Integrated supporting system of concrete drainage open trench cast-in-place formwork

The utility model discloses an integrated supporting system of a concrete drainage open trench cast-in-place formwork, solves the problem of how to conveniently construct a concrete pouring formwork supporting system of a drainage open trench, and belongs to the technical field of formworks for civil construction. The clamping frame is a same horizontal rod piece and is an integral frame; the method comprises the following steps of: firstly, respectively mounting inner and outer side vertical face pouring templates of two pre-poured ditch walls on a concrete cushion layer poured at the bottom in a groove, and respectively mounting inner supporting rods consistent with the section width of the ditch walls at the bottom and the upper part between the inner and outer templates of the ditch walls; the top ends of the prefabricated'II and II 'shapes are inserted into the clamping frames and are inserted into the top ends and the two sides of the two groups of ditch wall inner and outer side facade pouring template