Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/82306
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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorDing, S-
dc.creatorWang, YW-
dc.creatorNi, YQ-
dc.creatorHan, BG-
dc.date.accessioned2020-05-05T05:59:30Z-
dc.date.available2020-05-05T05:59:30Z-
dc.identifier.issn0964-1726-
dc.identifier.urihttp://hdl.handle.net/10397/82306-
dc.language.isoenen_US
dc.publisherInstitute of Physics Publishingen_US
dc.rights© 2020 The Author(s)en_US
dc.rightsOriginal content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence (https://creativecommons.org/licenses/by/4.0/). Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.en_US
dc.rightsThe following publication Siqi Ding et al 2020 Smart Mater. Struct. 29 055013 is available at https://dx.doi.org/10.1088/1361-665X/ab79b9en_US
dc.subjectSelf-sensingen_US
dc.subjectCementen_US
dc.subjectSensoren_US
dc.subjectCarbon nanotubeen_US
dc.subjectModal identificationen_US
dc.subjectStructural health monitoringen_US
dc.titleStructural modal identification and health monitoring of building structures using self-sensing cementitious compositesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage18-
dc.identifier.volume29-
dc.identifier.issue5-
dc.identifier.doi10.1088/1361-665X/ab79b9-
dcterms.abstractRecently self-sensing cementitious composite has demonstrated its strong potentiality for structural health monitoring of civil infrastructures because of its low-cost, long-term stability and compatibility with concrete structures. In this paper, we propose novel hybrid nanocarbon materials engineered cement-based sensors (HNCSs) with high-sensitivity, which are fabricated with self-sensing cementitious composites containing electrostatic self-assembled CNT/NCB composite fillers. The mechanical property and sensing performance of the HNCSs are pre-characterized under static and dynamic compressive loadings. The HNCSs are then integrated into a five-story building model via custom-made clamps to verify the feasibility for dynamic response measurements. Results show that the developed sensors have satisfactory mechanical property and excellent pressure-sensitive reproducibility and stability. With clamps holding on the building model, the HNCSs perform satisfactorily under sinusoidal excitations in the frequency range from 2 to 40 Hz. In addition, the modal frequencies and their changes of the building model caused by 'damage' simulated through adding additional masses identified by the HNCSs are favorably consistent with the counterparts acquired by accelerometers and strain gauges, indicating that the developed HNCSs have great potential for structural modal identification and damage detection applications.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationSmart materials and structures, May 2020, v. 29, no. 5, 055013, p. 1-18-
dcterms.isPartOfSmart materials and structures-
dcterms.issued2020-05-
dc.identifier.isiWOS:000523408300001-
dc.identifier.scopus2-s2.0-85083174907-
dc.identifier.eissn1361-665X-
dc.identifier.artn55013-
dc.description.validate202006 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumbera0709-n14, OA_Scopus/WOSen_US
dc.identifier.SubFormID1092-
dc.description.fundingSourceRGC-
dc.description.fundingSourceOthers-
dc.description.fundingTextRGC: T22-502/18-R-
dc.description.fundingTextOthers: P0000125, K-BBY1-
dc.description.pubStatusPublisheden_US
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