Improvements to the Eurocode 2 shrinkage model for concrete using a large experimental database
| Autor: | Rafic Faddoul, Fadi Geara, Wassim Raphael, Alaa Chateauneuf |
|---|---|
| Rok vydání: | 2012 |
| Předmět: |
Engineering
Shrinkage strain Database business.industry Computation Building and Construction Eurocode Structural engineering computer.software_genre Set (abstract data type) Types of concrete Mechanics of Materials General Materials Science Statistical analysis business computer Civil and Structural Engineering Shrinkage |
| Zdroj: | Structural Concrete. 13:174-181 |
| ISSN: | 1464-4177 |
| DOI: | 10.1002/suco.201100029 |
| Popis: | Shrinkage plays an important, sometimes crucial, role in the design of many types of concrete structures as well as in their behaviour after construction. However, the uncontrolled strains are often larger than the expected values. As a matter of fact, there is as yet no perfectly satisfactory physical explanation for shrinkage. In this work, a large database has been set up for shrinkage testing performed by several research centres in Europe. On the basis of the statistical analysis of this database and by observing real structural behaviour, it becomes possible to investigate the current codes of practice regarding the computation of time-dependent shrinkage strains. As comparison with experimental tests has shown that predictions are often inaccurate, a correction factor is proposed in this work to improve the European Code, Eurocode 2, and lead to more satisfactory results. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|