{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,25]],"date-time":"2026-04-25T04:45:14Z","timestamp":1777092314827,"version":"3.51.4"},"reference-count":76,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T00:00:00Z","timestamp":1776643200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"FORMA project \u2013 Manufacturing Oriented towards Resilience and Architectural Modularity","award":["NORTE2030-FEDER-02698300"],"award-info":[{"award-number":["NORTE2030-FEDER-02698300"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sci"],"abstract":"<jats:p>3D Concrete Printing (3DCP) is increasingly explored as a digital fabrication technology offering design freedom, automation, and material efficiency. Nevertheless, its application in reinforced and long-life structures remains limited by insufficient understanding and poor comparability of durability performance, as previous reviews have not systematically linked methodologies to transport-related results. This study presents a systematic and critical review of carbonation and chloride ingress in 3DCP cementitious materials, conducted in accordance with the PRISMA methodology. Following a structured database search and two-stage screening process, the selected studies are subjected to qualitative analysis. Experimental methodologies, specimen typologies, exposure conditions, and attack directions are compiled and qualitatively compared. The review highlights pronounced methodological heterogeneity and frequent under-reporting of key parameters, particularly attack direction, sealing conditions, CO2 concentration, and indicator methods, limiting cross-study comparison. Despite these limitations, consistent qualitative trends are identified. Printed specimens generally exhibit inferior durability performance than cast specimens, while cold joints are associated with increased penetration depth and result dispersion. Directional effects are non-negligible, although they are systematically addressed in only a limited number of studies. Overall, the findings emphasise the critical role of process-induced features and the need for harmonised testing methods to enable reliable durability assessment.<\/jats:p>","DOI":"10.3390\/sci8040093","type":"journal-article","created":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T14:53:23Z","timestamp":1776696803000},"page":"93","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Carbonation and Chloride Attack in 3D-Printed Cementitious Materials: A Systematic Durability Review"],"prefix":"10.3390","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5152-7521","authenticated-orcid":false,"given":"Rui","family":"Reis","sequence":"first","affiliation":[{"name":"Heritage and Territory (Lab2PT), University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"given":"Francisca","family":"Aroso","sequence":"additional","affiliation":[{"name":"Heritage and Territory (Lab2PT), University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9677-3627","authenticated-orcid":false,"given":"Aires","family":"Cam\u00f5es","sequence":"additional","affiliation":[{"name":"CTAC, Department of Civil Engineering, University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3378-0176","authenticated-orcid":false,"given":"Filipe","family":"Brand\u00e3o","sequence":"additional","affiliation":[{"name":"Heritage and Territory (Lab2PT), University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8439-7065","authenticated-orcid":false,"given":"Bruno","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Heritage and Territory (Lab2PT), University of Minho, 4804-533 Guimar\u00e3es, Portugal"},{"name":"School of Architecture, Art and Design, University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3170-4505","authenticated-orcid":false,"given":"Paulo J. S.","family":"Cruz","sequence":"additional","affiliation":[{"name":"Heritage and Territory (Lab2PT), University of Minho, 4804-533 Guimar\u00e3es, Portugal"},{"name":"School of Architecture, Art and Design, University of Minho, 4804-533 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,20]]},"reference":[{"key":"ref_1","first-page":"100894","article-title":"Additive manufacturing in construction: A review on processes, applications, and digital planning methods","volume":"30","author":"Paolini","year":"2019","journal-title":"Addit. Manuf."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"995","DOI":"10.1016\/j.matpr.2022.03.619","article-title":"Applications, performance, challenges and current progress of 3D concrete printing technologies as the future of sustainable construction\u2014A state of the art review","volume":"65","author":"Rollakanti","year":"2022","journal-title":"Mater. 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