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WEATHER AFFECTED PARAMETERS OF CONCRETES: A LONG-TERM ASSESSMENT UNDER DIFFERENT CLIMATIC CONDITIONS

Madera, J.; Koci, V.
Abstract:
Computational modelling of hygrothermal performance of building materials has become very popular in recent decades as it is able to provide reliable results in a very short time. However, the accuracy of obtained results depends on various factors, the knowledge of material properties in particular. Even if many sophisticated experimental methods have been developed for that purpose, being able to provide reliable data, there is still one aspect which often remains ignored. According to the literature review, the major part of researchers do not consider changes of material parameters in time, e.g., due to weathering. In this paper, the long-term hygrothermal performance of two types of concrete is investigated by means of computational simulation. The results are achieved for three different locations in the Czech Republic. However, contrary to other researchers, reference and weather affected data are used and the related results are then compared and discussed. The obtained results reveal that weather affected materials may exhibit very different performance, either better or worse. Therefore, long-term changes of material properties due to weathering should be included in every long-term computational task that is supposed to provide relevant results.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
Concrete; computational modelling; hygrothermal performance; long-term assessment; weathering
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM 2018
Book number:
6.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
453-460
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
02-08 July, 2018
ISBN:
978-619-7408-52-2
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
DOI:
10.5593/sgem2018/6.3/S26.059
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