Construction method for single-face formwork erecting of concrete supporting structure

The invention relates to the technical field of enclosing purlin structure single-face formwork erecting construction, and discloses a concrete supporting structure single-face formwork erecting construction method.The concrete supporting structure single-face formwork erecting construction method comprises a cast-in-place pile, a plurality of expansion screws are fixedly installed on one side of the cast-in-place pile, an opposite-pull screw is fixedly installed at one end of each expansion screw, and an enclosing purlin formwork is fixedly installed on the outer wall of each opposite-pull screw; a plurality of mounting holes are formed in one side of the enclosing purlin template, the enclosing purlin template is connected with the opposite-pull screw rod through the mounting holes, a secondary ridge is mounted on one side of the enclosing purlin template, and a main ridge is mounted on one side of the secondary ridge; the enclosing purlin formwork is installed through the bent expansion screws and the oppo