钱塘江海塘杭州江干段隐患探测分析

Survey on Hidden Troubles of Seawall in Jianggan Section of Qiantang River

基于EM34-3型大地电导率仪的硬件系统Hardware system的隐患综合探测系统,可测出海塘内部裂缝等隐患,为海塘隐患的探测提供了一套实用有效的方法和手段.通过对杭州市江干区钱塘江海塘进行隐患探测和普查,并对实际探测的典型异常进行了分析和判释,部分探测结果还进行现场实际验证,分析出江干区海塘存在一定数量和程度的质量隐患.

The hidden-trouble detection system based on earth conductivity detector EM34-3 is demonstrated first in the article in terms of inner-crack detecing of Qiantang Seawall,which is proved to be a practical and effective detecting approach for seawall hidden troubles.In addition,the hidden troubles of Qiantang Seawall in Jianggan District of Hangzhou are analyzed in the paper,and the typical abnormality existed is also explained,and part of the analysis result was tested and verified in practice.The result showed that the hidden-trouble detection system is available in detecting the cracks inside seawall,which could be a practical and useful method for hidden-trouble survey of the sea dike.