Extended evaluation of durability-related field inspection data from concrete bridges under service

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F20%3APU139654" target="_blank" >RIV/00216305:26110/20:PU139654 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27120/20:10247074

Výsledek na webu

<a href="https://reader.elsevier.com/reader/sd/pii/S2452321620304637?token=242D4E33AFE881D199BF799773FC91954EA90829C7D75A6C991B9986CAD67C36E89D723E874BBE6A225380254CBD19B9" target="_blank" >https://reader.elsevier.com/reader/sd/pii/S2452321620304637?token=242D4E33AFE881D199BF799773FC91954EA90829C7D75A6C991B9986CAD67C36E89D723E874BBE6A225380254CBD19B9</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Extended evaluation of durability-related field inspection data from concrete bridges under service

Popis výsledku v původním jazyce

The paper continues and extends the assessments of the degradation level of reinforced concrete bridges under service in the Czech Republic. The evaluation is based on the in-situ measurements that were performed on the bridges belonging to main roads and motorways. The combined effect of aggressive agents (carbonation and chlorides) related to the risk of corrosion of steel reinforcement was evaluated on drilled concrete core samples. The ratio between the concentrations of Cl– and OH– was evaluated based on the ratio of water-soluble chloride content and pH. All the data were summarized in a statistical manner, and the relationships among resulting data were provided. The main goal of this study is to extend the number of investigated bridges from five bridges to fourteen; the published results from already evaluated highway bridges are complemented by four more main road bridges and five motorway bridges. The focus is given to the non-proportional influence of the chloride content per mass of concrete on the reinforcement corrosion and to localization of the “critical” parts of the bridges affected by corrosion related degradation.

Název v anglickém jazyce

Extended evaluation of durability-related field inspection data from concrete bridges under service

Popis výsledku anglicky

The paper continues and extends the assessments of the degradation level of reinforced concrete bridges under service in the Czech Republic. The evaluation is based on the in-situ measurements that were performed on the bridges belonging to main roads and motorways. The combined effect of aggressive agents (carbonation and chlorides) related to the risk of corrosion of steel reinforcement was evaluated on drilled concrete core samples. The ratio between the concentrations of Cl– and OH– was evaluated based on the ratio of water-soluble chloride content and pH. All the data were summarized in a statistical manner, and the relationships among resulting data were provided. The main goal of this study is to extend the number of investigated bridges from five bridges to fourteen; the published results from already evaluated highway bridges are complemented by four more main road bridges and five motorway bridges. The focus is given to the non-proportional influence of the chloride content per mass of concrete on the reinforcement corrosion and to localization of the “critical” parts of the bridges affected by corrosion related degradation.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/GA18-07949S" target="_blank" >GA18-07949S: Pravděpodobnostní modelování trvanlivosti železobetonových konstrukcí s uvážením spolupůsobení karbonatace, chloridů a mechanického zatížení</a><br>

Návaznosti

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

Rok uplatnění

2020

Kód důvěrnosti údajů

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

Název statě ve sborníku

Procedia Structural Integrity - The 1st Mediterranean Conference on Fracture and Structural Integrity, MedFract1

ISBN

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ISSN

2452-3216

e-ISSN

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Počet stran výsledku

9

Strana od-do

430-438

Název nakladatele

Neuveden

Místo vydání

neuveden

Místo konání akce

Athens

Datum konání akce

26. 2. 2020

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000591520100054