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Construction monitoring and control for Jiaomen River arch bridge in Guangzhou

 Construction monitoring and control for Jiaomen River arch bridge in Guangzhou
Autor(en): , , ,
Beitrag für IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017, veröffentlicht in , S. 2675-2682
DOI: 10.2749/vancouver.2017.2675
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For novel arch rib, it is difficult to control the accuracy of the segments and whole bridge, especially for special shape bridge. It is also hard to balance the maximum lateral displacement (MLD) ...
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Bibliografische Angaben

Autor(en): (South China University of Technology, Guangzhou, Guangdong, China)
(South China University of Technology, Guangzhou, Guangdong, China)
(South China University of Technology, Guangzhou, Guangdong, China)
(South China University of Technology, Guangzhou, Guangdong, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017
Veröffentlicht in:
Seite(n): 2675-2682 Anzahl der Seiten (im PDF): 8
Seite(n): 2675-2682
Anzahl der Seiten (im PDF): 8
Jahr: 2017
DOI: 10.2749/vancouver.2017.2675
Abstrakt:

For novel arch rib, it is difficult to control the accuracy of the segments and whole bridge, especially for special shape bridge. It is also hard to balance the maximum lateral displacement (MLD) of arch rib and the maximum axis force (MAF) of jigs when removing temporary supports at high altitude. To address these issues, firstly, the derrick arch bridge with a total span of 231 meters is taken as the research object. Following the establishment of the finite element (FE) model of the bridge, an innovative criterion is proposed to consider both axis position and inclination angle, in which the error during the closure stage of the bridge is controlled availably. Secondly, among three potential plans modeled with FE model, one was chosen to remove the jigs, which effectively reducing the MAF and the MLD. Finally, the field monitor tests were proofread with FE model results to ensure the reasonable state of the bridge.

Stichwörter:
Monitoring

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