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Brief Research on Arch Hinge of Leaning Concrete Filled Steel Tube Arch by Contact Problem under Local Stress

 Brief Research on Arch Hinge of Leaning Concrete Filled Steel Tube Arch by Contact Problem under Local Stress
Autor(en): , , ,
Beitrag für IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015, veröffentlicht in , S. 260-261
DOI: 10.2749/222137815815774917
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Leaning concrete-filled steel tube arch is preferable for city bridge because of its wide bridge decking, elegant appearance and reasonable loads transfer. For such bridge, the arch hinge of main a...
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Bibliografische Angaben

Autor(en):



Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015
Veröffentlicht in:
Seite(n): 260-261 Anzahl der Seiten (im PDF): 8
Seite(n): 260-261
Anzahl der Seiten (im PDF): 8
Jahr: 2015
DOI: 10.2749/222137815815774917
Abstrakt:

Leaning concrete-filled steel tube arch is preferable for city bridge because of its wide bridge decking, elegant appearance and reasonable loads transfer. For such bridge, the arch hinge of main arch with special local structure and complex force situation was a critical configuration, it was necessary to analyze the typical stress distribution of the arch hinge. And the analysis was up to contact problem. In this paper, based on the design of Guiyang Road Twelve Nanming Bridge, the common software ANSYS and Hertz contact theory were used to calculate the regional stress of the special arch hinge. The mechanical properties of cylindrical hinge were compared with spherical hinge under different loading condition. The results showed that the leaning concrete-filled steel tube arch should adopt the economic and reasonable cylindrical hinge, and the Hertz's solution is conservative in the analysis of this arch hinge contact problem.

Stichwörter:
Finite-Elemente-Analyse Kontaktproblem