Weighing Method for Self Weight of 70-m Span Box Girders of Hangzhou Bay Sea-Crossing Bridge

This paper describes the weighing method and results of self weight of 70-m span box girders of Hangzhou Bay Sea-Crossing Bridge and proposes a way that can precisely measure the self weight of the 70-m span box girders,making use of the equipment at the construction site.With the way in question,the input of equipment is a little and the weighing results are correct.