Walking type tower crane foundation on step and construction method thereof

The invention relates to a walking type tower crane foundation on a step and a construction method of the walking type tower crane foundation on the step, and relates to the technical field of building construction.The construction method of the walking type tower crane foundation on the step comprises the steps that S1, an installation step face and a bottom installation face are determined, and a plurality of high supporting bases and a plurality of bottom supporting bases are manufactured; s2, a first connecting piece is installed on the structural column of the installation step face, and a second connecting piece is installed on the structural column of the bottom installation face; s3, a high supporting seat and a bottom supporting seat are installed, and the top of the high supporting seat and the top of the bottom supporting seat are located on the same horizontal plane; s4, sliding rails are installed, and the two sliding rails are parallel and located on the same horizontal plane; and S5, the two se