文章从灌区工程实际出发,根据渠道护砌两种不同基面:土基和老混凝土护砌基面,就节水改造混凝土衬砌两种不同施工方案,从投资、工程管理、安全运行、渠道过流、质量控制、施工、造价等方面进行利弊分析,总结出两种方案适用的角度、渠段,同时对于两种方案缺陷、弊病施工控制注意事项进行总结,以方便今后施工。 The article embarks from the actual project of the irrigation area, according to the channel to protect two kinds of different basal plane: the foundation and the old concrete foundation, saves the water to reconstruct the concrete lining two kinds of different construction schemes, from the investment, the project management, the safe operation, the channel Flow, quality control, construction, cost and other aspects of the pros and cons of the analysis, summed up the two programs for the perspectives and channels, at the same time for the two program defects, maladjustment construction control considerations summary, in order to facilitate future construction.