Elastic Properties of Riveted Connections

Abstract
In designing floor-beams for steel-frame buildings, it is customary to neglect the restraining effect of end connections and to assume that the beams are hinged at the ends. In many other problems of stress analysis in steel frames, it is customary to treat the connections as completely fixed, or rigid. While it is recognized that· the end connections do provide some degree of restraint there has been no means of allowing for it because no one has known, numerically, how much restraint there is. One could not safely take advantage of any saving resulting from the resistance due to bending, created by the connections. Tests of eighteen end connections of the three most common types of steel beams, form the basis of this paper. The writer has shown how these data may be applied in the design, not only of single beams, but also in the investigation of the stresses in frames, composed of beams and columns, joined by these typical riveted connections. His analysis shows that economics in design can be effected safely in some cases. It also gives the engineer a more complete understanding of the action of standard beam connections, and indicates several problems for further research.

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