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在中小型灌区防渗中,U形砼防渗渠优点多、应用广。但现行的人工现场浇筑,滑模衬砌机浇筑和预制构件成型机预制安装等施工方法,分别具有施工质量差,技术难度大,工程造价高等问题。在农村现实条件下,不易推广。针对此问题,我们在吸收现有各种施工方法优点的基础上,研究了一种适应农村现实经济技术条件的U形砼防渗渠简易施工方法。经运用实践证明,可节省工程投资40%以上,渠道输水利用系数达0.96,并且坚固美观,便于管理。
In small and medium-sized irrigation seepage control, U-shaped concrete seepage control trench more advantages, wide application. However, the current construction methods such as manual pouring on site, slip casting of lining machine and prefabrication of prefabricated component molding machines have the problems of poor construction quality, high technical difficulty and high project cost respectively. In rural real conditions, not easy to promote. In response to this problem, on the basis of absorbing the advantages of various existing construction methods, we have studied a simple U-shaped concrete seepage control construction method that meets the real economic and technical conditions in rural areas. Proved through the use of practice, can save more than 40% of project investment, channel water utilization coefficient of 0.96, and rugged appearance, easy to manage.