MODEL TEST ON THE ARCH-GIRDER HOLDING REGION OF HALF-THROUGH CONTINUOUS BEAM-ARCH COMBINATION BRIDGE

Zhao Jingang; Zhan Yulin; Zhao Renda; Zhao Xungang

doi:10.13204/j.gyjz201307028

Volume 43 Issue 7

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(7): 125-129,100

Zhao Jingang, Zhan Yulin, Zhao Renda, Zhao Xungang. MODEL TEST ON THE ARCH-GIRDER HOLDING REGION OF HALF-THROUGH CONTINUOUS BEAM-ARCH COMBINATION BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(7): 125-129,100. doi: 10.13204/j.gyjz201307028

Citation:

Zhao Jingang, Zhan Yulin, Zhao Renda, Zhao Xungang. MODEL TEST ON THE ARCH-GIRDER HOLDING REGION OF HALF-THROUGH CONTINUOUS BEAM-ARCH COMBINATION BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(7): 125-129,100. doi: 10.13204/j.gyjz201307028

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MODEL TEST ON THE ARCH-GIRDER HOLDING REGION OF HALF-THROUGH CONTINUOUS BEAM-ARCH COMBINATION BRIDGE

doi: 10.13204/j.gyjz201307028

1.
1. School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;
2.
2. Bridge Science Research Institute Company Limited,China Railway Major Bridge Engineering Group,Wuhan 430034,China

Received Date: 2012-04-09
Publish Date: 2013-07-20

Abstract

Abstract

For the arch-girder holding region of the half-through continuous beam-arch combination bridge, the structure and force are complicated.Investigations of force transmission and stress distribution of the arch-girder consolidation zone were carried out by finite element method and a model test based on a high-speed railway bridge, and a 1∶4 model was tested.The principle of model scale, the determination of load system and the arrangement of the measuring were briefly introuduced.The finite element and experimental analyses indicate that the cross beam can result in lead the arch rib out-of-plane bending, and let the arch rib filled concrete and web plate stress of the cross beam side be greater than that of the other side without cross beam;and the stress concentration occur at the connection of the beam and arch rib, as well as the girder and arch rib connection.The arch-girder holding zone stress is low, the structure behaves almost elastic state.The force transmission and stress distribution for the structure are reasonable, which can meet the requirement of carrying capacity.
- arch-girder holding,
- model test,
- simulation analysis,
- continuous beam-arch combination bridge

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References(11)

References

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