{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T00:38:13Z","timestamp":1773967093521,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T00:00:00Z","timestamp":1736121600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["88881.337017\/2019-01"],"award-info":[{"award-number":["88881.337017\/2019-01"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100019370","name":"Foundation for Science and Technology","doi-asserted-by":"publisher","award":["project 2022.03631.PTDC (MSSHBioCem\u2014https:\/\/doi.org\/10.54499\/2022.03631.PTDC)."],"award-info":[{"award-number":["project 2022.03631.PTDC (MSSHBioCem\u2014https:\/\/doi.org\/10.54499\/2022.03631.PTDC)."]}],"id":[{"id":"10.13039\/501100019370","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Institute for Sustainability and Innovation in Structural Engineering (ISISE)","award":["UIDB \/04029\/2020 (doi.org\/10.54499\/UIDB\/04029\/2020)"],"award-info":[{"award-number":["UIDB \/04029\/2020 (doi.org\/10.54499\/UIDB\/04029\/2020)"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Applied Sciences"],"abstract":"<jats:p>Self-compacting concrete (SCC) is a relevant technology and an alternative to conventional concrete in complex structures due to its exceptional workability. The rheological parameters demonstrated by SCC provide high fluidity and cohesion, resulting in high mould-filling capability and segregation resistance, as well as optimising concreting processes and reducing costs. In view of this, self-compacting lightweight concrete (SCLC) has emerged as a possible alternative as it combines the benefits of SCC and lightweight aggregate concrete (LWAC). In the production of LWC, the most widely used lightweight aggregate in the world, and also in Brazil, is still expanded clay; however, Brazilian production is restricted to the southeast region. In this context, previous studies have verified the feasibility of producing lightweight aggregates from the sintering of industrial waste and regional raw materials (Rio Grande do Norte\/Brazil), such as sugarcane bagasse ash (SBA), scheelite mining residue (SMR), and local clay. Therefore, this study evaluates the influence of three lightweight aggregates, analysing their performance in comparison with SCLC produced with commercial lightweight aggregate (expanded clay). The concretes studied were subjected to characterisation tests in a fresh state; fluidity, apparent viscosity, visual stability, and passing ability were assessed through slump flow tests, flow time (T500), visual stability index, and J-ring, respectively, as well as measurement of the fresh specific mass. In the hardened state, tests were carried out to determine the compressive strength at 7 and 28 days, the dry specific mass, the chloride ion diffusion coefficient, and the thermal conductivity. The new concretes had density values ranging from 1.94 to 2.03 g\/cm3 and compressive strength values at 28 days between 26.11 and 36.72 MPa. The results obtained show that it is feasible to produce SCLC with unconventional lightweight aggregates based on sugarcane bagasse waste and scheelite mining waste.<\/jats:p>","DOI":"10.3390\/app15010452","type":"journal-article","created":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T09:17:02Z","timestamp":1736155022000},"page":"452","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Self-Compacting Concrete with Artificial Lightweight Aggregates from Sugarcane Ash and Calcined Scheelite Mining Waste"],"prefix":"10.3390","volume":"15","author":[{"given":"Jemima Tabita F. de","family":"Sousa","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, Federal University of Rio Grande do Norte (UFRN), Natal 59078-970, Brazil"}]},{"given":"Marcos Alyssandro S. dos","family":"Anjos","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal Institute of Education, Science and Technology of Para\u00edba (IFPB), Jo\u00e3o Pessoa 58015-435, Brazil"},{"name":"Department of Materials Engineering, Federal University of Para\u00edba (UFPB), Jo\u00e3o Pessoa 58051-900, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8355-1902","authenticated-orcid":false,"given":"Jos\u00e9 Anselmo da S.","family":"Neto","sequence":"additional","affiliation":[{"name":"Department of Materials Engineering, Federal University of Para\u00edba (UFPB), Jo\u00e3o Pessoa 58051-900, Brazil"}]},{"given":"Evilane C. de","family":"Farias","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Federal Institute of Education Science and Technology of Rio Grande do Norte (IFRN), Natal 59078-970, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8648-678X","authenticated-orcid":false,"given":"Fernando G.","family":"Branco","sequence":"additional","affiliation":[{"name":"ISISE ARISE Department of Civil Engineering, University of Coimbra, 3000-370 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9869-7229","authenticated-orcid":false,"given":"Cinthia","family":"Maia Pederneiras","sequence":"additional","affiliation":[{"name":"c5Lab Sustainable Construction Materials Association, 2795-242 Amadora, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"102660","DOI":"10.1016\/j.jobe.2021.102660","article-title":"Mixture design method of self-compacting lightweight aggregate concrete based on rheological property and strength of mortar","volume":"43","author":"Li","year":"2021","journal-title":"J. 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