Drift scale test status report (Chapters 1-9)

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The Drift-Scale Test (DST) is one of the thermal tests being conducted in the Exploratory Studies Facility (ESF) at Yucca Mountain, Nevada, site of the potential repository for high-level nuclear waste. One of the DST`s major objectives is to study the coupled thermal-hydrologic-chemical-mechanical (THCM) processes at the potential repository`s horizon. The objectives, test design, and test layouts of the DST are included in a previous test design report. this report present results and analysis of several difference measurements made in the DST by researchers at Lawrence Livermore National Laboratory through the second quarter of the heating phase. Sections 1.1 and ... continued below

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230 p.; Other: FDE: PDF; PL:

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Lin, W., LLNL July 1, 1998.

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Description

The Drift-Scale Test (DST) is one of the thermal tests being conducted in the Exploratory Studies Facility (ESF) at Yucca Mountain, Nevada, site of the potential repository for high-level nuclear waste. One of the DST`s major objectives is to study the coupled thermal-hydrologic-chemical-mechanical (THCM) processes at the potential repository`s horizon. The objectives, test design, and test layouts of the DST are included in a previous test design report. this report present results and analysis of several difference measurements made in the DST by researchers at Lawrence Livermore National Laboratory through the second quarter of the heating phase. Sections 1.1 and 1.2 describe the layout of the DST and the boreholes and instrumentation used to monitor the THCM processes in the rock of associated drifts. Section 2 presents an analysis of temperature data for the test through the end of May 1998. Sections 3 and 4 present results of electrical resistance tomography and neutron logging measurements, respectively. These two sets of measurements are designed to determine the movement of moisture in the test. Results of a series of geochemical measurements made on gas and water samples are presented in Section 5. The purpose of these measurements is to monitor the chemical processes occurring in the DST. Section 6 presents results of thermohydrologic modeling analysis of the test, and Section 7 presents data collected via the laboratory testing for characterization of the hydrologic properties of the rock forming the DST. A brief analysis of barometric pressure and humidity data collected through the end of May 1998 is discussed in Section 8, along with temperature data for the bulkhead. Finally, Section 9 presented an evaluation of sensors used in the DST.

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230 p.; Other: FDE: PDF; PL:

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OSTI as DE98058640

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  • Other Information: PBD: 1 Jul 1998

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  • Other: DE98058640
  • Report No.: UCRL-ID--131195
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/654325 | External Link
  • Office of Scientific & Technical Information Report Number: 654325
  • Archival Resource Key: ark:/67531/metadc705719

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  • July 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 18, 2016, 5:41 p.m.

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Lin, W., LLNL. Drift scale test status report (Chapters 1-9), report, July 1, 1998; California. (digital.library.unt.edu/ark:/67531/metadc705719/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.