Calculation of Rate of Corrosion of Reinforcing Steel caused by Chlorid in Concrete By MORINAGA Formula.

Keyword

Rate of Corrosion of Reinforcing Steel,Chlorid,MORINAGA Formula,Water/Cement Weight Ratio,Salt(NaCl) Concentration of Mixing Water,Diameter of Reinforcing Bar,Temperature,Relative Humidity.

Reference

・『鉄筋の腐食速度に基づいた鉄筋コンクリート建築物の寿命予測に関する研究』（森永繁）.

Remarks

・N=58.44/35.45*Weight of Chlorine-Ion in concrete(kg/m^3)/Unit Water Weight(kg/m^3)*100.
Example：If Weight of Chlorine-ion in concrete(kg/m^3) is 1.0(kg/m^3) and Unit Water Weight is 200(kg/m^3) ,N equals 0.825%.

History

・2009/04/09：Upload.