Tower crane foundation based on bonded pre-stressed concrete and construction method thereof

The invention relates to the technical field of tower crane foundations and discloses a tower crane foundation based on bonded pre-stressed concrete and a construction method thereof. The foundation comprises a cable tower bearing platform which is designed into a permanent existing structure, a tower crane foundation which is integrally poured with the cable tower bearing platform, and a pre-stressed steel bar layer which is used for connecting the tower crane foundation and the cable tower bearing platform; the pre-stressed steel bar layer is positioned inside the upper half section of the tower crane foundation and comprises a group of pre-stressed steel bars which are horizontally arranged in parallel and arranged at intervals; a corrugated pipe is embedded in the cable tower bearing platform and the tower crane foundation, one end of the corrugated pipe is positioned on the outer vertical surface of the tower crane foundation, the other end of the corrugated pipe horizontally penetrates through the tower