A health monitoring system for long span prestressed concrete box-girder Bridges was designed to solve bridge safety problems related to structural cracks and excessive deflection.

为了解决大跨度预应力混凝土箱梁桥出现的严重的安全问题(如结构性开裂和不正常的过度下挠等)，设计和构建了该类箱梁桥的结构健康监测系统。

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The real time monitoring for residual strain induced by resin cure during the RTM process was realized by measuring the relationship among wave deflection, temperature and curing time.

通过光纤光栅波长偏移与温度和固化时间之间的关系测试，得到了树脂固化过程中残余应变的变化历程，成功实现了RTM工艺树脂固化过程中残余应变的在线监测。

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