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| Author(s): | Castel, Arnaud; Gilbert, Raymond Ian |
| Title: | Influence of time-dependent effects on the crack spacing in reinforced concrete beams |
| Abstract: | This paper aims to put into perspective the influence of long-term effects, such as concrete creep and shrinkage, on concrete cracking. Long-term experimental results obtained at the Centre for Infrastructure Engineering & Safety (CIES) are reported and compared to design estimates made using the fib Model Code for Concrete Structures 2010. The influence of factors such as stirrup spacing and concrete cover are discussed. Results show that time-dependent shrinkage-induced cracking can considerably modify the cracking patterns obtained in short-term tests. For crack control in real structures and for the development of models for inclusion in codes of practice, it is strongly recommended that account be taken of time-dependent effects. Limiting observations to those made in short-term tests may lead to erroneous conclusions that are simply not applicable for structures that are more than a few weeks old. |
| Source: | Structural Concrete 15 (2014), No. 3 |
| Page/s: | 373-379 |
| Language of Publication: | English |
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