CATHODIC PROTECTION STUDIES ON COAL-TAR EPOXY-COATED CONCRETE PRESSURE PIPE

被引：0
|
作者：
HALL, SC [1 ]
CARLSON, EJ [1 ]
STRINGFELLOW, RG [1 ]
机构：
[1] AD LITTLE, CAMBRIDGE, MA 02140 USA
来源：
MATERIALS PERFORMANCE | 1994年 / 33卷 / 10期
关键词：
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Coal tar epoxy (CTE) is applied to the external mortar coating of concrete pressure pipe to prevent the ingress of chloride ions. However, pinholes and cracks in the CTE and mortar coating can form a path for chloride ingress corroding the underlying steel. Experimental results, corroborated by mathematical modeling, showed that cathodic protection can effectively protect the steel under cracked and chloride-contaminated mortar that has a CTE topcoat.
引用
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页码：29 / 33
页数：5
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