Experimental Study On Salts Corrosion To HPC Piles In The Beachforont

Due to the long-term action of corrosion,the performance of concrete structure becomes inferior, which decreases its durability and leads it to damage in advance, it has become an important problem for corrosion causing durability degradation of concrete structure in the field of civil engineering, and thus become a hot topic to research.. On the basis of systematically summarizing the international and domestic research of mainly studies two kind of salts to the concrete as well as the high performance concrete corrosive action, the main contents are as follows:Firstly, this paper introduced the concrete corrodes type, and Briefs our country various areas different corrosion situation. Has discussed this topic research key: sulfate radical ion and chloride ion to reinforced concrete structure corrosion mechanism. This paper has introduced the high performance concrete nature characteristics. Analyzed enhanced the concrete performance the technical measure. This paper has introduced this paper topic background as well as the project background. This paper has introduced the pre-stressed steel pipe driven in as piling production technical process as well as its particularity.Secondly, this article key analysis at present domestic and foreign has also carried on the concrete endurance test the method, and has carried on the analysis to its serviceability as well as the limitation. Have carried on the detailed analysis to this article testing method and the testing, and has carried on the detailed discussion to our with emphasis research salt to the concrete corrosion part. This paper has analyzed two testing data acquisition method and the principle.Finally, has carried on the macroscopic description to the sulfate and the chlorine salt corrosion concrete experiment process. Passes through may obtain to sulfate corrosion data processing: Performance can the more effective enhancement anti-sulfate corrode which after the improvement concrete formula. Simultaneously also proposed the establishment volume expansion rate and the intensity loss factor relations. Simultaneously it is suitable for the pre-stressed steel pipe driven in as piling production, all has to the future production application the extremely vital significance.