Experimental Study On Iffusion Rule Of The Chllride Ion In Reinforced Concrete Members

Durability of the reinforced concrete structure is the most important factor of building servicelife.The loss of durability in practical projects increasingly becomes the focus of attention.Currently, a large number of reinforced concrete structural projects are damaged because ofchlorine ion in surrounding environment. So this topic has become an important branch to study.This article analysis diffusion rule of chlorine ion in concrete, regulation and characteristics ofcorrosion in concrete through reinforced concrete beams in salt fog corrosion test researchcharacteristics of corrosion. Test analogs 20 years sea environment by using salt fog corrosionbox in laboratory. The samples were got out in gradient from reinforced concrete beams'threesurface. Measure the content of chlorine ion according to the relevant provisions. Research andanalysis experimental beams'chloride ions diffusion through variation of chlorine ion.Secondly,take beams'reinforced steel. Observe the damage of reinforced steel. Analysis and summary thereinforced steel'situation by observe damaged extent. Through the above two aspects,comprehensively understand reinforced concrete'corrosion degree and regular changes bychloride ions corrosion. Try to understand the whole process of chlorine ion diffusion inreinforced concrete.Test results showed that chlorine ion linear diffusion in concrete andcomply with the secondFick diffusion law. Reinforced damaged seriously. It is significant to effectively protectreinforced concrete by improving the concrete aggregate strength, reducing water cement ratio.The research results offer some reference and help to further research of chlorine ion diffusionin concrete, protection of reinforced concrete in chloride ions corrosion environment.