Cumulative Damage Assessment of Concrete Exposed to Environmental Effects

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F18%3A00324334" target="_blank" >RIV/68407700:21110/18:00324334 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1063/1.5043727" target="_blank" >http://dx.doi.org/10.1063/1.5043727</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.5043727" target="_blank" >10.1063/1.5043727</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Cumulative Damage Assessment of Concrete Exposed to Environmental Effects

Popis výsledku v původním jazyce

One ordinary concrete and two types of high performance concrete are exposed to weather conditions of Prague for three years in order to study the influence of cumulative damage caused by the environment on their properties and hygrothermal performance. The experimentally measured material properties are subsequently used as input data in computational modeling of coupled heat and moisture transport and, based on the obtained results, the damage assessment is carried out. The results indicate that weathering of samples negatively influences their hygric transport properties which is subsequently reflected in their service life. While the high performance concretes are relatively resistant to weathering, depending on their composition and mechanical properties, the service life of the ordinary concrete may be significantly reduced, as the number of possible freeze/thaw cycles within the reference year is found to increase from 12 to 22 after the three-years exposure to the external environment. Cumulative damage should therefore be included in most service life analyses that are supposed to produce precise results.

Název v anglickém jazyce

Cumulative Damage Assessment of Concrete Exposed to Environmental Effects

Popis výsledku anglicky

One ordinary concrete and two types of high performance concrete are exposed to weather conditions of Prague for three years in order to study the influence of cumulative damage caused by the environment on their properties and hygrothermal performance. The experimentally measured material properties are subsequently used as input data in computational modeling of coupled heat and moisture transport and, based on the obtained results, the damage assessment is carried out. The results indicate that weathering of samples negatively influences their hygric transport properties which is subsequently reflected in their service life. While the high performance concretes are relatively resistant to weathering, depending on their composition and mechanical properties, the service life of the ordinary concrete may be significantly reduced, as the number of possible freeze/thaw cycles within the reference year is found to increase from 12 to 22 after the three-years exposure to the external environment. Cumulative damage should therefore be included in most service life analyses that are supposed to produce precise results.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/GBP105%2F12%2FG059" target="_blank" >GBP105/12/G059: Kumulativní časově závislé procesy ve stavebních materiálech a konstrukcích</a><br>

Návaznosti

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

Rok uplatnění

2018

Kód důvěrnosti údajů

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

Název statě ve sborníku

Proceedings of International Conference on Numerical Analysis and Applied Mathematics 2017 (ICNAAM-2017)

ISBN

978-0-7354-1690-1

ISSN

—

e-ISSN

0094-243X

Počet stran výsledku

4

Strana od-do

—

Název nakladatele

AIP Conference Proceedings

Místo vydání

New York

Místo konání akce

Thessaloniki

Datum konání akce

25. 9. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000445105400076