{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T15:26:51Z","timestamp":1740151611304,"version":"3.37.3"},"reference-count":31,"publisher":"IOP Publishing","issue":"1","license":[{"start":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T00:00:00Z","timestamp":1564617600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"},{"start":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T00:00:00Z","timestamp":1564617600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["IOP Conf. Ser.: Earth Environ. Sci."],"published-print":{"date-parts":[[2019,8,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>This study answers an important question that may arise when selecting a sustainable concrete, namely \u201cconcrete mixes containing low cement and recycled aggregates are a sustainable solution?\u201d To answer this question, this study shows how to optimize concrete mixes in terms of technical performance, and economic and environmental life cycle. Firstly, the weight to be considered for each of these dimensions of performance depends on the concrete application (e.g. residential house and high-rise building) and on the consumer\u2019s requirements (e.g. business as usual, green, strength, service life and cost scenarios). In this study, concrete mixes containing recycled concrete aggregates (RCA) and\/or fly ash (FA) are optimized to be used in sustainable residential houses. For that purpose, the CONCRE<jats:bold><jats:italic>Top<\/jats:italic><\/jats:bold>methodology (developed by the same authors of this study) was applied to these concrete mixes by considering a \u201cgreen scenario\u201d. The results show that, for sustainable residential houses, the concrete mixes made with high incorporation ratios of FA and RCA are considered the best option.<\/jats:p>","DOI":"10.1088\/1755-1315\/323\/1\/012130","type":"journal-article","created":{"date-parts":[[2019,9,6]],"date-time":"2019-09-06T01:14:01Z","timestamp":1567732441000},"page":"012130","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Optimizing the economic, environmental and technical performance of concrete mixes with fly ash and recycled concrete aggregates"],"prefix":"10.1088","volume":"323","author":[{"given":"R","family":"Kurda","sequence":"first","affiliation":[]},{"given":"J D","family":"Silvestre","sequence":"additional","affiliation":[]},{"given":"J","family":"Brito","sequence":"additional","affiliation":[]}],"member":"266","reference":[{"key":"EES_323_1_012130bib1","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.cemconcomp.2018.10.005","article-title":"Characterization of coal bio ash from wood pellets and low-alkali coal fly ash and use as partial cement replacement in mortar","volume":"95","author":"Sigvardsen","year":"2019","journal-title":"Cement and Concrete Composites"},{"key":"EES_323_1_012130bib2","doi-asserted-by":"publisher","first-page":"37","DOI":"10.2495\/WM160041","author":"Sigvardsen","year":"2016"},{"key":"EES_323_1_012130bib3","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1016\/j.compositesb.2018.11.067","article-title":"Effects of combined usage of GGBS and fly ash on workability and mechanical properties of alkali activated geopolymer concrete with recycled aggregate","volume":"164","author":"Xie","year":"2019","journal-title":"Composites Part B: Engineering"},{"key":"EES_323_1_012130bib4","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1080\/19648189.2015.1131200","article-title":"Experimental study of the mechanical properties and shrinkage of self-compacting concrete with binary and ternary mixes of fly ash and limestone filler","author":"Silva","year":"2016"},{"key":"EES_323_1_012130bib5","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.jcou.2018.11.004","article-title":"Carbonation of concrete made with high amount of fly ash and recycled concrete aggregates for utilization of CO2","volume":"29","author":"Kurda","year":"2019","journal-title":"Journal of CO2 Utilization"},{"key":"EES_323_1_012130bib6","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1016\/j.jclepro.2017.04.015","article-title":"Environmental assessment of green concretes for structural use","volume":"154","author":"Marinkovi\u0107","year":"2017","journal-title":"Journal of Cleaner Production"},{"key":"EES_323_1_012130bib7","doi-asserted-by":"crossref","first-page":"407","DOI":"10.1016\/j.resconrec.2018.07.004","article-title":"Life cycle assessment of concrete made with high volume of recycled concrete aggregates and fly ash. 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