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用FBG传感器监测框架-剪力墙结构裂缝

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2010-10-15

Journal: 振动、测试与诊断

Included Journals: Scopus、CSCD、PKU、EI

Volume: 30

Issue: 5

Page Number: 496-499

ISSN: 1004-6801

Key Words: 光纤光栅;传感器;裂缝;结构;监测

Abstract: 在结构健康监测中,为了判断混凝土结构是否开裂,开发了基于光纤布拉格光栅(fiber bragg grating,简称FBG)的应变传感器.在钢筋混凝土框架-剪力墙结构模型的振动台破坏试验中应用该传感器进行监测.试验表明,应用FBG应变传感器可直观且准确地监测到结构局部钢筋的应变变化.据此推算出构件表面的混凝土拉应变,在与混凝土的极限拉应变比较后,可较准确地判断结构是否开裂.

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