Plastic Flexure of Mild Steel Beams of Rectangular Cross-section

Author:

Shackell K. K.1,Welsh J. H.2

Affiliation:

1. Department (outside erection), English Electric Company, Ltd

2. R.E.M.E., British Army of the Rhine

Abstract

The paper describes tests on a 0–28 per cent carbon steel in tension and compression, and in flexure of beams of rectangular cross-section, to a maximum strain about three times that at the initial yield. The object of these tests-was to investigate the shape of the stress-strain curve immediately after the initial yielding, and to determine whether in a case such as flexure the upper yield stress could be relied upon as a criterion of design. The results from this material indicate that the stress-strain curve falls rapidly but not immediately from the upper to the lower yield value, and that a beam is capable of withstanding a slightly greater bending moment than would be predicted by calculations based on the direct stress tests including the upper yield stress.

Publisher

SAGE Publications

Subject

General Engineering

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Strength of cold-formed cylindrical steel plates;Journal of Strain Analysis;1971-07-01

2. Discussion at Session 8: General Papers on Testing Machines;Proceedings of the Institution of Mechanical Engineers, Conference Proceedings;1965-06

3. Paper 30: The Mechanical Testing of Sheet Metals;Proceedings of the Institution of Mechanical Engineers, Conference Proceedings;1965-06

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