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水泥基压电传感系统在混凝土结构动态监测中的应用

, PP. 111-118

Keywords: 水泥基,压电传感系统,混凝土结构,性能监测,试验

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Abstract:

文中在新型水泥基压电传感器的基础上开发了一套水泥基压电传感系统,该系统由水泥基压电传感器、专门开发的小型电荷放大器、多通道数据采集仪和监测软件组成。该水泥基压电传感系统具有与混凝土的兼容性好,耐久性好,成本低廉等优点。将该系统应用到短柱模型和框架结构模型的动态响应测试中。试验结果表明水泥基压电传感器在埋入混凝土构件后其频响特性和输入输出的线性关系不变,而且由其构成的传感系统还能够准确获得结构在简谐及地震地面运动下的内力。水泥基压电传感系统可用于混凝土结构的动态监测。

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