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Photoelastic Investigation in Connection with the Fatigue Strength of Bolted Joints

Published online by Cambridge University Press:  07 June 2016

H. T. Jessop ,
C. Snell  and
G. S. Holister
H. T. Jessop
Affiliation:
University College, London
C. Snell
Affiliation:
University College, London
G. S. Holister
Affiliation:
University College, London
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Summary

The elastic stress distribution around a circular hole in a flat bar under simple tension, when the hole is filled by a push-fit pin, was investigated photoelastically. Over a range of values of the ratio of hole diameter to width of bar, and for pins of differing Young's moduli, the effect of the pin was sensibly the same, namely, to reduce the maximum tension on the hole boundary by about 15 per cent, as compared with that in the unfilled hole.

The maximum shear stress on the boundary was unaltered.

Type
Research Article
Information
Aeronautical Quarterly , Volume 6 , Issue 3 , August 1955 , pp. 230 - 239
Copyright
Copyright © Royal Aeronautical Society. 1955

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References

1. Wilkins, E. W. C. and Jessop, H. T. A Photoelastic-Fatigue Programme of Experimental Research in Connection with Bolted Joints. Journal of the Royal Aeronautical Society(Technical Note). June 1954.CrossRefGoogle Scholar
2. Jessop, H. T., Snell, C. and Jones, I. Results of Photoelastic Investigation of Stresses in a Tension Bar with Unfilled Hole. Journal of the Royal Aeronautical Society(Technical Note). January 1955.CrossRefGoogle Scholar