{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:29:50Z","timestamp":1760146190139,"version":"build-2065373602"},"reference-count":59,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T00:00:00Z","timestamp":1727654400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Portuguese Foundation for Science and Technology","award":["UIDB\/00308\/2020","UIDB\/00285\/2020","LA\/P\/0112\/2020","2022.04729.CEECIND\/CP1714\/CT0010"],"award-info":[{"award-number":["UIDB\/00308\/2020","UIDB\/00285\/2020","LA\/P\/0112\/2020","2022.04729.CEECIND\/CP1714\/CT0010"]}]},{"name":"national funds","award":["UIDB\/00308\/2020","UIDB\/00285\/2020","LA\/P\/0112\/2020","2022.04729.CEECIND\/CP1714\/CT0010"],"award-info":[{"award-number":["UIDB\/00308\/2020","UIDB\/00285\/2020","LA\/P\/0112\/2020","2022.04729.CEECIND\/CP1714\/CT0010"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Cement-based construction materials, commonly known as \u201ccement concrete\u201d, result from the hydration reaction of cement, which releases heat. Numerous studies have examined the heat of cement hydration and other thermal properties of these materials. However, a significant gap in the literature is the assessment of the impact of the hydration temperature on the material\u2019s strength, particularly compressive strength. This work presents an experimental methodology that consistently estimates the temperature evolution of a mixture used to manufacture concrete or mortar during the first hours of Portland cement hydration. The methodology aims to ensure results that correspond to an infinite medium (adiabatic conditions), where there are no heat losses to the surroundings. Results obtained under adiabatic conditions (simulating an infinite medium) indicate that a ready-made mortar (Portland cement: sand: water; 1:2.5:0.5) can reach temperatures of approximately 100 \u00b0C after 48 h of hydration. Under these conditions, compressive strength decreases by up to 20%.<\/jats:p>","DOI":"10.3390\/ma17194830","type":"journal-article","created":{"date-parts":[[2024,9,30]],"date-time":"2024-09-30T11:32:05Z","timestamp":1727695925000},"page":"4830","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["New Methodology for Evaluating Strength Degradation from Temperature Increase in Concrete Hydration under Adiabatic Conditions"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5092-4891","authenticated-orcid":false,"given":"Adelino V.","family":"Lopes","sequence":"first","affiliation":[{"name":"INESC, Department of Civil Engineering, University of Coimbra, 3030-788 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8101-7095","authenticated-orcid":false,"given":"Sergio M. R.","family":"Lopes","sequence":"additional","affiliation":[{"name":"CEMMPRE, ARISE, Department of Civil Engineering, University of Coimbra, 3030-788 Coimbra, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,30]]},"reference":[{"key":"ref_1","first-page":"55","article-title":"Thermal Crack Risk of Concrete Structures: Evaluation of Theoretical Models for Tunnels and Bridges","volume":"56","author":"Nilimaa","year":"2017","journal-title":"Nord. Concr. Res."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"135795","DOI":"10.1016\/j.conbuildmat.2024.135795","article-title":"A Review of Mechanical Properties of Deteriorated Concrete Due to Delayed Ettringite Formation and Its Influence on the Structural Behavior of Reinforced Concrete Members","volume":"422","author":"Sanjeewa","year":"2024","journal-title":"Constr. Build. Mater."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Li, J., Yu, Z., Wu, J., Ding, Q., Xu, W., and Huang, S. (2023). 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