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https://hdl.handle.net/10356/95385
Title: | Re-evaluation of CEB-FIP 90 prediction models for creep and shrinkage with experimental database | Authors: | Lu, Zhitao. Pan, Zuanfeng. Li, Bing. |
Keywords: | DRNTU::Engineering::Civil engineering::Construction technology | Issue Date: | 2012 | Source: | Pan, Z., Li, B., & Lu, Z. (2013). Re-evaluation of CEB-FIP 90 prediction models for creep and shrinkage with experimental database. Construction and Building Materials, 38,1022-1030. | Series/Report no.: | Construction and building materials | Abstract: | This paper aims to evaluate the CEB-FIP 90 model, which is commonly utilised to predict the creep and shrinkage effects of concrete structures, by comparing it with an extensive compiled database which combines the available data in literature and newly collected data from China. This database considers only concrete specimens with an average 28-day compressive strength between 30 MPa and 80 MPa, and restricts the relative humidity of the experimental environment to a maximum value of 95%. Three statistical methods are applied to evaluate the CEB-FIP 90 model: the residual method, the B3 coefficient of variation method, and the CEB coefficient of variation method. Based on the statistical regression analysis of the shrinkage and creep test data, the CEB-FIP 90 model is revised by modifying the influencing coefficients of the compressive strength of concrete and the time development functions of creep and shrinkage. The modified model is then subjected to evaluation and verification using the residual method, B3 coefficient of variation method and CEB coefficient of variation method. Based on verification with experimental data and corroboration with statistical analysis, the modified model performs better than CEB-FIP 90 model, especially with regards to high strength concrete. | URI: | https://hdl.handle.net/10356/95385 http://hdl.handle.net/10220/8950 |
ISSN: | 0950-0618 | DOI: | 10.1016/j.conbuildmat.2012.07.009 | Schools: | School of Civil and Environmental Engineering | Rights: | © 2012 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Construction and building materials, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1016/j.conbuildmat.2012.07.009. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | CEE Journal Articles |
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File | Description | Size | Format | |
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220. Re-evaluation of CEB-FIP 90 prediction models for creep and shrinkage with experimental database.pdf | 1.38 MB | Adobe PDF | View/Open |
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