In order to ensure the safe construction of the special steel bridge for the Hongshuihe Reservoir,based on the geological conditions of the project area,the key construction technology analysis of the steel bridge was carried out first,and then the construction effect of the steel bridge was evaluated through deformation prediction analysis combined with the Deformation monitoring results of the bridge.The analysis results indicate that the construction difficulty of the dedicated steel bridge for the Honghonghe Reservoir is relatively high,and its key construction technologies mainly include tire frame assembly technology,steel beam transportation technology,pier protection technology,steel beam lifting technology,and steel beam construction technology;At the same time,in the evaluation results of the steel bridge construction effect,the deformation value of the steel bridge during the monitoring period was between 7.56 mm and 9.22 mm,and the cumulative deformation value predicted afterwards was between 7.79 mm and 9.75 mm,both of which were less than the control value of the steel bridge deformation(15 mm).This indicates that the bridge beam construction during the monitoring period and a certain period thereafter is reasonable and effective,and provides reference for similar projects.
关键词
钢桥/关键施工技术/变形预测/效果评价
Key words
steel bridge/key construction techniques/deformation prediction/impact assessment
维普
万方数据