光纤光栅传感器在建筑结构加固检测中的应用研究

来源 :土木工程学报 | 被引量 : 32次 | 上传用户:wubin811030
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针对结构加固检测的问题 ,提出了采用光纤光栅传感技术进行结构加固过程中应变监测的新方案 ,分析了光纤光栅传感器的传感原理 ,研制出相应的实验系统 ,并通过对 15 0mm× 15 0mm× 12 0 0mm包钢加固混凝土柱进行加载破坏性试验 ,与常规的电检测技术进行了对比实验。实验结果表明 :光纤光栅传感器比电检测系统具有更高量级的精度 ,能绝对数值测量 ,抗干扰能力强 ,结构简单 ,长期稳定性高 ,很好地实现对建筑结构的实时、在线监测。该技术在土木工程界具有广泛的应用前景。
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