FBG传感器在隧道离心模型试验中的应用

来源 :第六届地质(岩土)工程光电传感监测国际论坛 | 被引量 : 0次 | 上传用户：mikelau1

【摘要】

：

光栅光纤(FBG)传感器具有抗电磁干扰能力强、精度高等特点,将FBG传感器用于深厚黄土湿陷对地铁隧道结构影响离心模型试验的应变监测中.采用刻槽固定、粘贴封装的保护措施,构建基于离心机的FBG传感器数据采集系统,通过相应的温度补偿措施,测得隧道结构的应变值,得到不同工况下隧道结构的弯矩值变化规律.测试数据相比于传统电阻式应变传感器更为稳定,说明FBG传感器用于离心模型试验应变监测是可行的.试验结果表

【作者】

：

董岳林刘曦范磊李豪

【机构】

：

长安大学特殊地区公路工程教育部重点实验室,陕西西安710064

【出处】

：

第六届地质(岩土)工程光电传感监测国际论坛

【发表日期】

：

2017年3期

【关键词】

：

地铁隧道黄土湿陷离心模型试验应变监测光栅光纤传感器

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FBG传感器在隧道离心模型试验中的应用

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