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Bending Mechanical Properties of Composite Bridge Deck with Bulb Flat Ribs

 Bending Mechanical Properties of Composite Bridge Deck with Bulb Flat Ribs
Autor(en): , ,
Beitrag für IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018, veröffentlicht in , S. S2-33
DOI: 10.2749/nantes.2018.s2-33
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Steel-concrete composite bridge deck combines the advantages of both steel deck and concrete deck. This paper proposes a new type of composite bridge deck with bulb flat ribs. Bulb flat is widely u...
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Bibliografische Angaben

Autor(en): (Tongji University, Shanghai, China)
(Tongji University, Shanghai, China)
(Tongji University, Shanghai, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018
Veröffentlicht in:
Seite(n): S2-33 Anzahl der Seiten (im PDF): 7
Seite(n): S2-33
Anzahl der Seiten (im PDF): 7
DOI: 10.2749/nantes.2018.s2-33
Abstrakt:

Steel-concrete composite bridge deck combines the advantages of both steel deck and concrete deck. This paper proposes a new type of composite bridge deck with bulb flat ribs. Bulb flat is widely used as a stiffener of the plate in ship and bridge constructions. But it is rarely mentioned in current study of composite deck. For that vacancy, two full-scale specimens were fabricated and tested in this paper to study the bending mechanical properties of composite deck with bulb flat ribs. By a static loading test, the experiment investigated the failure characteristics, deflection, slip, strains and crack width. The results indicate a good combination of steel and concrete, for no obvious slip or delamination was observed. And the strain distribution obeys plane cross-section assumption. The mechanical response features an elastic-plastic performance. The test proves that composite bridge deck with bulb flat ribs has a good ductility and a high bending bearing capacity.