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该文以长江重要堤防隐蔽工程为实例 ,介绍了水、浆两重管旋喷工艺的特点。实例表明 ,该工艺特别适应作业空间受限地段防渗工程施工 ,且改进后的双液注浆工艺可有效处理复杂地基条件下的地层漏浆问题 ,极具推广价值。
In this paper, an important dike concealment project in the Yangtze River is taken as an example to introduce the characteristics of double pipe rotary jetting technology of water and slurry. The example shows that the technology is especially suitable for the construction of seepage control projects with limited working space. The improved two - liquid grouting technology can effectively deal with the formation leakage problem under complicated foundation conditions, and is of great promotion value.