大跨度预应力混凝土连续梁桥施工监控技术

Construction Monitoring and Control Techniques for a Large Span Prestressed Concrete Continuous Girder Bridge

施工监控是施工技术的重要组成部分,并始终贯穿于桥梁施工过程中。介绍了京杭运河特大桥主桥悬臂施工监控的关键技术,论述了施工监控的目的与内容,阐明了线形控制及应力监测的技术要求、措施以及合龙技术等。

The construction monitoring and control is a very important part of construction techniques.First,some key monitoring and control techniques on main span cantilever construction of The Grand Canal Bridge are introduced.Then, the goals and contents are described.At last, alignment control requirements and measures, stress monitoring requirements and measures, closure techniques are analysed.