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中文摘要：
本文以江阴大桥结构健康监测系统升级改造工程为研究背景，在对江阴大桥结构受力特点进行简要分析的基础上，从大跨桥梁结构健康监测的监测思想、测点布置、测试技术的应用等方面，对江阴大桥原安全监测系统及存在的主要问题进行了分析研究。并从项目选择、传感器的布设、网络结构、数据采集、监测运行模式、数据存储、应用软件设计等方面对江阴大桥原结构安全监测系统进行了比较详细的设计分析与反思。为升级改造工程设计与实施提供了依据。
英文摘要：
The paper is based on the upgrading and modifying project for the SHM （ Structural Health Monitoring ） system of the Jiangyin Bridge. After a suceinet analysis of mechanical performanee for the Jiangyin Bridge, the main problems existed in its original SHM system were investigated in the aspects of monitoring eoneept , transducer arrangement and application of testing techniques. The design analysis and reflection was then made for the original SHM system of the Jiangyin Bridge in many ways such as item selection, transducer arrangement, network structure, data acquisition, monitoring mode, data storage, and design of application software etc.
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