Investigation of Coupled Processes and Impact of High Temperature Limits in Argillite Rock: FY17 Progress. Predecisional Draft

Zheng, Liange; Rutqvist, Jonny; Xu, Hao; Kim, Kunwhi; Voltolini, Marco; Cao, Xiaoyuan

doi:10.2172/1393630

Cited by 4 publications

(6 citation statements)

References 81 publications

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“…One of the main results reported was the fact that a tortuosity parameter as low as τ = 0.14 was applied in order to obtain good match for the evolution of relative humidity in the buffer. In the FY2017 milestone report (Zheng et al, 2017), we found that this value of tortuosity (τ = 0.14) still holds true for up to two years of heating and for a number of monitoring points at all three heaters.…”

Section: Simulation Results With Comparison To Monitored Datamentioning

confidence: 74%

“…In FY2017, an anisotropic damage model named Deviatoric Stress Induced Damage (DSID) was implemented into the simulator to account for crack propagation due to microstructure changes (Zheng et al, 2017). This new damage model is hyper-elastic, i.e., the stress-strain relationship was derived from the expression of a thermodynamic potential, and was derived based on Continuum Damage Mechanics (CDM), which avoids to model cracks at the micro-scale, as opposed to micro-mechanics.…”

Section: Anisotropic Continuum Damage Modelmentioning

confidence: 99%

“…In the FY2017 SFWSD milestone report (Zheng et al, 2017), we updated model simulations with comparison to monitoring data extended to more than two years, including additional comparison for monitoring points located at other sections along the tunnel, i.e., comparisons made at monitoring sections located at all three heaters. The agreement between modeling and experimental data for temperature and relatively humidity was generally good, though some disagreement was found related to the relative humidity evolution in the bentonite blocks below the heaters.…”

Section: Progress Of Lbnl Modeling Of Fe Experimentsmentioning

confidence: 99%

“…The reason for that could be that the position of P4 is slightly inaccurate when interpolation is used in the numerical method. Because the analytical solution of stresses in Booker and Savvidou (1985) is not correct, the stress results were not displayed in our FY2017 milestone report (Zheng et al, 2017). In FY2018, the analytical solution for stresses has been derived based on the methodology in Booker and Savvidou's paper.…”

Section: Volumetric Coefficient Of Thermal Expansion Of Water [1/k]mentioning

confidence: 99%

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Investigation of Coupled Processes in Argillite Rock: FY18 Progress

Rutqvist

Kim

et al. 2018

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In some cases there may be a milestone where an item is being fabricated, maintenance is being performed on a facility, or a document is being issued through a formal document control process where it specifically calls out a formal review of the document. In these cases, documentation (e.g., inspection report, maintenance request, work planning package documentation or the documented review of the issued document through the document control process) of the completion of the activity, along with the Document Cover Sheet, is sufficient to demonstrate achieving the milestone. NOTE 2: If QRL 1, 2, or 3 is not assigned, then the QRL 4 box must be checked, and the work is understood to be performed using laboratory specific QA requirements. This includes any deliverable developed in conformance with the respective National Laboratory / Participant, DOE or NNSA-approved QA Program NOTE 3: If the lab has an NQA-1 program and the work to be conducted requires an NQA-1 program, then the QRL-1 box must be checked in the work Package and on the Appendix E cover sheet and the work must be performed in accordance with the Lab's NQA-1 program. The QRL-4 box should not be checked

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Section: Simulation Results With Comparison To Monitored Datamentioning

confidence: 74%

Section: Anisotropic Continuum Damage Modelmentioning

confidence: 99%

Section: Progress Of Lbnl Modeling Of Fe Experimentsmentioning

confidence: 99%

Section: Volumetric Coefficient Of Thermal Expansion Of Water [1/k]mentioning

confidence: 99%

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Investigation of Coupled Processes in Argillite Rock: FY18 Progress

Rutqvist

Kim

et al. 2018

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“…The Mont Terri Project is an intemational research project to study the hydrogeological, geochemical, and geotechnical properties of the Opalinus Clay formation at the Mont Terri URL in Switzerland. Many field experiments have been conducted at the Mont Terri URL but the following information, taken from SFWST milestone deliverable SFWD-SFWST-2017-000040 of the US DOE SFWST campaign (Zheng et al 2017), is focused on the FE (full-scale) heater experiment to be undertaken by NAGRA. The FE heater test experiment is relevant to US DOE disposal concepts given its overall target temperatures of above 100°C and its relatively large scale.…”

Section: 21x2 the Mont Terri Underground Research Laboratory (Urmentioning

confidence: 99%