Sensitivity of the stability of a waste emplacement drift to variation in assumed rock joint parameters in welded tuff | Zendy

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Sensitivity of the stability of a waste emplacement drift to variation in assumed rock joint parameters in welded tuff

Author(s) -

Mark Christianson

Publication year - 1989

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/60692

Subject(s) - joint (building) , radioactive waste , geology , welding , slip (aerodynamics) , excavation , geotechnical engineering , waste disposal , engineering , materials science , structural engineering , waste management , metallurgy , aerospace engineering

This report presents the results of a numerical analysis to determine the effects of variation of rock joint parameters on stability of waste disposal rooms for vertical emplacement. Conditions and parameters used were taken from the Nevada Nuclear Waste Storage Investigation (NNWSI) Project Site Characterization Plan Conceptual Design report (MacDougall et al., 1987). Mechanical results are presented which illustrate the predicted distribution of stress, joint slip, and room deformations for times of initial excavation and after 50 years heating. 82 refs., 93 figs

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