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Various concrete mixes were evaluated in order to analyze the influence of the RA\u2019s collection point and consequently of their composition on the mixes\u2019 characteristics. Afterward all the mixes were subjected to the capillary water absorption test in order to quantitatively evaluate their porosity. Results from the SEM\/EDS analysis were compared with those from capillary water absorption test. The SEM\/EDS analysis showed that the bond capacity of aggregates to the new cement paste is greatly influenced by the RA\u2019s nature. On the other hand, there was an increase in porosity with the incorporation of RA.<\/jats:p>","DOI":"10.1017\/s1431927615015512","type":"journal-article","created":{"date-parts":[[2015,12,23]],"date-time":"2015-12-23T15:01:26Z","timestamp":1450882886000},"page":"149-167","source":"Crossref","is-referenced-by-count":38,"title":["Microstructure of Concrete with Aggregates from Construction and Demolition Waste Recycling Plants"],"prefix":"10.1093","volume":"22","author":[{"given":"Miguel","family":"Bravo","sequence":"first","affiliation":[]},{"given":"Ant\u00f3nio","family":"Santos Silva","sequence":"additional","affiliation":[]},{"given":"Jorge","family":"de Brito","sequence":"additional","affiliation":[]},{"given":"Lu\u00eds","family":"Evangelista","sequence":"additional","affiliation":[]}],"member":"286","published-online":{"date-parts":[[2015,12,23]]},"reference":[{"key":"S1431927615015512_ref24","doi-asserted-by":"publisher","DOI":"10.1016\/j.cemconcomp.2004.02.029"},{"key":"S1431927615015512_ref20","unstructured":"Pinto, T. (1999). Methodology for the differentiated management of solid waste from urban construction. PhD Thesis, Construction Engineering Department, Polytechnic School of the S\u00e3o Paulo University, S\u00e3o Paulo, 189pp. (in Portuguese)."},{"key":"S1431927615015512_ref17","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2011.12.075"},{"key":"S1431927615015512_ref27","doi-asserted-by":"publisher","DOI":"10.1016\/S0958-9465(02)00010-0"},{"key":"S1431927615015512_ref3","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclepro.2015.03.012"},{"key":"S1431927615015512_ref7","doi-asserted-by":"publisher","DOI":"10.1016\/S0958-9465(00)00085-8"},{"key":"S1431927615015512_ref1","unstructured":"Portuguese Association of the Ready-Mixed Concrete Companies (APEB) (2007). Aggregates for concrete. From production to use. 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