{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T02:43:33Z","timestamp":1773801813408,"version":"3.50.1"},"reference-count":73,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2020,8,13]],"date-time":"2020-08-13T00:00:00Z","timestamp":1597276800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005635","name":"Funda\u00e7\u00e3o Calouste Gulbenkian","doi-asserted-by":"publisher","award":["SBG35-2016"],"award-info":[{"award-number":["SBG35-2016"]}],"id":[{"id":"10.13039\/501100005635","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008530","name":"European Regional Development Fund","doi-asserted-by":"publisher","award":["Portugal2020 - Operational Program for Competitiveness and Internationalization (COMPETE2020), under the project POCI-01-0247-FEDER-033523 \u201cPOSTEJO 4.0: Inova\u00e7\u00e3o para a diversifica\u00e7\u00e3o e a exporta\u00e7\u00e3o"],"award-info":[{"award-number":["Portugal2020 - Operational Program for Competitiveness and Internationalization (COMPETE2020), under the project POCI-01-0247-FEDER-033523 \u201cPOSTEJO 4.0: Inova\u00e7\u00e3o para a diversifica\u00e7\u00e3o e a exporta\u00e7\u00e3o"]}],"id":[{"id":"10.13039\/501100008530","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The sustainability concerns of concrete construction are focused both on the materials\u2019 eco-efficiency and on the structures\u2019 durability. The present work focuses on the characterization of low cement concrete (LCC), regarding time-dependent and durability properties. LCC studies which explore the influence of the formulation parameters, such as the W\/C (water\/cement ratio), W\/Ceq, (which represents the mass ratio between water and equivalent cement), W\/B (water\/binder) ratio, and the reference curves, on the aforementioned properties are limited. Thus, several LCC mixtures were formulated considering two dosages of binder powder, 350 and 250 kg\/m3, the former with very plastic consistency and the latter with dry consistency, which were combined with a large spectrum of cement replacement rates (up to 70%), through adding fly ash and limestone filler, and with different compactness levels. The main objectives were to study the influence of the formulation parameters on the properties: shrinkage and creep, accelerated carbonation and water absorption, by capillarity, and by immersion. The lifetime of structures produced with the studied LCC was estimated, considering the durability performance, regarding the carbonation effect on the possible corrosion of the steel reinforcement. LCC mixtures with reduced cement dosage and high compactness, despite the high W\/C ratios, have low shrinkage and those with higher strength have reduced creep, however depending on W\/Ceq ratio. Those mixtures can be formulated and produced presenting good performance regarding carbonation resistance and, consequently, a long lifetime, which is mandatory for a sustainable construction. LCC with 175 kg\/m3 of cement dosage is an example with higher lifetime than current concrete with 250 kg\/m3 of cement; depending on the XC exposure classes (corrosion induced by carbonation), the amount of cement can be reduced between 37.5% and 42%, since the LCC with 175 kg\/m3 of cement allows reducing the concrete cover below the minimum recommended, ensuring simultaneously the required lifetime for current and special structures.<\/jats:p>","DOI":"10.3390\/ma13163583","type":"journal-article","created":{"date-parts":[[2020,8,13]],"date-time":"2020-08-13T09:23:44Z","timestamp":1597310624000},"page":"3583","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Durability and Time-Dependent Properties of Low-Cement Concrete"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1700-5452","authenticated-orcid":false,"given":"Keila","family":"Robalo","sequence":"first","affiliation":[{"name":"Department of Civil Engineering, Faculty of Sciences and Technology, University of Cape Verde, Praia 279, Cape Verde"},{"name":"Department of Civil Engineering, Architecture and Georesources, CERIS &amp; Instituto Superior T\u00e9cnico, University of Lisbon, 1049-001 Lisbon, Portugal"}]},{"given":"Eliana","family":"Soldado","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISEC-Polytechnic Institute of Coimbra, 3030-199 Coimbra, Portugal"}]},{"given":"Hugo","family":"Costa","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, CERIS &amp; ISEC-Polytechnic Institute of Coimbra, 3030-199 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0027-9625","authenticated-orcid":false,"given":"Lu\u00eds","family":"Carvalho","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISEC-Polytechnic Institute of Coimbra, 3030-199 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3254-2221","authenticated-orcid":false,"given":"Ricardo","family":"do Carmo","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, CERIS &amp; ISEC-Polytechnic Institute of Coimbra, 3030-199 Coimbra, Portugal"}]},{"given":"Eduardo","family":"J\u00falio","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, Architecture and Georesources, CERIS &amp; Instituto Superior T\u00e9cnico, University of Lisbon, 1049-001 Lisbon, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,8,13]]},"reference":[{"key":"ref_1","unstructured":"Ecra (European Cement Research Academy) (2020, July 14). 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