Irrigation canal and construction method thereof

The invention relates to the field of irrigation and water conservancy, in particular to an irrigation canal and a construction method thereof.The irrigation canal comprises a canal body, a rotating hole is formed in one end of the canal body, a clamping hole is formed in the other end of the canal body, a clamping rib is rotationally arranged in the rotating hole, and a plurality of abutting ribs are arranged on the clamping rib; the ends of the clamping ribs are used for being inserted into the clamping holes of the adjacent channel bodies, the adjacent abutting ribs are used for being connected to the inner walls of the clamping holes and the side walls of the ends of the adjacent channel bodies in a clamped mode, and the adjacent abutting ribs are further used for being connected to the inner walls of the rotating holes and the side walls of the ends of the channel bodies in a clamped mode so that the adjacent channel bodies can be connected in a clamped mode. The construction method has the effect of inc