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Application of birefringent coating to the study of strains around circular inclusions in mortar prisms

Material found to provide an excellent means of determining high-stress concentrations when used with a small-field meter and accompanying adjusting frame

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Abstract

With the use of a birefringent material, a method of determining the maximum shear strains around circular inclusions is discussed. The mounting of a small-field instrument is shown so that consistent and reproducible results can be obtained. The experimental and theoretical maximum shear strains are compared on a prism with a single inclusion.

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Bibliography

  1. Dantu, P., “Etude des Contraintes Dans Les Milieux Heterogenes Application au Beton,” Laboratoire Central Des Ponts et Chaussees, Paris, Publication No. 57-6 (March 1957).

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  3. Zandman, Felix, “Photostress, Principles and Applications,” Instruments Division, The Budd Co., Phoenixville, Pa.

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  5. Bulletin PS-3044, Instructions for the Use of Photostress Small Field, Universal Meter, Instrument Division of the Budd Co., Phoenixville, Pa. (March 12, 1960).

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Authors and Affiliations

  1. Department of Civil Engineering, University of California, Berkeley, Calif.

    R. M. Stephen (Associate Engineer) & D. Pirtz (Associate Professor)

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  1. R. M. Stephen
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  2. D. Pirtz
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Stephen, R.M., Pirtz, D. Application of birefringent coating to the study of strains around circular inclusions in mortar prisms. Experimental Mechanics 3, 91–97 (1963). https://doi.org/10.1007/BF02325891

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  • DOI: https://doi.org/10.1007/BF02325891

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