ABSTRACT

Ma, L., 2018. Experimental study on corrosion resistance of carbon fiber reinforced concrete for sea crossing bridge. In: Liu, Z.L. and Mi, C. (eds.), Advances in Sustainable Port and Ocean Engineering. Journal of Coastal Research, Special Issue No. 83, pp. 423–428. Coconut Creek (Florida), ISSN 0749-0208.

The traditional method of concrete corrosion protection and reinforcement is to repair damaged parts with fine stone concrete, so that it cannot restore the structural bearing capacity lost due to corrosion of steel bar, and has poor corrosion resistance. In order to solve this problem, the corrosion resistance test of carbon fiber reinforced concrete for cross sea crossing bridge was analyzed and studied. Firstly, the main reasons for the erosion of concrete structures in seawater were described. The main characteristics of corrosion damage were extracted, and the mechanical properties of carbon fiber reinforced concrete and steel bar were tested. The improved effect of different reinforcement methods on the durability of the specimen was analyzed, and the loading test was carried out after the reinforcement of the carbon fiber for the orroded beam. During the experiment, the influence of corrosion on the flexural behavior of RC beam and the regularity of carbon fiber reinforcement on corrosion beams were analyzed. The experimental results show that the durability of reinforced concrete members is enhanced by carbon fiber reinforced technology.

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