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全面阐述了九江市长江干堤堤基地质条件和加固处理的必要性。堤基处理分为堤基防渗处理和堤基加固处理。堤基防渗处理采用塑性混凝土防渗墙 ;堤基加固处理采用水泥土深层搅拌桩和旋喷桩。工程实施后 ,经 1999年汛期最高水位2 2 .43m(居历史记录第二位 )考验 ,堤基未发生渗水 ,说明设计是可行的 ,施工质量是好的。
This paper comprehensively expounds the geological conditions of the embankment of the Yangtze River in Jiujiang and the necessity of reinforcement. Embankment treatment is divided into embankment seepage treatment and embankment reinforcement. Embankment seepage control using plastic concrete cutoff walls; embankment reinforcement using deep mixing of soil and cement and rotary jet grouting pile. After the project was put into operation, after the test of the highest water level in flood season in 1999 of 22.43m (second place in history record), no seepage occurred on the dike foundation, indicating that the design was feasible and construction quality was good.