Eco-efficient concretes: The effects of using recycled ceramic material from sanitary installations on the mechanical properties of concrete

Limiting properties in the characterisation of mixed recycled aggregates for use in the manufacture of concrete

“…Nevertheless, some samples contained a higher percentage of asphalt particles, one of them reaching 16.9%. According to different studies [12,13], a high content of asphalt leads to a decrease of the compressive strength, reaching a decrease that oscillates between 16% and 37%, when the recycled concrete incorporates up to a 20% of asphalt.…”

“…Only a few applications, and only in non-structural concrete, have been made by using mixed recycled aggregates [5,[11][12][13], mainly due either to the lack of international regulations and to the lower quality of the recycled aggregates in comparison to natural ones, which involves a larger deeper control in order to guarantee its conformity, such as an adequate treatment process and the control of the waste in the unit plant entrance. In Spain, mixed recycled aggregates are usually employed in road sub-bases and rural paths.…”

Properties of recycled ceramic aggregates specified in WT-1 2014 Aggregates - Technical Requirements

“…Further, although it has been proven that the substitute for traditional gravel aggregate in the form of broken bricks [1,3,6,9,12] has less favourable properties, there are several ecological benefits of new solutions. The research on cement composites in which the waste of fine white ceramics was found was different [17][18][19][20][21][22][23][24][25][26]. The analysis of the features of these composites proves that the addition of ceramic aggregate improves the properties of concretes prepared in this way.…”

“…The analysis of the features of these composites proves that the addition of ceramic aggregate improves the properties of concretes prepared in this way. Besides, particular attention is paid to ceramic aggregates derived from sanitary ceramics waste [17,19,[24][25][26]. The characteristics of these aggregates are similar to the ones of traditional aggregates, and their structure is similar to dolomite aggregates [25] popularly used in road engineering.…”

Testing concrete made with cork powder and steel fibres

“…Thus, it can be cited as various original investigations that aim to find a means of recycling concrete from demolitions which act as substitute for aggregates in mixing new concrete (di Maio and Traversa, 2003) or the use of sewage sludge from purification plants in the production of prefabricated concrete paving slabs (Yagüe et al, 2003). In this way, Juan et al (2010) and Guerra et al (2009) reported about their works of eco-efficient concretes carried out reusing many kinds of waste products. In the industry of cork in Extremadura, Spain, cork powder is a waste material and a problem for the industry, which does not know what to *Corresponding author.…”