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渠道衬砌施工质量控制是大型渠道工程所关注的重点及难点,保证其施工质量尤为关键。以南水北调中线干线黄河段工程为依托,将渠道衬砌质量控制分解为渠床整理、永久排水系统、砂砾石垫层、保温板、复合土工膜、衬砌混凝土以及伸缩缝等关键工序的质量控制,分析了各工序的施工质量控制要点,为大型渠道衬砌施工质量控制与质量保证提供参考。
The quality control of channel lining construction is the focus and difficulty of large-scale channel project, and the construction quality is particularly crucial. Based on the project of the Yellow River in the middle route of South-to-North Water Diversion Project, the quality control of canal lining is decomposed into quality control of key processes such as canal bed arrangement, permanent drainage system, sand and gravel cushion, insulation board, geomembrane, lining concrete and expansion joint. The main points of construction quality control of each process are provided for reference for the quality control and quality assurance of large-scale canal lining construction.