Static monitoring technology of temporary railway bridge across deep pit at Ningbo station

Temporary railway bridge structure across the deep pit in Ningbo south station is initiative in China.When excavating the deep pit under the temporary railway bridge,it is important to make sure the absolute safe and smooth of coastal railway train.According to the engineering field and structure features,the bridge static monitoring of the concrete implementing scheme,data analysis and processing mode were formulated,and the bridge deformation rule was studied,meanwhole,the timely monitoring and analysis for deep foundation pit was provided,more over,the guidance for safety and information construction of deep foundation pit,protection for safe operation of railway bridge were bwlt.It has certain guidance and reference for future similar bridge construction monitoring.