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dc.contributor.authorHuangen_US
dc.contributor.authorAn-Binen_US
dc.contributor.authorHoen_US
dc.contributor.authorYen-Teen_US
dc.date.accessioned2014-12-16T06:14:29Z-
dc.date.available2014-12-16T06:14:29Z-
dc.date.issued2008-06-17en_US
dc.identifier.govdocG01B005/00zh_TW
dc.identifier.govdocG01B007/16zh_TW
dc.identifier.govdocG01L001/00zh_TW
dc.identifier.govdocG01N003/00zh_TW
dc.identifier.govdocG01N033/24zh_TW
dc.identifier.govdocG01J001/04zh_TW
dc.identifier.govdocG01J001/42zh_TW
dc.identifier.govdocG01J005/08zh_TW
dc.identifier.urihttp://hdl.handle.net/11536/104767-
dc.description.abstractThe invention provides a monitoring device mainly for sensing ground displacement, including the fiber Bragg grating sensored deflectometer and the signal interrogator/computer system. The device uses a segmented design that consists of a flexible tube (referred to as the flexible segment) and two rigid segments and thus referred to as the double hinged FBG segmented deflectometer (DH-FBG-SD). For field installation, multiple DH-FBG-SD units are connected together to form a string as it is inserted into a grouted-in-place inclinometer casing. The distortion of the inclinometer casing induced by ground movement causes relative rotation of the inserted DH-FBG-SD. All of the DH-FBG-SD units are connected to an FBG interrogator/computer system situated on ground surface. The FBG signals are recorded and analyzed by the interrogator/computer system.zh_TW
dc.language.isozh_TWen_US
dc.titleFiber Bragg grating sensored segmented deflectometer for ground displacement monitoringzh_TW
dc.typePatentsen_US
dc.citation.patentcountryUSAzh_TW
dc.citation.patentnumber07388190zh_TW
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