| Summary: | 碩士 === 國立臺灣海洋大學 === 河海工程學系 === 97 === This research uses different current densities and two kind of electrolyte in electrodeposit method to study the effects of repairing cement paste specimens.
The result shows that the flexural strength of the specimen increases as the repairing time increases. By comparing the flexural strength of the pre-cracked cement paste specimens for repairing two weeks with the unrepaired cracked specimens, both of the electrolytes, ZnSO4 and Zn(CH3COO)2, were efficient, and the electrolyte of ZnSO4 is more efficient.
The research shows that the placement of the specimen and the electrode can influence the efficiency of the electrodeposit. Using the higher current in the treatment will electrolyze the cement, and the surface of the specimens will be deteriorated, even reduces the flexural strength.
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