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Medientyp:
E-Artikel
Titel:
Maturity curve for estimating the in-place strength of high performance concrete
Beteiligte:
Mariak, Aleksandra;
Kurpińska, Marzena;
Wilde, Krzysztof
Erschienen:
EDP Sciences, 2019
Erschienen in:
MATEC Web of Conferences, 262 (2019), Seite 06007
Sprache:
Nicht zu entscheiden
DOI:
10.1051/matecconf/201926206007
ISSN:
2261-236X
Entstehung:
Anmerkungen:
Beschreibung:
The paper presents the maturity curve for estimating the in-place early-age compressive strength of concrete. The development of appropriate maturity curve is a complex process. It is important to correctly determine the datum temperature and activation energy, which can be obtained in mortar tests. This paper describes an investigation of the accuracy of the maturity method to estimate the strength when different way to rate constant and maturity function are analysed. High performance concrete used for construction of extradosed bridge was tested. The developed curve was implemented to predict the concrete strength at three construction stages, in summer, autumn and early spring.