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光纤光栅传感器的应用及其技术革新.docx

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光纤光栅传感器的应用及其技术革新

目录

一、内容综述...............................................4

1.1光纤光栅传感器概述.....................................5

1.2光纤光栅传感器发展历程.................................6

1.3光纤光栅传感器的优势与挑战.............................8

二、光纤光栅传感器原理.....................................9

2.1光纤光栅基本原理......................................10

2.2压力传感原理..........................................14

2.3温度传感原理..........................................14

2.4应变传感原理..........................................15

三、光纤光栅传感器技术分类................................17

3.1依传感功能分类........................................20

3.1.1压力型光纤光栅......................................21

3.1.2温度型光纤光栅......................................22

3.1.3应变型光纤光栅......................................23

3.1.4多参数型光纤光栅....................................24

3.2依结构形式分类........................................25

3.2.1外贴式光纤光栅......................................28

3.2.2埋入式光纤光栅......................................29

3.2.3绕制式光纤光栅......................................31

3.2.4拉线式光纤光栅......................................32

四、光纤光栅传感器的应用领域..............................33

4.1桥梁结构健康监测......................................34

4.1.1应力应变监测........................................37

4.1.2温度监测............................................38

4.1.3疲劳损伤监测........................................39

4.2大坝安全监测..........................................41

4.2.1渗流监测............................................42

4.2.2应力应变监测........................................44

4.2.3地震监测............................................46

4.3铁路轨道监测..........................................47

4.3.1轨道变形监测........................................48

4.3.2轨道应力应变监测....................................49

4.3.3轨道腐蚀监测........................................50

4.4化工管道监测..........................................52

4.4.1温度监测............................................54

4.4.2压力监测............................................55

4.4.3漏液监测................................

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