Application of Assembly Type U-drainage in Land Consolidation Project

A small-scale irrigation channel has been used in land consolidation project in the past days.But this channel has some shortcomings,such as large scaleof land occupation,many construction process,and easy to be damaged.Making technology,assembly processes and specific practices in impervious channel lining of assembly type U-drainage are introduced in this paper.It is regarded that this technology has many advantages,such as saving water,leakage prevention and little land occupation.It is worth to promote in fields standardization.