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仙游木兰溪大桥吊杆损伤声发射监测

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Indexed by: Journal Article

Date of Publication: 2014-09-25

Journal: 福建建设科技

Issue: 5

Page Number: 21-24

ISSN: 1006-3943

Key Words: 拱桥吊杆;损伤;无损检测;声发射技术

Abstract: 常规无损检测方法不能动态监测吊杆损伤程度,而采用声发射技术可监测吊杆的动态损伤.对福建仙游木兰溪大桥的吊杆进行了声发射在线监测,结果表明声发射信号计数、能量、幅值随时间实时变化图能直观显示吊杆的损伤程度.根据分析结果,相较于其它吊杆次短吊杆的损伤最为严重,这与实际情况非常吻合.

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