长江口某海塘渗漏通道探测及成因分析OA

Seepage poses a threat to the safe operation of seawalls,and efficient detection techniques can enable early identification of seepage.Taking the detection of seepage pathways in a seawall embankment at the mouth of the Yangtze River as an example,the seepage pathway of the embankment was detected by geophysical methods such as natural electric field method,charging method,high-density electrical method,and combines some exploration trenches for verification.The results showed that the natural electric field method had a good survey effect,and the charging method and high-density electrical method can accurately determine the location,burial depth,and scale of the seepage pathway.Through analysis of the integrated detection data,geological conditions,and the surrounding environmental setting,the paper concluded that the primary internal factor leading to the formation of the seepage pathway was the soil type,while the external influencing factors were construction activities and hydrological conditions.Based on this,a mitigation scheme was proposed to add high-pressure jet grouting piles on the secondary berm,and the implementation of this scheme achieved good results.The paper can provide reference and inspiration for similar project detection,and provide technical support for design,construction,and safe operation and maintenance.