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Abstract: This paper presents the main results of the research carried out to obtain the fatigue limit of concrete incorporating recycled aggregate from concrete. In this research, recycled aggregate concretes with partial and total coarse aggregate replacement and control concretes with different increasing water/cement ratios have been cast to study the material’s behavior in response to repeated compressive loads. The results show that, for the same water/cement ratio, the recycled aggregate concretes present a loss of stiffness higher than the control concrete. Furthermore, the use of recycled aggregate in concrete implies a reduction of the fatigue life. These differences are increased for low water/cement ratios, as in this case the main factor is the lower strength capacity of the aggregate. From the results obtained, recommendable mixtures for recycled aggregates exposed to fatigue loads are proposed.
Fuente: Construction and Building Materials Volume 52, 15 February 2014, Pages 146–154
Publisher: Elsevier Ltd
Publication date: 01/02/2014
No. of pages: 35
Publication type: Article
DOI: 10.1016/j.conbuildmat.2013.11.032
ISSN: 0950-0618,1879-0526
Spanish project: RECNHOR Project ; CLEAM Project
Publication Url: http://dx.doi.org/10.1016/j.conbuildmat.2013.11.032
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CARLOS THOMAS GARCIA
JESUS SETIEN MARQUINEZ
JUAN ANTONIO POLANCO MADRAZO
IGNACIO LOMBILLO VOZMEDIANO
ANA ISABEL CIMENTADA HERNANDEZ
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