A triple-continuum approach for modeling flow and transportprocesses in fractured rock

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This paper presents a triple-continuum conceptual model forsimulating flow and transport processes in fractured rock. Field datacollected from the unsaturated zone of Yucca Mountain, a repository siteof high-level nuclear waste, show a large number of small-scalefractures. The effect of these small fractures has not been considered inprevious modeling investigations within the context of a continuumapproach. A new triple-continuum model (consisting of matrix,small-fracture, and large-fracture continua) has been developed toinvestigate the effect of these small fractures. This paper derives themodel formulation and discusses the basic triple-continuum behavior offlow and transport processes under different conditions, using bothanalytical solutions and numerical approaches. The ... continued below

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Wu, Yu-Shu; Liu, H.H.; Bodvarsson, G.S & Zellmer, K .E. August 31, 2001.

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This paper presents a triple-continuum conceptual model forsimulating flow and transport processes in fractured rock. Field datacollected from the unsaturated zone of Yucca Mountain, a repository siteof high-level nuclear waste, show a large number of small-scalefractures. The effect of these small fractures has not been considered inprevious modeling investigations within the context of a continuumapproach. A new triple-continuum model (consisting of matrix,small-fracture, and large-fracture continua) has been developed toinvestigate the effect of these small fractures. This paper derives themodel formulation and discusses the basic triple-continuum behavior offlow and transport processes under different conditions, using bothanalytical solutions and numerical approaches. The simulation resultsfrom the site-scale model of the unsaturated zone of Yucca Mountainindicate that these small fractures may have an important effect onradionuclide transport within the mountain

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  • Journal Name: Journal of Contaminant Hydrology; Journal Volume: 73; Journal Issue: 1-4; Related Information: Journal Publication Date: September2004

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  • Report No.: LBNL--48875
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 900690
  • Archival Resource Key: ark:/67531/metadc887909

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Office of Scientific & Technical Information Technical Reports

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  • August 31, 2001

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 30, 2016, 12:51 p.m.

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Wu, Yu-Shu; Liu, H.H.; Bodvarsson, G.S & Zellmer, K .E. A triple-continuum approach for modeling flow and transportprocesses in fractured rock, article, August 31, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc887909/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.