CHALLENGES IN STRUCTURAL HEALTH MONITORING 22 US-JAPAN BRIDGE ENGINEERING WORKSHOP SEATTLE, WASHINGTON
CHALLENGES IN STRUCTURAL HEALTH MONITORING 22 US-JAPAN BRIDGE ENGINEERING WORKSHOP SEATTLE, WASHINGTON
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发表时间：
2006
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通讯作者：
M. Lwin
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作者：
M. Lwin
为了监测结构的短期和长期性能，已在多座公路桥梁上成功地开展了现场监测结构健康监测工作。适当设计和合理放置的仪器可以帮助收集有关结构的状况、应力和应变、挠度、温度梯度以及与时间相关的特性(如蠕变和收缩)的有价值的数据。这些数据可用于验证设计假设、进行修改、改进未来的设计、评估桥梁的总体健康状况，并为桥梁管理系统提供有价值的信息，以便做出有关保存决策的决策。结构健康监测面临的挑战是寻找高性价比和可靠的传感器来远程、连续地监测主要桥梁的状态。
Structural health monitoring through field instrumentation has been carried out successfully on many highway bridges to monitor the short-term and long-term performance of structures. Properly designed and strategically placed instruments can help collect valuable data regarding the condition, the stress and strain, deflection, temperature gradients, and the time-dependent properties, such as creep and shrinkage in a structure. The data may be used to verify the design assumptions, to make modifications, to improve on future designs, to assess the general health of bridges, and to provide valuable information for a bridge management system for making decisions regarding preservation decisions. The challenges in structural health monitoring are in finding cost-effective and reliable sensors to remotely and continuously monitor the conditions of major bridges.