Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/80116
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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorRan L-
dc.creatorYe XW-
dc.creatorZhu, HH-
dc.date.accessioned2018-12-21T07:14:58Z-
dc.date.available2018-12-21T07:14:58Z-
dc.identifier.urihttp://hdl.handle.net/10397/80116-
dc.description12th East Asia-Pacific Conference on Structural Engineering and Construction, EASEC12, Hong Kong, 26-28 January 2011en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.rights© 2011 Published by Elsevier Ltd. Open access under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/3.0/)en_US
dc.rightsThe following publication Ran, L., Ye, X. W., & Zhu, H. H. (2011). Long-term monitoring and safety evaluation of a metro station during deep excavation. Procedia engineering, 2011, 14, 785-792 is available at https://dx.doi.org/10.1016/j.proeng.2011.07.099en_US
dc.titleLong-term monitoring and safety evaluation of a metro station during deep excavationen_US
dc.typeConference Paperen_US
dc.identifier.spage785-
dc.identifier.epage792-
dc.identifier.volume14-
dc.identifier.doi10.1016/j.proeng.2011.07.099-
dcterms.abstractThe subway systems play a vital role in alleviating the urban traffic congestion problem. Recently, lots of underground railway transportation networks have been opened to operation or are being constructed in major cities of China. Due to the complexity and uncertainty inherent in excavation activities, metro station excavations brings a challenge to civil engineering communities and poses threat to the public safety in metropolitan regions. The stability of deep excavation and adjacent buildings has gained highlighted concerns during metro station construction. A viable and practical way to ensure the construction safety is by executing real-time monitoring strategy with the aid of advanced sensing and signal processing technologies. In this paper, the design and implementation of a long-term monitoring and safety evaluation system for the deep excavation of a metro station has been addressed. A software platform has been developed for analyzing and processing monitoring data based on the concept of dynamic construction inverse analysis, which includes the database system, the dynamic construction feedback system, and the deformation forecasting system. Field monitoring results in various categories during deep excavation are presented. After examining the field measurement results, the following conclusions are drawn: (i) the deformation of the diaphragm wall and ground surface settlements increased with the excavation depth; (ii) the location of the maximum horizontal displacement moved downward to the excavation face during excavation; (iii) the axial forces of struts transferred from the first row to the others during excavation; and (iv) the monitoring results indicate that the braced excavation remained overall stable at the construction stage.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationProcedia engineering, 2011, v. 14, p. 785-792-
dcterms.isPartOfProcedia engineering-
dcterms.issued2011-
dc.identifier.scopus2-s2.0-80054778691-
dc.relation.conferenceEast Asia-Pacific Conference on Structural Engineering and Construction [EASEC]-
dc.identifier.eissn1877-7058-
dc.description.validate201812 bcrc-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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