Method for longitudinal tying between pipelines for pipe jacking construction

The invention discloses an inter-pipeline longitudinal tying method for pipe-jacking construction, which comprises the following steps of: S1, pre-burying an annular steel plate in a reinforced concrete pipe during prefabrication in a factory; s2, after the strength of the reinforced concrete pipe reaches the requirement after curing, the reinforced concrete pipe is transported to a construction site, and during construction, one end of a socket of the reinforced concrete pipe is sleeved with a rubber ring and hoisted into a working well; s3, in the pipe jacking process, the reinforced concrete pipe just hoisted into the well is connected with the previous section of reinforced concrete pipe, jacking force is applied, and after the pipes are tightly jacked, the jacking force is kept unchanged, and the annular steel plate pre-buried between the two pipes is welded and fixed; and S4, after welding is completed, the jacking force continues to be kept unchanged, after a welding seam is cooled, the jacking force i