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A platform for research: civil engineering, architecture and urbanism
Corrosion Protection Performance Evaluation of Low Permeable Concretes in Exposure Specimens
The application of a mineral admixture or a combination of a mineral admixture with corrosion inhibitor are the methods used for the corrosion protection for reinforced concrete bridges. The results of a 1.5-year study on evaluation of three concretes with fly ash, slag cement (SC), and silica fume (SF) and one concrete with silica fume and a corrosion inhibitor (SFD) are presented. The specimens were built to simulate four exposure conditions typical for concrete bridges located in the coastal region or inland where deicing salts are used. The exposure conditions were horizontal, vertical, tidal, and immersed zones. The specimens were kept inside the laboratory and were exposed to weekly ponding cycles of 6% sodium chloride solution by weight. In addition, cover depth measurements from 21 bridge decks and chloride data from 3 bridge decks were used, together with laboratory data, in modeling the service lives of investigated corrosion protection methods.
Corrosion Protection Performance Evaluation of Low Permeable Concretes in Exposure Specimens
The application of a mineral admixture or a combination of a mineral admixture with corrosion inhibitor are the methods used for the corrosion protection for reinforced concrete bridges. The results of a 1.5-year study on evaluation of three concretes with fly ash, slag cement (SC), and silica fume (SF) and one concrete with silica fume and a corrosion inhibitor (SFD) are presented. The specimens were built to simulate four exposure conditions typical for concrete bridges located in the coastal region or inland where deicing salts are used. The exposure conditions were horizontal, vertical, tidal, and immersed zones. The specimens were kept inside the laboratory and were exposed to weekly ponding cycles of 6% sodium chloride solution by weight. In addition, cover depth measurements from 21 bridge decks and chloride data from 3 bridge decks were used, together with laboratory data, in modeling the service lives of investigated corrosion protection methods.
Corrosion Protection Performance Evaluation of Low Permeable Concretes in Exposure Specimens
J. Zemajtis (author) / R. E. Weyers (author) / M. M. Sprinkel (author)
1999
150 pages
Report
No indication
English
Corrosion & Corrosion Inhibition , Construction Equipment, Materials, & Supplies , Construction Materials, Components, & Equipment , Corrosion prevention , Admixtures , Bridges(Structures) , Concrete structures , Compressive strength , Fly ash , Reinforcing steels , Bridge decks , Chlorides , Permeability , Concrete durability
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