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Corrosion Resistance of 50 Years Concrete Exposed to Saline Areas

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Abstract:

The Hong Run petrochemical oil depot is located in a saline area in the north of Weifang, where the contents of chloride and sulfate in this area are very high. Due to the rigorous environmental conditions, concrete with 50 years durability and C40 strength grade was prepared. A kind of corrosion resistance concrete with high performance superfine mineral powder and high performance pumping agent was developed to adapt to the conditions in saline areas. The chloride-penetration resistance ability was investigated by the test of chloride ion rapid electric transport (ASTM C1202). The concrete compressive strength and mortar expansion rate under continuous immersion in four different corrosion solutions was studied. The results showed that the chloride-penetration grade is very low. The compressive strength is high and the mortar expansion rate lower than 0.1%.

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Periodical:

Applied Mechanics and Materials (Volumes 584-586)

Pages:

1165-1171

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.584-586.1165

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Cite this paper

Online since:

July 2014

Authors:

De Cheng Zhang*, Yan Ping Lv, Sheng Li Fan, Min Ouyang, Xiao Lei Xu

Keywords:

Chloride-Penetration Resistance, Concrete, High Performance Superfine Mineral Powder, Sulfate Resistance

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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