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Pregled bibliografske jedinice broj: 492828

Zbornik radova

Autori: Grandić, Davor; Bjegović, Dubravka
Naslov: Reinforcement Corrosion Rate in Cracked Areas of RC-Members Subjected to Sustained Load
Izvornik: Modelling of Corroding Concrete Structures - Proceedings of the Joint fib-RILEM Workshop held in Madrid, Spain, November 2010 / Carmen Andrade, Giuseppe Mancini (ur.). - Heidelberg : Springer , 2011. 65-83 (ISBN: 978-94-007-0676-7).
ISSN: 2211-0844
Skup: Joint Fib-RILEM Workshop on Modelling of Corrosion Concrete Structures
Mjesto i datum: Madrid, Španjolska, 22-23.11.2010.
Ključne riječi: measured corrosion rate; cracked RC-members; chlorides; sustained load
Sažetak:
The results of measuring the reinforcement corrosion rate of reinforced concrete beam and slab specimens subjected to sustained load are presented in this paper. Beam and slab specimens were subjected to corrosion of reinforcement under controlled conditions in an environmental chamber, where corrosion was initiated and accelerated in cycles of spraying with sodium chloride solution and drying the specimens. Cracks in concrete were caused by sustained load. During the experiment reinforced concrete samples were cracked, except near the supports, in area with small bending moments. A significant effect of increasing of corrosion rate due to presents of cracks was observed. The corrosion rates in uncracked areas of specimens were significantly smaller than in the cracked areas of the same specimens. The corrosion rate was measured by using galvanostatic impulse method. The measuring points were distributed along the beam and slab specimens. In this paper the influence of cracks on the time of initiation of corrosion and corrosion rate is analysed. Also, the relation between the measured values of the half-cell potential and corrosion rate is investigated. The results presented in the paper are part of the comprehensive experimental research.
Rad je indeksiran u
bazama podataka:
Scopus
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 082-0822161-2159
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo
Upisao u CROSBI: dgrandic@gradri.hr (dgrandic@gradri.hr), 28. Stu. 2010. u 15:18 sati



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