Construction method of latticed column supporting system applied to construction of plank road bridge

The invention relates to the technical field of supporting systems, and discloses a construction method of a latticed column supporting system applied to trestle road and bridge construction, the arrangement positions of a plurality of vertical uprights are positioned in a construction site, the lower parts of the plurality of vertical uprights are embedded and fixed in a rock layer, a plurality of cross rods are arranged in the transverse direction, the cross rods and the vertical uprights are connected to form connection positions, and the latticed column supporting system is constructed. A plurality of longitudinal vertical rods are arranged to penetrate through the multiple connecting positions and are connected with the vertical vertical rods and the transverse rods correspondingly, and the multiple vertical vertical rods, the longitudinal vertical rods and the transverse rods form a latticed column supporting system; a plurality of vertical upright rods, longitudinal upright rods and transverse rods are