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Experimental study on partial-combination method in continuous composite girder

 Experimental study on partial-combination method in continuous composite girder
Auteur(s): , , , ,
Présenté pendant IABSE Congress: Resilient technologies for sustainable infrastructure, Christchurch, New Zealand, 3-5 February 2021, publié dans , pp. 302-310
DOI: 10.2749/christchurch.2021.0302
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Cracking of concrete slab in the negative bending moment region of continuous composite girders is a key problem which needs to be solved in the design of continuous composite girder bridges. The m...
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Détails bibliographiques

Auteur(s): (Tongji University, Shanghai, China)
(Tongji University, Shanghai, China)
(Jiangxi Provincial Expressway Investment Group Co. Ltd, Nanchang, China)
(Jiangxi Provincial Expressway Investment Group Co. Ltd, Nanchang, China)
(Jiangxi Provincial Expressway Investment Group Co. Ltd, Nanchang, China)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Congress: Resilient technologies for sustainable infrastructure, Christchurch, New Zealand, 3-5 February 2021
Publié dans:
Page(s): 302-310 Nombre total de pages (du PDF): 9
Page(s): 302-310
Nombre total de pages (du PDF): 9
DOI: 10.2749/christchurch.2021.0302
Abstrait:

Cracking of concrete slab in the negative bending moment region of continuous composite girders is a key problem which needs to be solved in the design of continuous composite girder bridges. The main reason of concrete cracking in the negative bending moment region of continuous composite girder is tensile stress under the effects of temperature and load in the portion of integration. The paper gives the method of partial-combination to connect steel girder with concrete slab, that is, a rubber sleeve is placed on the stud of the negative bending moment region to increase the slip between the concrete slab and the steel girder at the joint. Two specimens of negative bending moment region are designed to observe the mechanical properties in the negative bending moment region of composite girders when using the method of partial-combination. The advantages and disadvantages of the partial-combination method are analysed.