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本文说明了南水北调工程的作用及保质量、保工期、保通水后安全运行的重要意义。分析了渠道过水断面衬砌混凝土面板产生裂缝的各种原因,并从渠坡结构型式、拌和设备、运输设备、机械化衬砌设备、特殊气候条件施工技术控制标准及衬砌后混凝土面板养护等方面提出了预防裂缝产生的控制技术措施。
This article explains the role of the South-to-North Water Diversion Project and its significance in ensuring safe operation, ensuring the working period and ensuring the safe operation after water diversion. The causes of the cracks in the lining concrete slab with channel cross-section were analyzed. And some suggestions were put forward from the aspects of the slope slope structure type, mixing equipment, transportation equipment, mechanized lining equipment, construction technology control standard for special weather conditions and concrete lining maintenance after lining Control measures to prevent cracks.