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一、U形渠道发展概况山西省U形渠道防渗技术是在引进兄弟省的技术基础上,通过典型示范、试验改进、分类指导、以点带面发展起来的。1981年山西省水利科学研究所组织科技人员到陕西省参观学习,引进了宝鸡峡灌区的U形渠道施工机械,在太谷县郭堡水库灌区、翼城县利民灌区进行试点。通过改革机具、质量测试、施工技术改进,取得成功。自1986年开始,在井灌区大搞U形渠道防
First, the development of U-shaped channel Shanxi U-shaped channel seepage control technology is introduced in the province based on the technology, through the typical demonstration, experimental improvement, classified guidance, with the point of development. In 1981, Shanxi Institute of Hydraulic Research organized scientific and technological personnel to visit and study in Shaanxi Province. U-shaped channel construction machinery in Baojixia Irrigation District was introduced and pilot projects were carried out in Guobao Reservoir Irrigation District and Yicheng County Limin Irrigation District in Taigu County. Through the reform of equipment, quality testing, construction technology improvements, success. Since 1986, U-channel prevention has been vigorously promoted in well irrigation areas