotcrete in terms of mechanics, workability, durability, and so on. HFSC used in this experiment is composed of 40 wt% OPC (Ordinary Portland Cement), 20 wt% SF, and 40 wt% FA. This composition was determined based on mechanical testing of various mixes of the above components. Because of the low OPC content, the strength of HFSC tends to be lower than that of OPC. The total length of tunnel using HFSC shotcrete is about 73 m and about 500 m3 of HFSC was used. The workability of HFSC shotcrete was confirmed in this experimental construction.
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Reports on the topic "Underground Research Laboratory (Canada)"

1

Lau, J. S. O. Biaxial tests of some overcored samples from AECL's underground research laboratory, Lac du Bonnet, Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/325877.

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Coderre, J. M., M. D. Thomas, R. A. Gibb, and S. L. Fogarasi. In Situ Density Determinations By Gravity Measurements in the Underground Research Laboratory Shaft, Lac Du Bonnet Granite Batholith, Manitoba. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/122489.

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3

Sassani, David C., Ernest L. Hardin, Kristopher L. Kuhlman, and Robert J. MacKinnon. Field-scale Thermal Testing in a Generic Salt Disposal Environment Underground Research Laboratory (URL): Delineation of Principal Purpose Objectives and Hypotheses. Office of Scientific and Technical Information (OSTI), February 2015. http://dx.doi.org/10.2172/1170401.

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4

Fracture characterization and fracture-permeability estimation at the underground research laboratory in southeastern Manitoba, Canada. US Geological Survey, 1988. http://dx.doi.org/10.3133/wri884009.

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