3Prezzi M , Geyskens Ph , Monteiro P. J . M. Relia- bility approach to Service Life Prediction of Concrete Exposed to Marine ACIMaterialJournal, Technicalpaper [J ]. vol. 93 no6,1996,544 -552.
4Weber . H and Wenderoth. G, Reinforces con- erete2Damages and repair [ J ]. Expert Publisher , 1987.
5l.,inxiuWu, Aliphafie ZimingW ang. Investigation on Sulfonate- based Superplastieizer. the Synthesis and Applications of Sixth CANMETIACI International Con- fere nee on Superplastieizers and Other Chemical Ad- imixturesin Concrete Nice, France 2000.