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Response of epoxy oversized models of strands to axial and torsional loads

Strains, stresses and displacements are determined using mechanical and electrical strain gages, dial gages and brittle coatings

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Abstract

As part of an extensive investigation on strand and cable properties, epoxy oversized models of strands have been manufactured using a newly developed technique. Axial and torsional loadings have been applied to the models. Strains, stresses and displacements have been determined using mechanical and electrical strain gages, dial gages and brittle coatings. The results obtained are compared with calculations using a previously developed theory. The response of a reference structure in which each wire is assumed to act independently is also compared with the response of the strand. Several discrepancies with theory are pointed out. It is believed that these are the first systematic measurements taken on strands.

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References

  1. Machida, S. and Durelli, A. J., “Response of a Strand to Axial and Torsional Displacements,” J. of Mech. Eng. Sci. (in press).

  2. Durelli, A. J., Machida, S. andParks, V. J., “Strains and Displacements on a Steel Wire Strand, Naval Eng. J.,84 (6),85–93 (Dec. 1972).

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  3. Durelli, A. J., Parks, V. J., Feng, H. C. andChiang, F., “Strains and Stresses in Matrices with Inserts,”Mechanics of Composite Materials, ed. by Wendt, Liebovitz, Perrone, Pergamon Press, New York, 277 (1970).

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  4. Timoshenko, S., Strength of Materials, Part II, Advanced Theory and Problems, D. Van Nostrand Co. (2nd ed.) (1941).

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Authors and Affiliations

  1. Civil and Mechanical Engineering Department, The Catholic University of Americd, 20017, Washington, DC

    A. J. Durelli (Professor)

  2. Department of Naval Architecture, University of Tokyo, Tokyo, Japan

    S. Machida (Associate Professor)

Authors
  1. A. J. Durelli
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  2. S. Machida
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Additional information

S. Machida was Post-doctoral Fellow at Catholic University

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Durelli, A.J., Machida, S. Response of epoxy oversized models of strands to axial and torsional loads. Experimental Mechanics 13, 313–321 (1973). https://doi.org/10.1007/BF02322390

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  • DOI: https://doi.org/10.1007/BF02322390

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