{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T05:19:39Z","timestamp":1762492779481,"version":"build-2065373602"},"reference-count":58,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2025,11,5]],"date-time":"2025-11-05T00:00:00Z","timestamp":1762300800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"German Research Foundation","doi-asserted-by":"crossref","award":["46792820"],"award-info":[{"award-number":["46792820"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Polymer modification is a widely employed technique for optimizing specific properties of mortars and concretes. This process entails the precise tailoring of the binder phase to the requirements of the given application. The polymer addition exerts a significant influence on both the fresh and hardened states of mortar or concrete. In this study, a systematic, stepwise experimental campaign was carried out to investigate the effects of three different polymer dispersions on the time-dependent properties of cement pastes, mortars, and concretes at different temperatures in the service temperature range. The experimental findings demonstrate that polymer modifications significantly influence the behavior of hardened cement-based materials. In general, the strength and deformation resistance decreased with increasing temperature, with this effect being more pronounced in polymer-modified materials. This is indicative of the intrinsic temperature-dependent behavior of the polymers. Temperatures of \u221220 \u00b0C induced specific alterations in the mechanical behavior, particularly evident in the flexural strength and in the early age stiffness development of the pastes, mortars, and concretes. This phenomenon is attributed to the freezing of pore water, which results in the stiffening of the binder structure. In summary, the findings offer significant insights into the structure\u2013property relationships of polymer-modified cement-based materials in relation to temperature.<\/jats:p>","DOI":"10.3390\/ma18215043","type":"journal-article","created":{"date-parts":[[2025,11,5]],"date-time":"2025-11-05T16:09:47Z","timestamp":1762358987000},"page":"5043","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Structure\u2013Property Relationships of Polymer-Modified Cement Concrete (PCC) Under Service Temperature Conditions"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7916-6833","authenticated-orcid":false,"given":"Alexander","family":"Flohr","sequence":"first","affiliation":[{"name":"F. A. Finger-Institute for Building Materials Science, Bauhaus-Universit\u00e4t Weimar, 99423 Weimar, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Savitha Devarajamohalla","family":"Narayana","sequence":"additional","affiliation":[{"name":"F. A. Finger-Institute for Building Materials Science, Bauhaus-Universit\u00e4t Weimar, 99423 Weimar, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1955-1024","authenticated-orcid":false,"given":"Luise","family":"G\u00f6bel","sequence":"additional","affiliation":[{"name":"F. A. Finger-Institute for Building Materials Science, Bauhaus-Universit\u00e4t Weimar, 99423 Weimar, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3098-0671","authenticated-orcid":false,"given":"Andrea","family":"Osburg","sequence":"additional","affiliation":[{"name":"F. A. Finger-Institute for Building Materials Science, Bauhaus-Universit\u00e4t Weimar, 99423 Weimar, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,11,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"926","DOI":"10.1016\/j.cemconcomp.2005.05.004","article-title":"Cement concrete and concrete\u2013polymer composites: Two merging worlds: A report from 11th ICPIC Congress in Berlin, 2004","volume":"27","author":"Czarnecki","year":"2005","journal-title":"Cem. Concr. Compos."},{"key":"ref_2","unstructured":"Schorn, H. (1991). Betone mit Kunststoffen und Andere Instandsetzungsbaustoffe: Ein Buch zum Stand der Technik mit Kommentaren zum Technischen Regelwerk, Ernst."},{"key":"ref_3","first-page":"e02555","article-title":"Application of polymer cement repair mortar in underground engineering: A review","volume":"19","author":"Yuan","year":"2023","journal-title":"Case Stud. Constr. 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