Special-shaped main tower winter construction method

The invention discloses a special-shaped main tower winter construction method, a cable-stayed bridge main tower comprises a construction section, and the method comprises the following steps that formwork erecting is conducted on the construction section, a formwork of the construction section is formed, and a heat preservation body and a heating assembly are installed on the periphery of the formwork of the construction section; forming tower column sections; arranging a first temperature measuring device at the tower column section to obtain a first temperature parameter; installing a second temperature measuring device in the thermal insulation body to obtain a second temperature parameter; a micro intelligent electric boiler is used for supplying heat to the interior of the heat preservation body; and according to the first temperature parameter and the second temperature parameter, the steam curing stage of the concrete in the formwork of the construction section is controlled. By means of the first tem