Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/903
Title: Investigation of reinforcement corrosion effects in RC columns produced with blast furnace slag and fly ash under reversed-cyclic lateral loading tests
Authors: Koçer, Mustafa
Boğa, Ahmet Raif
Öztürk, Murat
Keywords: Rc Column
Accelerated Corrosion Test
Corrosion
Blast Furnace Slag
Fly Ash
Concrete Columns
Compressive Strength
Chloride Permeability
Performance
Behavior
Steel
Durability
Resistance
Mixtures
Cement
Publisher: ELSEVIER SCI LTD
Abstract: Corrosion, which threatens reinforced concrete structures throughout their service life, adversely affects the earthquake performance of the structures. For countries located in an active earthquake zone, it is of great importance to investigate the behavior of reinforced concrete structures exposed to corrosion damage under lateral load. For this purpose, the effect of the use of blast furnace slag (BFS) and fly ash (FA) in certain proportions by weight of CEM I 42.5R cement on the reinforcement corrosion inside the RC column and the positive/ negative contribution to the behavior of the columns under lateral load were experimentally investigated. Within the scope of this study, firstly three RC column specimens without any mineral admixture were produced as CONTROL series. In the mineral admixture series, a total of 12 RC column specimens, 3 from each series, were produced by using 20% and 40% BFS, 10% and 20% FA of the cement amount instead of cement, respectively. One of the three columns produced for each series was selected as a reference, and the remaining two-column specimens were exposed to corrosion under constant voltage until theoretically 10% and 30% weight losses were achieved, respectively, using the Faraday Equation in the reinforcements. After the accelerated corrosion tests, the RC columns were tested under reversed-cyclic lateral loading reflecting the earthquake effect. Experimental results show that the use of mineral admixtures in concrete production reduces the risk of corrosion of reinforced concrete elements and improves earthquake behavior.
URI: https://doi.org/10.1016/j.engstruct.2021.112866
https://hdl.handle.net/20.500.13091/903
ISSN: 0141-0296
1873-7323
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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