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A platform for research: civil engineering, architecture and urbanism
Shrinkage and creep in structural concrete with recycled brick aggregates
https://orcid.org/0000-0002-6802-7117
Highlights Concretes with fine and coarse recycled brick aggregates (RBA) are used. Long-term deformations are studied to assess use in presstessed joists. Shrinkage strain raises strongly when RBA increases. Creep strain has little variation when RBA increases. Creep and shrinkage are acceptable for structural applications until 20% RBA.
Abstract In structural applications, long-term deformations of concrete are particularly important. The aim of this study is to analyze the deformations produced by shrinkage and creep in concretes in which both the fine and coarse fractions have been replaced with recycled brick aggregates (RBA), and to assess their use in structural applications. The percentages of substitution of the natural aggregates by RBA were 20, 35, 50, 70 and 100%. The deformations were measured over 400 days. The results show a strong increase in the shrinkage values and slight variations in the creep, although with substitutions of RBA of up to 20%, the long-term deformations do not exceed the usual values.
Shrinkage and creep in structural concrete with recycled brick aggregates
https://orcid.org/0000-0002-6802-7117
Highlights Concretes with fine and coarse recycled brick aggregates (RBA) are used. Long-term deformations are studied to assess use in presstessed joists. Shrinkage strain raises strongly when RBA increases. Creep strain has little variation when RBA increases. Creep and shrinkage are acceptable for structural applications until 20% RBA.
Abstract In structural applications, long-term deformations of concrete are particularly important. The aim of this study is to analyze the deformations produced by shrinkage and creep in concretes in which both the fine and coarse fractions have been replaced with recycled brick aggregates (RBA), and to assess their use in structural applications. The percentages of substitution of the natural aggregates by RBA were 20, 35, 50, 70 and 100%. The deformations were measured over 400 days. The results show a strong increase in the shrinkage values and slight variations in the creep, although with substitutions of RBA of up to 20%, the long-term deformations do not exceed the usual values.
Shrinkage and creep in structural concrete with recycled brick aggregates
https://orcid.org/0000-0002-6802-7117
Highlights Concretes with fine and coarse recycled brick aggregates (RBA) are used. Long-term deformations are studied to assess use in presstessed joists. Shrinkage strain raises strongly when RBA increases. Creep strain has little variation when RBA increases. Creep and shrinkage are acceptable for structural applications until 20% RBA.
Abstract In structural applications, long-term deformations of concrete are particularly important. The aim of this study is to analyze the deformations produced by shrinkage and creep in concretes in which both the fine and coarse fractions have been replaced with recycled brick aggregates (RBA), and to assess their use in structural applications. The percentages of substitution of the natural aggregates by RBA were 20, 35, 50, 70 and 100%. The deformations were measured over 400 days. The results show a strong increase in the shrinkage values and slight variations in the creep, although with substitutions of RBA of up to 20%, the long-term deformations do not exceed the usual values.
Shrinkage and creep in structural concrete with recycled brick aggregates
Gayarre, Fernando López (author) / González, Jesús Suárez (author) / Pérez, Carlos López-Colina (author) / Serrano López, Miguel A. (author) / Ros, Pedro Serna (author) / Martínez-Barrera, Gonzalo (author)
2019-08-16
Article (Journal)
Electronic Resource
English
Creep and Shrinkage of Normal-Strength Concrete with Recycled Concrete Aggregates
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Concrete with Recycled Materials as Coarse Aggregates: Shrinkage and Creep Behavior
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