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坝堤渗漏是水利工程中较为普遍的工程质量问题,为了消除水利工程的潜在安全威胁,通常对坝堤进行防渗加固处理,其中套井回填技术是较为有效的防渗加固技术,其具有增大周围土层的密实度和坝堤防渗性能等特点。基于此,主要阐述套井回填的工作原理、适用范围、工艺流程,同时探讨套井回填技术对坝堤防渗加固情况的分析及技术要求。
Leakage of dam dike is a common engineering quality problem in water conservancy projects. In order to eliminate the potential safety threat of water conservancy project, dam dike is usually treated by seepage control and reinforcement, of which the well cover backfill technology is a more effective anti-seepage reinforcement technology. Increase the density of the surrounding soil and dam dike seepage performance characteristics. Based on this, the working principle, applicable scope and technological process of caisson backfill are mainly expounded. At the same time, the research on caisson seepage prevention and reinforcement by caisson backfill technology is analyzed and the technical requirements are also discussed.