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Variations in the mechanical properties and temperature of concrete subjected to cyclic loads, including high loads

Bocca, P. / Crotti, M.

Abstract Concrete structures are subjected to cylic loading throughout their service life. This article examines the changes taking place in the mechanical properties of concrete specimens under a limited number of compressive loading cycles involving high loads. Furthermore the variations in specimen temperature occurring during load application (1 hour, at 1 Hz frequency) were measured and analysed. The results obtained show that cyclic loading makes it possible to increase failure strength and, at the same time, causes an increase in material brittleness. Furthermore, it has been demonstrated that there is a correlation between the decrease in temperature and the increase in strength brough about by cyclic loading.

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Variations in the mechanical properties and temperature of concrete subjected to cyclic loads, including high loads

Bocca, P. / Crotti, M.

Abstract Concrete structures are subjected to cylic loading throughout their service life. This article examines the changes taking place in the mechanical properties of concrete specimens under a limited number of compressive loading cycles involving high loads. Furthermore the variations in specimen temperature occurring during load application (1 hour, at 1 Hz frequency) were measured and analysed. The results obtained show that cyclic loading makes it possible to increase failure strength and, at the same time, causes an increase in material brittleness. Furthermore, it has been demonstrated that there is a correlation between the decrease in temperature and the increase in strength brough about by cyclic loading.

Variations in the mechanical properties and temperature of concrete subjected to cyclic loads, including high loads

Bocca, P. / Crotti, M.

Abstract Concrete structures are subjected to cylic loading throughout their service life. This article examines the changes taking place in the mechanical properties of concrete specimens under a limited number of compressive loading cycles involving high loads. Furthermore the variations in specimen temperature occurring during load application (1 hour, at 1 Hz frequency) were measured and analysed. The results obtained show that cyclic loading makes it possible to increase failure strength and, at the same time, causes an increase in material brittleness. Furthermore, it has been demonstrated that there is a correlation between the decrease in temperature and the increase in strength brough about by cyclic loading.

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Title:

Variations in the mechanical properties and temperature of concrete subjected to cyclic loads, including high loads

Contributors:

Bocca, P. (author) / Crotti, M. (author)

Published in:

Materials and Structures ; 36

Publication date:

2003

ISSN:

DOI:

https://doi.org/10.1007/BF02481569

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Failure Load , Performance Recovery , Cyclic Loading , Cement Matrix , Test Piece

Classification:

BKL: 56.45 Baustoffkunde / 51.30 Werkstoffprüfung, Werkstoffuntersuchung

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