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Application of field measurements and computer modeling to evaluate deep mine shaft stability in northern Idaho
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  1. Structural design considerations for deep mine shafts : analysis of circular, rectangular, and elliptical openings
    Personal Author:
    Chan, Samuel S. M.; Beus, Michael J.;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1985
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8976
    Description:
    "The Bureau of Mines has investigated the structural aspects of shafts and support systems using the finite-element technique. In situ field measurements in deep, vein-type metal mines show that rock stresses are often higher in the horizontal direct...
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  2. Mining publications list 1995-2000
    Personal Author:
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    Published Date:
    2001
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    DHHS publication ; no. (NIOSH) 2001-106
    Description:
    "Reports of Investigations (RIs) present the results of original mining health and safety research. They describe individual, short-term studies and include the objective of the research, the materials and techniques used, and the results of tests or...
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  3. Field measurement of rock displacement during sinking of a deep rectangular shaft
    Personal Author:
    Whyatt, J. K. (Jeff K.); Beus, Michael J.;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1987
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9108
    Description:
    "The Bureau of Mines, under a cooperative agreement with Callahan Mining Corp., measured rock displacement at the 4,750-ft level of the 5,100-ft-deep rectangular, timbered caladay shaft in northern Idaho. Displacements were measured with multiple-pos...
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  4. Field measurement and finite-element modeling of circular and rectangular shaft shapes in the Coeur d'Alene mining district, Idaho
    Personal Author:
    Beus, Michael J.; Chan, Samuel S. M.;
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    United States. Bureau of Mines.
    Published Date:
    1985
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8972
    Description:
    "This Bureau of Mines report describes a field experiment involving the sinking two test shafts to directly compare the deformational behavior of circular and rectangular shapes. Results show that the circular shape is less sensitive to geologic disc...
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  5. Numerical exploration of shear-fracture-related rock bursts using a strain-softening constitutive law
    Personal Author:
    Whyatt, J. K. (Jeff K.); Board, M. P. (Mark P.);
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    United States. Bureau of Mines.
    Published Date:
    1991
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9350
    Description:
    "Researchers at the U.S. Bureau of Mines have been exploring recent advances in the use of strain-softening constitutive laws that approximate shear fracturing. The purpose of these tests is to investigate shear-fracture-related rock bursts in hard-r...
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