The impact of cooling rate on strains in freezing concrete

openaccess, Uncategorized, Vol. 607 (3) 2023 / poniedziałek, 20 marca, 2023

(Open Access)

DOI: 10.15199/33.2023.03.02

Koniorczyk Marcin, Bednarska Dalia, Konca Piotr, Giergiczny Zbigniew. 2023. The impact of cooling rate on strains in freezing concrete. Volume 607. Issue 3. Pages 5-10. Article in PDF file

Accepted for publication: 15.02.2023 r.

The main purpose of the manuscript was to analyze the influence of cooling rate on deformation of concrete while freezing. Experimental studies concerned the measurement of strains generated during cooling-heating cycles carried out at different rates. The analysis was supplemented with porosimetric and calorimetric tests. The obtained results unambiguously confirm the Powers theory that concrete deformations rise with the increase of the cooling rate. The maximum strains observed in the air-entrained concrete were much lower compared to the reference material, which confirms the validity of the use of admixtures increasing the frost resistance of the material.
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prof. dr hab. inż. Marcin Koniorczyk, Politechnika Łódzka, Wydział Budownictwa, Architektury i Inżynierii Środowiska ORCID: 0000-0002-6887-4324
dr inż. Dalia Bednarska, Politechnika Łódzka, Wydział Budownictwa, Architektury i Inżynierii Środowiska ORCID: 0000-0002-2146-0650
dr inż. Piotr Konca, Politechnika Łódzka, Wydział Budownictwa, Architektury i Inżynierii Środowiska ORCID: 0000-0002-5415-5169
prof. dr hab. inż. Zbigniew Giergiczny, Politechnika Śląska, Wydział Budownictwa ORCID: 0000-0003-2994-2010

dr inż. Dalia Bednarska, Politechnika Łódzka, Wydział Budownictwa, Architektury i Inżynierii Środowiska ORCID: 0000-0002-2146-0650

dalia.bednarska@p.lodz.pl

Full paper:

DOI: 10.15199/33.2023.03.02

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