Intermediate scale borehole (Room C): In situ data report (January 1989--June 1993)

Munson, D.E.; Christian-Frear, T.L.; Baird, Glenn T; Labreche, Duane A.; Ball, J.R.; Jones, Ronald L.; Northrop-Salazar, C.L.

doi:10.2172/10105788

Cited by 3 publications

(3 citation statements)

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“…A series of cylindrical-excavation creep closure tests have been conducted to investigate the effect of scale on salt creep (Fuenkajorn and Daemen, 1988;Doeven et al, 1983;Munson et al, 1994Munson et al, , 1995b, motivated by model predictions that did not match observed room closure in early WIPP excavations (Tyler et al, 1988;). The differences were eventually not attributed to scale, but to creep model parameters estimated from lab test data.…”

Section: Representative Scales In Saltmentioning

confidence: 99%

Summary Results for Brine Migration Modeling Performed by LANL LBNL and SNL for the UFD Program.

Kuhlman¹

2014

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Schneider from GRS for providing reports and answering questions about their recent salt-related modeling work. The author thanks Bwalya Malama, Dave Sassani, Ernie Hardin, Frank Hansen, and colleagues at the fifth US/German Workshop on Salt Repository Research, Design, and Operation for discussions on facets of the topic of brine migration in salt. The author thanks Heeho Park and Glenn Hammond for assistance with the PFLOTRAN simulations. Finally, the author thanks Ernie Hardin for his detailed and insightful review of the entire report.

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Section: Representative Scales In Saltmentioning

confidence: 99%

Summary Results for Brine Migration Modeling Performed by LANL LBNL and SNL for the UFD Program.

Kuhlman¹

2014

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“…Heating continued in Room B until January 1989 (although the B042 heater failed in February 1987 ), and in Room A1 until July 1990 (Munson et al, 1992). Borehole wall temperatures in the two Room A1 heaters had reached an approximate steady-state temperature of 50°C after 100 days of heating.…”

Section: Wipp In Situ Moisture Release Experimentsmentioning

confidence: 99%

Brine flow in heated geologic salt.

Kuhlman¹,

Malama²

2013

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This report is a summary of the physical processes, primary governing equations, solution approaches, and historic testing related to brine migration in geologic salt. Although most information presented in this report is not new, we synthesize a large amount of material scattered across dozens of laboratory reports, journal papers, conference proceedings, and textbooks.We present a mathematical description of the governing brine flow mechanisms in geologic salt. We outline the general coupled thermal, multi-phase hydrologic, and mechanical processes. We derive these processes' governing equations, which can be used to predict brine flow. These equations are valid under a wide variety of conditions applicable to radioactive waste disposal in rooms and boreholes excavated into geologic salt. 3We focus on the development of the governing equations with the intent to solve them analytically or in a simplified numerical manner, although we briefly summarize some available fully coupled three-dimensional numerical models and some historic modeling results. We non-dimensionalize the governing equations, and make some statements about importance of terms in the governing equations for physically plausible ranges of material property values.We summarize both in situ and laboratory brine migration testing in intact geologic salt, primarily focusing on tests performed under heated conditions relevant to high-level waste disposal. Supporting material is presented in appendices on relevant aspects of laboratory water content determination for bedded salt, the nature and evolution of the disturbed rock zone, and geologic salt permeability testing.In the final summary chapter, we provide a narrative description of the processes controlling both isothermal and heated brine inflow to excavations in geologic salt. Based upon our review, we recommend several potential in situ and laboratory tests, which could be conducted to increase understanding, parametrize numerical models, and confirm the importance of competing physical processes.4

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“…The size of the excavation of the test is about a factor of 10 smaller than the rooms. Even though further analysis of the basic technology suggested that the discrepancy was the result of an inadequacy of the constitutive model and the details of the simulation, which was subsequently shown to be the case [12,13], Geomechanical Evaluation (Room G) [14], and the multipass mining sequence closure data for all the test rooms and shafts, including the intermediate scale test [15].…”

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confidence: 99%