大跨度斜拉桥全寿命安全监测系统设计

Whole life safety monitoring system design of long-span cable-stayed bridge

依托沌口长江公路大桥主桥,在总结分析以往桥梁健康监测技术的基础上,将桥梁施工监控及运营期健康监测在硬件(传感器类型及布置)、软件、传输方式及数据方面进行融合,形成沌口大桥全寿命安全监测系统,该系统综合了施工监控及运营监测,从顶层进行设计,大大节约了成本;运营的基准状态不再以设计成桥为基础,直接以施工最终状态为起始条件,能够显著地提高系统安全评估的精度。沌口大桥全寿命安全监测系统的设计对类似工程具有一定的指导意义。

Relying on the main bridge of Zhuankou Changjiang River Highway Bridge and on the basis of analyzing theprevious bridge health monitoring technology,we fused the construction monitoring and the health monitoring in hardware(sensor types and layout),software,transmission mode and data to make the whole life safety monitoring system of the bridge.This system combines the monitoring of construction and operation,from the top to carry on the design,greatly save the cost.This reference state of the operation is no longer based on the design of the bridge,directly to the final state of constructioncondition,can significantly improve the precision of the system safety assessment.The whole life safety monitoring system hascertain guiding significance to the similar projects.