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The composition targeted a strong (up to 50%) reduction of the Portland cement content, with a partial replacement of the latter by different cementitious additions, combined with limestone filler. The studied parameters also included the type and dosage of the reinforcing fibers and the size and type (natural or lightweight) of the aggregates. In this scope, different eco\u2010UHPCs were produced and characterized, considering both mechanical and durability properties. Different additions proved to have a high pozzolanic effect, especially at older ages, being therefore a good option for producing UHPCs with the required performance and the desired low cement content. In addition, the developed eco\u2010UHPCs exhibited extraordinary durability, with very reduced capillary absorption, absence of carbonation, and high resistance to chloride migration.<\/jats:p>","DOI":"10.1002\/suco.202400588","type":"journal-article","created":{"date-parts":[[2025,3,27]],"date-time":"2025-03-27T06:24:24Z","timestamp":1743056664000},"page":"3768-3787","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Development of eco ultra\u2010high performance concrete for the prefabrication of ultra\u2010thin concrete shells"],"prefix":"10.1002","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3445-0694","authenticated-orcid":false,"given":"Hugo","family":"Costa","sequence":"first","affiliation":[{"name":"CERIS, Department of Civil Engineering Polytechnic University of Coimbra  Coimbra Portugal"}]},{"given":"Ricardo","family":"do Carmo","sequence":"additional","affiliation":[{"name":"CERIS, Department of Civil Engineering Polytechnic University of Coimbra  Coimbra Portugal"}]},{"given":"Tiago","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering Polytechnic University of Coimbra  Coimbra Portugal"}]},{"given":"Ana","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering Polytechnic University of Coimbra  Coimbra Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1690-9887","authenticated-orcid":false,"given":"Eduardo","family":"J\u00falio","sequence":"additional","affiliation":[{"name":"CERIS, Department of Civil Engineering, Architecture and Environment, Instituto Superior T\u00e9cnico University of Lisbon  Lisbon Portugal"}]}],"member":"311","published-online":{"date-parts":[[2025,3,25]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cemconcomp.2017.02.010"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cemconcomp.2016.08.001"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2020.121451"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2015.10.066"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1061\/(asce)1084-0702(2008)13:6(602)"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.compositesb.2021.109220"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.compositesb.2013.10.072"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1617\/s11527-010-9650-4"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmrt.2023.05.147"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cscm.2022.e01069"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.3390\/ma14061472"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cemconcomp.2014.09.024"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmrt.2020.12.051"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclepro.2015.12.115"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.conbuildmat.2016.09.123"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.energy.26.1.303"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijsbe.2016.10.005"},{"key":"e_1_2_7_19_1","unstructured":"RochaV.Characterization of fibre\u2010reinforced high\u2010performance concrete incorporating glass powder addition. 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