Design and Result Analysis of Safety Monitoring for Large Span and Variable Cross Section Steel Box Girders Managed Bridge
This paper studies and analyzes the stress-strain,vertical deflection and stress-strain monitoring results of the trusteeship bridge body with the largest diameter of the water pipeline laid on the deck of the variable cross-section continuous steel box girder bridge with the largest single span in China.The stress of the steel plate on the upper and lower surfaces of the steel box girder is negatively correlated with the ambient temperature and positively correlated with the magnitude of the water load;the vertical deflection of the bridge body is positively correlated with the water flow load,and the deformation during operation is smaller than that during the first water flow;the stress distribution of the steel plate in the water pipeline is generally the highest at the bottom,followed by the left and right pipe waists,and the lowest at the top.
large span steel box girdermanaged bridgesafety monitoringresult analysis
NETL
NSTL
万方数据
维普
