Construction method of bridge cast-in-place box beam

The invention relates to a construction method of a bridge cast-in-place box beam, belonging to the technical field of bridge construction. The construction method of a bridge cast-in-place box beam is characterized in that components are isolated from a furnace heating element by using a metal material when the components are heated in a furnace mainly based on radiation heat transmission so that the components are subjected to thermal treatment under a uniform heating condition. The construction method is simple, easy to realize, scientific and reasonable in design, convenient in operation, practical and economic; the components are uniformly heated during thermal treatment; and the construction method has the advantages of excellent quality and wide application range, and can be used for effectively improving the performance of metal materials.