Large water pipe capable of being disassembled in sections

The utility model relates to the technical field of water conservancy facilities, in particular to a large water pipe capable of being disassembled in a segmented mode, which is provided with a single pipe body, and the head and the tail of the single pipe body are connected through a connecting assembly. The connecting assembly comprises a sealing spacer bush, a corrugated pipe, a positioning pipe and a hoop; the section of the positioning pipe is designed to be of a hollow cylindrical structure, the two ends of the positioning pipe are communicated with the corrugated pipes respectively, the ends of the corrugated pipes are connected with the sealing spacer bushes, and the sealing spacer bushes are arranged on the rear outer walls of the ends of the single pipe body in a sleeving mode and are surrounded and fixed through the hoops. According to the large water pipe capable of being disassembled in the segmented mode, part of damaged parts of the water pipe can be independently replaced and maintained accord