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Cracking behaviour of reinforced concrete subjected to early-age shrinkage
Abstract Cracks in freshly cast structures can be the consequence of restrained thermal deformations. Additional to these deformations high strength concrete undergoes autogenous deformations which make this material even more prone to early-age cracking. In order to analyse this behaviour of reinforced concrete structures at early age, an elaborate test series on a high strength concrete (w/c=0.33) was performed. The measured values are: the free deformation of plain and reinforced concrete, stress development in a fully restrained reinforced specimen and in its reinforcement bars, development of bond strength and cube compressive strength. In this paper the experimental results are presented and related to each other. With this information more knowledge is gained concerning the mechanisms leading to stress development and cracking behaviour in reinforced concrete at very early age.
Cracking behaviour of reinforced concrete subjected to early-age shrinkage
Abstract Cracks in freshly cast structures can be the consequence of restrained thermal deformations. Additional to these deformations high strength concrete undergoes autogenous deformations which make this material even more prone to early-age cracking. In order to analyse this behaviour of reinforced concrete structures at early age, an elaborate test series on a high strength concrete (w/c=0.33) was performed. The measured values are: the free deformation of plain and reinforced concrete, stress development in a fully restrained reinforced specimen and in its reinforcement bars, development of bond strength and cube compressive strength. In this paper the experimental results are presented and related to each other. With this information more knowledge is gained concerning the mechanisms leading to stress development and cracking behaviour in reinforced concrete at very early age.
Cracking behaviour of reinforced concrete subjected to early-age shrinkage
Sule, M. (author) / van Breugel, K. (author)
2001
Article (Journal)
English
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