Effect of Pulse Parameters on Deposition in Concrete Crack using Pulse Current Electro-deposition

被引：0

作者：

储洪强 ^{[1
]}

WANG Tingting ^{[1
]}

JIANG Linhua ^{[1
]}

XU Yi ^{[1
]}

SONG Zijian ^{[1
]}

XU Ning ^{[2
]}

ZHAO Sujing ^{[1
]}

机构：

[1] College of Mechanics and Materials, Hohai University

[2] Nanjing Hydraulic Research Institute

来源：

JournalofWuhanUniversityofTechnology(MaterialsScience) | 2018年 / 33卷 / 04期

关键词：

pulse electro-deposition; repair of concrete cracks; pulse parameters; healing effect;

D O I：

暂无

中图分类号：

TU528 [混凝土及混凝土制品];

学科分类号：

0805 ; 080502 ; 081304 ;

摘要：

To evaluate the effect of pulse parameters on the formation of electrodeposits in concrete cracks, five different types of pulse current were set up, and ZnSO4 and MgSO4 solutions were used as the electrolytes. The rate of weight gain, rate of surface coating, rate of crack closure and crack filling depth were measured. Scanning electron microscopy was used to assess the morphology of the electrodeposits, and energy dispersive spectroscopy was used to analyze the mineral composition of the electrodeposits in the cracks. The experimental results demonstrate that, among five different pulse parameters, when Ton/Toff=0.8 ms/0.8 ms, the healing effect of electro-deposition is the best. The pulse mode hardly affects the mineral composition of the electrodeposits but changes the micromorphology. In addition, for both ZnSO4 and MgSO4 solutions, when Ton/Toff=0.8 ms/0.8 ms, the crystal structure of the electrodeposits is the most uniform and the densest.

引用

页码：908 / 914

页数：7

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