Steel suspension box side plate and base plate connection device without top seal concrete and construction method thereof

The invention relates to the technical field of steel suspension boxes, in particular to a steel suspension box side plate and base plate connection device without top seal concrete and a constructionmethod thereof. The steel suspension box side plate and base plate connection device is characterized by comprising a base plate 11, supporting beams 10 and limiting grooves. The base plate 11 is installed on the supporting beams 10 with L-shaped rabbets 9 in end portions. Each L-shaped rabbet 9 is provided with one limiting groove. A side plate structure is installed on the limiting grooves in aconnected manner. According to the construction method of the steel suspension box side plate and base plate connection device without top seal concrete, construction is carried out according to a site construction drawing. The steel suspension box side plate and base plate connection device without top seal concrete and the construction method thereof have the characteristics that the concrete needed for bottom sealing o