Effect of Climatic Conditions on Carbonation of Concrete Structures

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21610%2F23%3A00378074" target="_blank" >RIV/68407700:21610/23:00378074 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.35181/tces-2023-0014" target="_blank" >https://doi.org/10.35181/tces-2023-0014</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.35181/tces-2023-0014" target="_blank" >10.35181/tces-2023-0014</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of Climatic Conditions on Carbonation of Concrete Structures

Popis výsledku v původním jazyce

Carbonation-induced corrosion is a degradation processes, which causes significant economic losses to the operators of an aging large, reinforced concrete (RC) structures such as cooling towers. Due to large variability of basic variables, the probabilistic approach is suitable to describe carbonation ingress. In this study, the probabilistic model is developed for service life assessments of large RC structures exposed to environmental effects. For existing structures, carbonation ingress in normally described using carbonation depth data from in-situ surveys. The shape of a time-dependent carbonation depth curve, essential for long-term predictions, is expressed through the weather function which accounts for the effect of environmental exposure of the structure. This study indicates how a probabilistic model of carbonation ingress can be established; numerical illustration is focused on existing cooling towers located in the Czech Republic. It appears that when long-term observations of carbonation depth are unavailable, the shape of a time-dependent carbonation depth curve can be determined on the basis meteorological data.

Název v anglickém jazyce

Effect of Climatic Conditions on Carbonation of Concrete Structures

Popis výsledku anglicky

Carbonation-induced corrosion is a degradation processes, which causes significant economic losses to the operators of an aging large, reinforced concrete (RC) structures such as cooling towers. Due to large variability of basic variables, the probabilistic approach is suitable to describe carbonation ingress. In this study, the probabilistic model is developed for service life assessments of large RC structures exposed to environmental effects. For existing structures, carbonation ingress in normally described using carbonation depth data from in-situ surveys. The shape of a time-dependent carbonation depth curve, essential for long-term predictions, is expressed through the weather function which accounts for the effect of environmental exposure of the structure. This study indicates how a probabilistic model of carbonation ingress can be established; numerical illustration is focused on existing cooling towers located in the Czech Republic. It appears that when long-term observations of carbonation depth are unavailable, the shape of a time-dependent carbonation depth curve can be determined on the basis meteorological data.

Druh

J_ost - Ostatní články v recenzovaných periodicích

CEP obor

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OECD FORD obor

20102 - Construction engineering, Municipal and structural engineering

Projekt

<a href="/cs/project/GA23-06222S" target="_blank" >GA23-06222S: Vliv stochastické interakce účinků klimatických zatížení na spolehlivost konstrukcí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Transaction of the VSB – Technical University of Ostrava, Civil Engineering Series

ISSN

1213-1962

e-ISSN

1804-4824

Svazek periodika

23

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

41-46

Kód UT WoS článku

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EID výsledku v databázi Scopus

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