Summary
The rheological model of cement stone is obtained from a set of static experiments. It is shown that it includes aKelvin-body. From an analysis of its rheological equation it follows that the criterion of fracture of aKelvin- body is one ofstrain. The fracturestress of such a body is, therefore, time-dependent, a property named static fatigue. It is suggested that every real solid is sensitive to static fatigue, the amount depending on the retardation time.
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References
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Reiner, M., Deformation and Flow (London, 1949).
Nadai, A., Theory of Flow and Fracture of Solids (New York, 1950).
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The paper was read at the 3rd International Congress on Rheology, Oeynhausen, September 1958, by Prof.M. Reiner of the Israel Institute of Technology, Haifa (Israel).
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Glucklich, J. Static fatigue in concrete. Rheol Acta 1, 356–361 (1961). https://doi.org/10.1007/BF01989066
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DOI: https://doi.org/10.1007/BF01989066