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displaying 11 - 19 results in total 19

  • Knab, L. I.
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    Procedure for Tristimulus Color Measurements on Building Stone.
    National Bureau of Standards, Gaithersburg, MD
    National Park Service, Washington, DC, NBSIR 84-2961, October 1984,

  • Knab, L. I.; Spring, C. B.
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    Evaluation of Test Methods for Measuring the Bond Strength of Portland-Cement Based Repair Materials to Concrete.
    National Bureau of Standards, Gaithersburg, MD
    Army Corps of Engineers, Washington, DC; Naval Facilities Engineers Command, Alexandria, VA; Air Force Engineering and Services Center, Tyndall AFB, FL, NBSIR 88-3746, April 1988, 47 p.

  • Knab, L. I.; Clifton, J. R.
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    Mechanical and Physical Properties of Coquina Stone From the Castillo de San Marcos National Monument.
    National Bureau of Standards, Gaithersburg, MD
    National Park Service, Dunwoody, GE, NBSIR 88-3714, January 1988, 23 p.

  • Clifton, J. R.; Knab, L. I.
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    Service Life of Concrete.
    National Institute of Standards and Technology, Gaithersburg, MD
    Nuclear Regulatory Commission, Washington, DC, NISTIR 89-4086, June 1989, 150 p.

  • Knab, L. I.; Sprinkel, M. M.; Lane, O. J., Jr.
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    Preliminary Performance Criteria for the Bond of Portland-Cement and Latex-Modified Concrete Overlays.
    National Institute of Standards and Technology, Gaithersburg, MD; Virginia Transportation Council, Charlottesville, VA; Iowa Department of Transportation, Ames
    NISTIR 89-4156, November 1989, 114 p.

  • Knab, L. I.; Clifton, J. R.
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    Cumulative Damage of Reinforced Concrete Subjected to Repeated Impact.
    National Bureau of Standards, Washington, DC; Defense Nuclear Agency, Washington, DC
    Cement and Concrete Research, Vol. 12, 359-370, 1982

  • Clifton, J. R.; Knab, L. I.
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    Impact Testing of Concrete.
    National Bureau of Standards, Gaithersburg, MD; Defense Nuclear Agency, Washington, DC
    Cement and Concrete Research., Vol. 13, No. 4, 541-548, July 1983

  • Knab, L. I.; Jennings, H.; Walker, H. N.; Clifton, J. R.; Grimes, J. W.
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    Techniques to Observe the Fracture Zone in Mortar and Concrete.
    National Bureau of Standards, Gaithersburg, MD; Virginia Highway and Transportation Research Council, Charlottesville, VA
    Fracture Toughness and Fracture Energy of Concrete. 1986, Elsevier Science Publishers B.V., Amsterdam, Wittmann, F. H., Editors, 241-247 p., 1986

  • Knab, L. I.; Blessing, G. V.; Clifton, J. R.
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    Laboratory Evaluation of Ultrasonics for Crack Detection in Concrete.
    National Bureau of Standards, Washington, DC
    ACI Journal, 17-27, January/February 1983