本文翻译:Cast-in-situ box girder in construction process mainly adopts full framing, door timbering, steel tube column method such as construction, in the foundation of poor geological conditions, construction especially in construction of the water, full framing, door timbering existence foundation treatment, foundation construction problems such as complex can't, choose steel tube column method is more suitable; To determine the actual working condition and stress state of stents, evaluation of stents can be put into use normally, detail support steel tube column during the process of static load experiment