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光纤Bragg光栅在隧道健康诊断中的应用 被引量:1

Application of Fiber-optic Bragg Grating in Test Tunnel Geological Disaster
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摘要 介绍了光纤Bragg光栅传感的原理及其应变标定试验情况,并结合其在云南小磨高速公路九龙隧道的左线K6+130~+302段的实际应用情况,与钢弦式表面应变仪的测量结果进行了对比分析。结果表明,光纤Bragg光栅应变传感器不仅适用于工程监测,而且在实际应用中具有明显的优越性。 The principles of fiber-optic bragg grating (FBG) sensors and situation of strain demarcate test are introduced. According to the practice application in project of Yunnan Xiaomo Expressway tunnel left line K6+130~+302 paragraph, comparison analysis is made to the test result of steel wire surface strain sensor. Result shows that FBG sensor applied in the construction monitoring, there is obvious superiority.
出处 《工程质量》 2009年第12期11-13,共3页 Construction Quality
基金 云南省学术与技术带头人培养项目(2003RC12) 光电信息技术科学教育部重点实验室(南开大学 天津大学)2005年度开放课题(2005-26)资助项目
关键词 光纤BRAGG光栅 传感器 隧道 应变 fiber-optic bragg grating sensor tunnel strain
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