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Fatigue limit of recycled aggregate concrete

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.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Construction and Building Materials Volume 52, 15 February 2014, Pages 146–154

Editorial: Elsevier Ltd

 Fecha de publicación: 01/02/2014

Nº de páginas: 35

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.conbuildmat.2013.11.032

ISSN: 0950-0618,1879-0526

 Proyecto español: RECNHOR Project ; CLEAM Project

Url de la publicación: http://dx.doi.org/10.1016/j.conbuildmat.2013.11.032